ks w series substations - library.e.abb.com · ks... w series substations transformer substations...

1000 kVA1000 kVA

800 kVA800 kVA630 kVA630 kVA

KS... w series substations

Transformer substations in concreteenclosures operated from the inside

ABB

3

Table of contents

1. Subject of the paper ...................................................................................................................... 4 2. Application of the substation........................................................................................................ 4 3. Technical specifications ............................................................................................................... 4

3.1. Substation building................................................................................................................ 5 3.1.1. KS 22-30w substation building specifications: ................................................................ 6 3.1.2. KS 25-36w substation building specifications: ................................................................ 6 3.1.3 Building supplementary data: ........................................................................................... 7

3.2. Equipment arrangement......................................................................................................... 7 3.3. Substation technical specifications........................................................................................ 8

3.3.1. Standards: ......................................................................................................................... 9 3.4. Medium-voltage switchgears................................................................................................. 9 3.5. Low-voltage switchboards .................................................................................................... 9 3.6. Transformers.......................................................................................................................... 9 3.7. Medium-voltage and low-voltage cable connections .......................................................... 19 3.8. Substation earthing ............................................................................................................. 10

4. Substation assembly and foundation ......................................................................................... 10 4.1. Substation foundation trench and installation of the substation.......................................... 11

5. Environmental protection ........................................................................................................... 11 6. Warranty ..................................................................................................................................... 11 7. Documentation acceptance ......................................................................................................... 12 8. Ordering a substation.................................................................................................................. 12 9. Substation transportation and hand-over .................................................................................... 12 10. KS 22-30 w substation - standard ..........................................................................................25-26 11. KS 25-36 w substation - standard............................. ..............................................................27-28 12. KS 25-36 w substation - with medium-voltage side measurement.........................................29-30 13. 2 KS 22-30 w substation - separate medium-voltage and low-voltage compartments...........31-32 14. 2 KS 25-36 w substation - two-transformer substation ............................... ...........................33-34 15. 2 KS 25-36 w substation - separate medium-voltage and low-voltage (power distribution company and clients) compartments .............................................................................. ............ 35

List of figures (appendices)

Fig. 01. Exterior style. Fig. 02. KS 22-30 w equipment placement Fig. 03. KS 22-30 w equipment placement Fig. 04. KS 25-36 w equipment placement Fig. 05. KS 25-36 w equipment placement Fig. 06. Cable bushings Fig. 07. KS...w joinery

4

1. Subject of the paper The subject of the paper are transformer substations operated from the inside, housed in reinforced concrete enclosures: • KS 22-30 w substation .............................. with transformer of up to 630 kVA • KS 25-36 w substation .............................. with transformer of up to 630 kVA • 2 KS 22-30 w substation ...................e.g..: • separated medium-voltage and low-voltage compartments • with transformer of up to 800 kVA • 2 KS 25-36 w substation ...................e.g.: • two-transformer substation • with transformer of up to 1000 kVA The substation is made as a complete, self-contained power device. It comprises a transformer, medium-voltage and low-voltage switchgear, a measurement circuit on the medium-voltage or low-voltage sides, cables and associated equipment; it’s a ready-to-use product to be placed directly in the desired location.

number of substation buildingstype of KS in the set-up

KS Compact transformer substation

substation building dimensions (dm)

w – operated from the inside

KS - wsubstation designation

2. Application of the substation The KS...w type transformer substations are designed to provide electrical power supply to public and industrial customers from medium-voltage networks of up 20 kV, and low-voltage networks of 400/230 V in TN-C systems.

3. Technical specifications The substation, depending on the building type, is designed for the following equipment: Building KS 22-30 w (→ page 25) medium-voltage switchgear: ............ option: with SF6 insulation - SafeRing or SafePlus • up to 3 bays (24 kV) option: with air insulation - UniSwitch (compact) • up to 3 bays (24 kV) low-voltage switchboard type RNTw ...... 1250 A 6 (10) transformer ............................up to 630 kVA

5

Building KS 25-36 w (→ pages 27, 29) medium-voltage switchgear: ............ option: with SF6 insulation - SafeRing or SafePlus • up to 5 bays (24 kV) option: with air insulation - traditional • up to 4 (3) bays of 17.5 kV (24 kV) option: with air insulation - UniSwitch (compact) • up to 5 bays of 24 kV low-voltage switchboard type RNTw ....... 1250 A transformer..............................up to 630 kVA Buildings 2 KS 22-30 w (→pages 31-35) Buildings 2 KS 25-36 w medium-voltage switchgear: ..................

transformer.............................up to 1000 kVA

up to 2 x 630 kVA

low-voltage RNTw type switchboard.... 1250 A

1600 A

3.1. Substation building The KS...w substation buildings are made of concrete using permanent moulds (walls and base are made of B35 type concrete, roof is made of B45 type concrete – walls are 10 cm thick).

The supporting constructions as well as fixing and transporting fittings are metallically joined with building reinforcement. All metal components of the building are hot-zinc-coated. Substation doors and ventilation grates are made of aluminium sheets and sections, and are painted with polyester powder paints (→ fig. 07, page 42). The door frame of the transformer room is equipped with protection railing hooks; the ventilation grates are equipped with insect screens. The building roof (→ page 16) is fitted with threaded transport sockets. The installation of equipment inside the KS...w is made through the doors as standard (also possible through the roof).

Die-cast concrete building (deformations and cracking of the building in the construction, transportation and operation processes

are eliminated)

Substation concrete components: building, base and roof

the UniSwitch, SafePlus, and the traditional air insulated type switchgears,allow free choice of configuration of medium-voltage bays

6

The building cable base is also the building foundation. The base of the building has a separate, non-leaking oil pit, preventing the transformer oil from permeation into the soil and the ground water. The medium-voltage and low-voltage cables are passed into the building base through P70 type cable bushings (30 pcs. – 10 per each base wall) or HD cable bushings (→ fig. 06). The substation building internal walls and roof are pained with white waterproof acrylic paints; the walls, base floor and substation building floor are mufti-layer painted with sealing paints. The external walls structural plaster finish and the roof are pained with sealing paints according to the RAL colour palette. The base trim and the roof are painted – from the outside – with sealing paints in the substation door colour (optionally, the base trim is finished with ceramic tiles). The standard substation external finish is shown in fig. 01.

3.1.1. KS 22-30w substation building specifications (→ page 13):

external width at base ............................................................................... 3000 mm at roof ............................................................................... 3150 mm external length at base ................................................................................ 2200 mm at roof ............................................................................... 2350 mm height above the ground ................................................................... 2700 mm base foundation depth (including the surface) .......................................... 650 mm total height ............................................................................. 3350 mm substation building weight (without equipment) ............................................. 8000 kg substation building weight (equipped – without transformer).............................. 9500 kg substation building weight (equipped – incl. transformer)............................. 12000 kg base weight ........................................................................................ 3600 kg building area ......................................................................................... 6.6 m2

3.1.2. KS 25-36w substation building specifications (→ page 14):

width: building ...................................................................................... 3600 mm roof ........................................................................................... 3750 mm

length building.. ...................................................................................... 2500 mm

The buildings can be set-up in groups (if e.g. two-transformer substations are required → page 15)

The transport fittings are approved for permissible loads.

The concrete moulding production stage allows for individual location of doors, division walls (or their removal), and special equipment holes.

7

roof ........................................................................................... 2650 mm

height above the ground ..................................................... 2700 mm base foundation depth (including surface) ...................... 700 mm total height ............................................................................... 3350 mm substation building weight (without equipment).......................................... 10500 kg substation building weight (equipped – without transformer) ................... 12000 kg substation building weight (equipped – incl. transformer)............................. 14500 kg base weight ....................................................................................... 4300 kg building area ...................................................................... 9 m2

3.1.3 Building supplementary data:

protection degree .............................................................................. IP 43 enclosure impact strength .......................................... 20 J roof load strength ........................................... 2500 N/m2

enclosure class .............................................................................. 10 fire resistance .................................................................... B fire resistance of walls and ceilings ........................................................ 120 min substation fire load (depending on the amount of oil in the transformer housing

and size of the substation building) e.g.:

22-30 w substation with 630 kVA transformer.......................................... 2890 MJ/ m2

25-36 w substation with 630 kVA transformer.......................................... 2165 MJ/ m2

the minimum distance from other objects (depending on the type 10 to 15 m *) of the neighbouring buildings)

* distances can be reduced: by 50% if the neighbouring building wall has a 60 min fire resistance, and there is only one door of at least 30 min fire resistance; by further 25% if the neighbouring building is equipped with fixed, automatic fire extinguishing system.

The transformer substation can be located adjacent to a building, with a solid wall (no openings) towards the building, if the distance to the window and door openings is more than 1.1 m, and the horizontal and vertical distances from rooms with permanent presence of people is higher than 2.8 m.

3.2. Equipment arrangement

.

The medium-voltage switchgear and low-voltage switchboards in the KS...w building are operated from common service corridor (common medium-voltage and low-voltage compartment), or from separate compartments of medium-voltage switchgear and low-voltage switchboards (separate compartments for the medium-voltage switchgear and low-voltage switchboards are constructed in modular – combined buildings). The switchgear and switchboards can be accessed after opening service door, and the transformer can be accessed after opening the transformer room door (→ fig. 02÷05). The division between the transformer and

The KS...w permit installation of a cable cabinet operated from the outside (e.g. lighting cabinet, measurement circuit cabinets etc.)

8

the medium-voltage switchgear and low-voltage switchboards service corridor is made of supplementary substation equipment, i.e. RNTw switchgear, cable duct and mounting panels.

3.3. Substation technical specifications The KS...w series transformer substations are type-tested at the Electrical Power Institute in Warsaw.

• transformer substations type: KS 22-30 w (up to 630 kVA) certificate no. 569 • transformer substations type: KS 25-36 w (up to 630 kVA) certificate no. 569 attestation no. 021/2002 • transformer substations type: KS 25-36 w (up to 1000 kVA) certificate no. 596

Substations are tested for:

• general requirements regarding construction and functionality • mechanical strength of the building against impacts and loads, • ingress protection, heat build-up inside the station building, • electric strength of insulation, • main circuit and earthing connections fault current load, • inspection and evaluation of internal arc fault effects.

General substation data:

substation rated power ....................................................... 630 kVA (1000 kVA) rated frequency ....................................................... 50 Hz number of phases ...................................................................... 3

Medium-voltage side data:

rated voltage .................................................................. 17.5kV or 24 kV insulation rated level ....................................................... 125 kV / 50 kV busbar rated continuous current ................................ 630 A (400 A) line bay .......................................................... 630 A (400 A) transformer bay .......................................................... 200 A peak withstanded rated current: busbar ................................................................... 31.5 kA line bay and earthing switch ........................................... 31.5 kA short-term withstanded rated current: busbar ................................................................... 12.5 kA line bay and earthing switch ........................................... 12.5 kA rated fault duration ..................................................................... 1 sec.

Low-voltage side data:

rated voltage ............................................................................... 400 V insulation rated level ................................................................... 660 V busbar rated continuous current ............................................ 990 A (1440 A)

9

main switch disconnector (circuit breaker) .................................. 1250 A (1600 A) feeder bay ................................................................................ 400 A (630 A)

peak withstanded rated current ............................................ 40 kA short-term withstanded rated current ................................ 16 kA rated fault duration ................................................................... 0.5 sec

Transformer data:

transformer type .................................................................. sealed, oil cooled (or dry, resin type)

transformer power ................................................................... up to 630 kVA (1000 kVA) upper-voltage connection ............................................................... connector-type

(or insulators with terminal lug)

3.3.1. Standards:

EN 61330 : Prefabricated transformer high-voltage/low-voltage stations EN 60298 : 2000 – AC switchgears in metal enclosures for voltages above 1 kV. IEC 439-1+AC : 1994 – Low-voltage switchgear and controlgear. Requirements for fully and partially tested sets. IEC 1641 : 1996 – Technical Report. Enclosed low-voltage switchgear and controlgear assemblies. Guide for testing under conditions of arcing due to internal fault. IEC 529 (1989) – Protection provided by enclosures (IP code).

3.4. Medium-voltage switchgears (→ page 17, and the : “UniSwitch” and “SafeRing and SafePlus” catalogues)

3.5. Low-voltage switchboards (→ pages 18-20)

3.6. Transformers (→ page 21, and the: “Distribution transformers” catalogue)

The transformer inside the building is standing movably on rails anchored to the station building floor (it’s possible to transport the substation with the transformer installed – assembled at the manufacturer’s facility).

3.7. Medium-voltage and low-voltage cable connections (→ page 22) The transformer is connected with the medium-voltage switchgear using three single-phase cables 1 x 50 (70) mm2, in cross-linked polyethylene insulation for up to 20 kV voltage (one per phase). The cables from the medium-voltage switchgear side, in SF6 insulation, are terminated with elbow jack heads e.g. type EASW

10

20/250 (type of the head on the medium-voltage switchgear side is defined in the switchgear assembly and operation documentation). The medium-voltage switchgear side, in air insulation – are terminated with indoor heads e.g. TI 24 type. The cables for transformers fitted with connectors are terminated on the upper-voltage side with alternatively: elbow jack heads e.g. type EASW 20/250 or straight jack heads e.g. EASG 20/250. For the transformers with insulators, the cables on the upper-voltage side are terminated with indoor heads e.g. TI 24 type. The type of the heads can be chosen depending on how the cables are connected at the upper-voltage side of the transformer. The low-voltage cables of the RNTw switchboard are terminated with traditional KU 240 type cable terminals, and connected on the transformer side using e.g. PFISTERER type terminals or KU 240 type cable terminals. The transformer lower-voltage side terminals can be insulated with insulating covers. The cables entering the building base through the P70 bushings are sealed from outside with thermo-shrink tubes.

3.8. Substation earthing (→ page 23) The electric shock protection of the transformer substation is made with safety earthing. The low-voltage service earthings as well as the medium-voltage and low-voltage safety earthings are all connected to common earth.

Safety earthing: The substation equipment and structures are connected to the earthing busbar with the 1 x 50 mm2 cable in yellow and green insulation. The earthing busbar is connected through the measurement contact (1 → page 23) with external substation earthing (flat section 200mm2). The building reinforcement is used as a common, metallic connection of all the substation structure components.

RNTw switchboard service earthing: The PEN terminal of the RNTw switchgear is connected through the measurement contact (3) with the substation external earthing. Transformer service earthing: The transformer neutral point is connected through the measurement contact (2) with the substation external earthing. The measurement contact (2) is connected to the transformer neutral point using the 1 x 50 mm2 cable (1 x 120 mm2 or tinned flat-section 25 x 4 mm2 – acc. to the directives of Power Distribution Company) – with blue insulation. To facilitate substation earthing installation, flat-section FeZn 50 x 4 segments are provided to connect the earthing points no. 1, 2, and 3 with the circumferential earthing.

4. Substation assembly and foundation (→ page 24) The substation has been designed to be transportable to the construction site using traditional transportation means (weights of buildings are given in the substation building specifications → pages 6 and 7). A special lifting sling or a traverse is delivered with the substation for the setting up purposes (we can guarantee assistance in proper substation installation).

11

4.1. Substation foundation trench and installation of the substation (→ page. 24) The substation should be placed in a foundation trench filled with water draining sub-crust breakstone or gravel of 0 ÷ 16 ÷ 25 mm granularity (→ page 24). In case of embankment grounds (unstable) a 15 cm thick concrete foundation slab should be made (B15 concrete with ∅12 wire reinforcement in 15 x 15 cm mesh). The depth of the substation foundation trench can be obtained as the total depth of the trench plus surface thickness, as given in the infrastructure design. The trench depth – total of 650 mm, and substation height above ground level - 2550 mm.

5. Environmental protection The KS...w substations do not create any ecological threat. Buildings, doors, and all associated structures are made of environmentally friendly materials. The building base contains a leak-proof oil pit that prevents the transformer oil permeation into soil, and ground waters through the building base.

6. Warranty The manufacturer gives a limited warranty for transformer substations, equipped as ordered, for a period of minimum 24 months – excluding other vendors equipment, which is covered by a 12-month warranty. The manufacturer accepts no liability for damages and faults resulting from incorrect operation and usage, lack of maintenance or improperly performed engineering works. We guarantee assistance in choosing and commissioning of the substation, training of personnel, delivery of spares and consumables.

Modular buildings (combined) require a common stabilising slab.

The substation installation site must guarantee a driveway and a manoeuvre field for a crane and truck carrying the substation.

health and safety regulations must be observed at all times

• the substations must be set up by cranes with lifting capacity of more than 50%

higher than the substation weight • use only the lifting slings and traverses designed for KS... substations

We guarantee assistance in scrapping of accidentally damaged equipment. (e.g.. switchgears with SF6 gas).

12

7. Documentation acceptance

During the preparation of the transformer substation documentation, apart from the legal and formal steps related to substation architecture and location, the following should be done:

• substation electrical diagram co-ordination and design, based on technical conditions issued by the relevant

Power Distribution Company • co-ordination of the type of electric power measurements needed with the Power Distribution Company, and

design of the measuring circuit (if applicable) • design of the external distribution networks • design of the substation earthing, using natural earthings, based on soil resistivity measurements • planning of the substation assembly procedure, with regard to transportation conditions

8. Ordering a substation When ordering a substation, the following should be defined: • type of building and roof • operating voltage of the medium-voltage side • type and number of bays in the medium-voltage switchgear • configuration of the RNTw low-voltage switchboard • additional equipment of the RNTw low-voltage switchboard • transformer type, rated power, and voltages of the lower and upper voltage sides • types of cables supplying power in the medium-voltage line bays • transformer cable connections (connectors and insulators) • substation exterior colour and contents of the warning labels (→ page 16)

9. Substation transportation and hand-over We deliver the substation with our own transportation means, and provide lifting slings and traverses to unload and set-up the substation. Location preparation and the crane to unload the substation are provided by the client.

We guarantee assistance in setting-up of the station

The KS... series transformer substations are accompanied by type documentation

KS 22-30 w substation buildingKS 22-30 w substation building

equipment installation through the door or after roof removal

KS 22-30 w

operated from the inside

General specifications

building width

building length

building height above ground

depth of building foundation

protection degree

base weight

Materials

building and base

3000 mm

2200 mm

2700 mm

650 mm

IP 43

3600 kg

reinforced concrete (B35)

building height inside 2300 mm

building weight withont equipment 8000 kg

3000

1050

1050

1050

12

00

22

00

1

2

3

4

7

9

8

6

11

5

2700

650

2550

800

6

5

1

2

substation building

building base

3

4

building roof

service door

5

6

7

8

9

cable cabinet

ventilation grates

cable bushings

bushing between buildings

hatch

10 medium-voltage compartment

11 transformer room

10

4

• building wall thickness is 100 mm

630 kVA630 kVA

building area 6,6 m2

roof reinforced concrete (B45)

13

joinery

the building walls are finished with structural plasters in the ordered

colour (standard – sand RAL 1015)

the building roof is covered with sealing paints (standard – brown

RAL 8016 or ash RAL 7032)

joinery is painted with powder paints in the roof colour

aluminium (or aluzinc)

supplementary building dimensions fig.s 02 and 03

KS 25-36 w substation buildingKS 25-36 w substation building

KS 25-36 w

equipment installation through the door or after roof removal

operated from the inside

General specifications

building width

building length

building height above ground

depth of building foundation

protection degree

base weight

Materials

building and base

3600 mm

2500 mm

2700 mm

650 mm

IP 43

4300 kg

reinforced concrete (B35)

building height inside 2300 mm

building weight withont equipment 10500 kg

27

00

65

0

25

50

800

2

8

7

1

3

6

5

3600

10501050

1050

2500

12

00

4

9

11

5

6

4

10

1

2

substation building

building base

3

4

building roof

service door

5

6

7

8

9

cable cabinet

ventilation grates

cable bushings

bushing between buildings

hatch

10 medium-voltage compartment

11 transformer room

• building wall thickness is 100 mm

630 kVA630 kVA

building area 9 m2

roof reinforced concrete (B45)

14

joinery

the building walls are finished with structural plasters in the ordered

colour (standard – sand RAL 1015)

the building roof is covered with sealing paints (standard – brown

RAL 8016 or ash RAL 7032)

joinery is painted with powder paints in the roof colour

aluminium (or aluzinc)

supplementary building dimensions rys. nr 03, 04

Set of two substation buildings - 2 KS... wSet of two substation buildings - 2 KS... w

The set of two buildings allow creation of two-transformer, multi-bay or other substations, as required.

Construction of such substation with typical buildings significantly facilitates the substation set-up and allows free choice

of architecture.

Division of substation weights e.g. two-transformer substations, allows use of traditional transportation means

(especially in difficult locations).

4400 (2 KS 22-30w)5000 (2 KS 25-36w)

65

03

00

2 KS 22-30 w2 KS 25-36 w

stabilising slab

4700 (2 KS 22-30 w)5300 (2 KS 25-36 w)

15

In case of embankment grounds (unstable) a concrete stabilising foundation

slab should be made – reinforced concrete

(B15 concrete with 12 mm wire reinforcement in 15 x 15 cm mesh).Ø

Flat, single slope, reinforcedconcrete, 2.5% pitch

Flat, double slope, reinforcedconcrete, 5% pitch

Flat, double slope, reinforced concrete,5% pitch + steel envelope roofoverstructure + roof tiles, 30° pitch

building roofs:

Flat, double slope, reinforced concrete,5% pitch + steel double slope roofoverstructure + roof tiles, 30° pitch

Outside operates substation roofs:

• single or double slope reinforced concrete slab (B45),

covered with sealing paints on outside

the roof reinforced concrete slab is ready for additional

steel roof envelope or double slope overstructure covered

with ceramic tiles (option: sheet metal, shingle etc.)

•

Building roofs KS...wBuilding roofs KS...w

1 2 34

made for the substations standing adjacent to buildings or for

substations.2 KS... w1

2 standard substation roofKS... w

3

4

made for substations and substations – on

a reinforced concrete slab with a steel overstructure of an

envelope roof with wooden laths for e.g. tiles.

KS... w 2 KS... w

made for substations and substations – on a reinforced

concrete slab with a steel overstructure of a double slope roof with

wooden laths for e.g. tiles.. The sides are made of aluminium sections

painted with powder paints.

KS... w 2 KS... w

Drainpipes in the KS... w and 2 KS... w buildings are made only on client’s request(roof gutters and drainpipes – material: aluminium or PVC)

KS 22-30 wKS 25-36 w

2 KS 22-30 w2 KS 25-36 w

ground level

MV SWITCHGEAR

LV SWITCHGEAR

medium-voltage switchgear service door

low-voltage switchboard service door

transformer room doorMV/LV TRANSFORMER

warning label with inscriptions:

1. DO NOT TOUCH

2. ELECTRICAL DEVICE

3. DANGER

company logosubstation typesubstation number

External designations of the KS... w substationsExternal designations of the KS... w substations

16

andand

17

A B

C

type

rated voltage

transformer bay:

- with fuse

- without fuse

number of bays

A

B

C

2 3

696 1021 1346

4 2 3 4

696 1021 1346 1671

5

SafeRing

17.5 and 24 kV

750

1345

Safe Plus

17.5 and 24 kV

750

1345

(mm)

(mm)

(mm)

- application of different switchgear requires consultation

table of fuse MV links selection in MV switchgear transformer bays

Medium—voltage switchgearin SF insulation6

Medium—voltage switchgearin SF insulation6

SafeRing or SafePlus

The MV switchgear transformer bays are equipped with a circuit breaker or a fuse. In the switchgear equipped

with the isolation switch (200 A), the transformer is protected by a combination of a high-power isolation switch, and high-

voltage HH fuse links type CEF. The isolation switch rated current in the transformer bay is limited by the fuse link rated

current (see table below).

Detailed information on switchgear design and operation is given in installation and operation documentation of

the MV switchgears.

Note: overcurrent CT settings (for the MV switchgear with circuit breaker) –acc. to directives given in the MV switchgear documentation.

Phase order

Each bay in the MV switchgear is standard equipped with neon lamp voltage indicators, and with test sockets for

setting phase of the medium-voltage cables (in each phase).

Phasing devices are fitted on clients request.

(SF )6

MV switchgears in insulationSF6

As standard, the substation is designed for SF insulated

switchgear, type:

6

Note: the UniSwitch, SafePlus and traditional, air insulated switchgears

allow free choice of configuration of medium-voltage side bays

upper voltage transformer power fuse upper voltage transformer power fuse

15 kV 20 kV

100 kVA

160 kVA

250 kVA

400 kVA

630kVA

1000 kVA

10 A

16 A

25 A

25 A

40 A

63 A

100 kVA

160 kVA

250 kVA

400 kVA

630 kVA

1000 kVA

10 A

16 A

16 A

25 A

40 A

50 A

RNTw switchboardsRNTw switchboards

V

A A A

V

A A A

670

20

50

1070 1270 260

RNTw - 6 RNTw - 10 RNTw - 12

RNTw - for inside operated substations

free-standing – supplied from above

module design: 6, 10, 12 feeder bays gr. 2 (3)

allows connection of RNTw to increase the number of feeder bays

ready to add:

- control/measurement system PK

- measurement/counter system PR (current transformers)

- transformer idle run compensation system

rated continuous current

rated feeder current

rated voltage

insulation rated voltage

1 second withstanded rated current

peak rated current

ingress protection

standard colour

1250 A (1600 A)

160 / 400 / 630 A

230 / 400 V

660 V

16 kA

40 kA

IP 20

RAL 7032

RNT switchboard specifications:

current transformersinspection window

portable earthingterminals

18

SOCOMEC Sirco 1250 A (1600 A)220 V/16 A

RB

L-2

Sta

nd

-by

Sta

nd

-by

12345678910

PV

A

V

LLL 3

16 A

D01

16 A

D01

L1, L2, L3 400/230 V, 50 HzCu 50 x 10

(Cu 80 x 10)

Cu

60

x10

(Cu

80

x10)

Cu

40

x10

(Cu

60

x10)

3

D01

RB-00

D01

PENR

BL

-2

RB

L-2

RB

L-2

RB

L-2

RB

L-2

RB

L-2

RB

L-2

Internal load

Compensation

PK measurement

PR measurement

additional equipment

Cu 40 x 10(Cu 60 x 10)

Example:

RNTw switchboards continue.RNTw switchboards continue.

19

incomer: - busbar Cu 60x10 (Cu 80 x 10)*

- busbar Cu 40x10 (Cu 60 x 10)*

feeder: - busbar Cu 50x10 (Cu 80 x 10)*

- busbar Cu 40x10 (Cu 60 x 10)*

Busbar busbars

L1, L2, L3

PEN

L1, L2, L3

PEN

(the busbar bridge is standard fitted for busbar current

transformers installation)

*( ) execution for – 1600 A

1

2

Connections with the transformer

SOCOMEC1250 A

... connection using a traditional cable terminal

5 6

L1 L2 L3 PEN

2

1

L1

L2

L3

PEN

PK and PR measuringtransformers

RNTw incomer options:

• 1250 A insulating switchOETL• 1250 A fuse insulating switch• 1250 A circuit breaker• without main circuit breaker

The RNTw switchboard busbar bridge (10 feeder bays)with SOCOMEC Sirco 1250 A (1600 A) insulating switch

Example:

The RNTw switchboard with network-generator or automaticstand-by switching incomer supply, requires a customised design.

RNTw feeder options:

• SLBM gr. 2 (3) insulating switch• XLBM gr. 2 (3) insulating switch

RNTw switchboards continue.RNTw switchboards continue.

20

PR, PK - measurements

The RNT switchboards allow addition of the following

measurement systems:

PR – energy counter measurement

PK – control measurement

WILK

zegar

WILK

WILK WILK

TT-2 TT-3

TP-2 TP-3

zegarzegar

WILK

zegar

WILKWILK

WILKWILK

WILKWILK

TT-2 and TT-3 in OTT-2 (OTT-3) housing

TP-2 and TP-3 in OTP-2 (OTP-3) housing

PR and PK systems measurement boards

The TT type measurement boards are adapted to install

directly on the wall or in measurement cabinets.

The TT-2 and TT-3 boards are fitted only with typical

3-phase counter boards.

The TP-2 and TP-3 boards are fitted additionally with

the terminal strip, voltage protection, control lamps etc.

All RNT switchboards are equipped with internal load system:

service outlet, and station lighting circuit.

The RNT switchboards allow installation of a

capacitor.

transformer

idle run

Transformer power

100 kVA

160 kVA

250 kVA

400 kVA

630 kVA

Capacitor power *

2 (2.5) kVAr

2.5 (3) kVAr

3 (5) kVAr

5 (7.5) kVAr

7.5 (10) kVAr

Transformer power

100 kVA

160 kVA

250 kVA

400 kVA

630 kVA

Current transformer ratio

200 A / 5 A

300 A / 5 A

400 A / 5 A

600 A / 5 A

1000 A / 5 A

Selection of current transformers for the measurement systems

Internal load and additional equipment

650

850

750550

650450

500

700

* acc. to the transformer operation recommendations

21

A B

C

Transformers

The KS... type substation allow installation of dry type transformers:

• cast wil technology transformers

• RESIBLOC technology transformers

manufacturer

power

A

B

C

ABB

160

950

780

1230

(mm)

(mm)

(mm)

(kVA)

1340 1445 1570 2040

250

990

720

400

1085

900

630

1180

1020

1000

1890

1105

Transformer – medium voltage switchgear and low-voltageswitchboard connection (see pages 10 and 22)

Oil typeOil type

Medium-voltage and low-voltagecable connections

Medium-voltage and low-voltagecable connections

22

Transformer – medium-voltage switchgear connections

• single phase cables with 20 kV insulation:

up to 250 kVA 35 mm2

from 400 to 630 kVA 50 mm2

from 800 to 1250 kVA 70 mm2

The medium-voltage switchgears in SF6 insulation allow connection of dry or oil cables.

head manufacturer

SF6 insulated switchgears

line bays – incomer cables

transformer bay – cables to the transformer

F&G

ASTS 20/630; AWKS 20/630

EASW 20/250

EUROMOLD RAYCHEM

K400 TB; K400 LR

K 158 LR

RICS

RSES

Cable heads

head manufacturer

transformers

with traditional connectors (insulators)

with jack connectors

F&G

EASW 20/250; EASG 20/250

EUROMOLD RAYCHEM

K 158 LR RSES

EAVI 20; TI 24 ITK; OTK IXSU; OXSU

head manufacturer

air insulated switchgears

line bays – incomer cables

transformer bay – cables to the transformer

F&G EUROMOLD RAYCHEM

EAVI 20; TI 24

EAVI 20; TI 24

ITK; OTK

ITK; OTK

IXSU; OXSU

IXSU; OXSU

Transformer – low-voltage RNTz switchboard connections

• single phase cables with 1 kV insulation:

up to 250 kVA 1 x 240 mm2

from 400 to 630 kVA 2 x 240 mm2

from 800 to 1250 kVA 4x185 (240) mm2

KS 22-30 wKS 25-36 w

2 KS 22-30 w2 KS 25-36 w

Substation earthingSubstation earthing

Safety earthing:

• the substation equipment and structures and connected

to the earthing busbar with a green and yellow insulated

cable – 1 x 50 mm2.

• the earthing busbar is connected through a test

clamp 1 with external substation earthing

(flat section 200 mm2).

• the building reinforcement is used as additional, common

metallic connection for all substation structure components.

RNTw switchboard service earthing:

• the PEN terminal of the RNTw switchboard is connected

through the test clamp 3 with external substation earthing.

Transformer service earthing:

• the transformer neutral point is connected through the test

clamp 2 with external substation earthing.

• the connection of the test terminal with the transformer neutral

point is made with the 1 x 50 mm2 cable (1 x 120 mm2 or

25 x 4 mm2 tinned flat section – according to Electric Power

Distribution Company) – with blue insulation.

• to facilitate creation of substation earthing, flat-section FeZn

50 x 4 segments are included to connect the earthing points

number 1, 2, and 3 with the circumferential earthing.

FeZn 50x4 mm

Fe

Zn

50

x4m

m

PE

Earthing busbar

PE

N

LVsw

itchboard

RN

Tw

Fe

Zn

50

x4m

m

FeZn 50x4 mm

1

23

MV

switc

hgear

23

Substation installation and placementSubstation installation and placement

KS 22-30 w

KS 25-36 w

3000 2200

27

00

ground level

2500

3900

65

0

3300

4700

breakstone or reinforced concrete slab

15

0

Substation placement(with equipment)

19 T crane(25 T in case of difficulties)

traverse

12 T

3,6 T

3600 2500

27

00

2800

4200

65

0

3900

5300

15

0

ground level

Substation placement(with equipment)

19 T crane(25 T in case of difficulties)

traverse

breakstone or reinforced concrete slab

14,5 T

4,5 T

4400 (2 KS 22-30w)5000 (2 KS 25-36w)

65

03

00

common reinforced concrete slab

4700 (2 KS 22-30 w)5300 (2 KS 25-36 w)

3600

3900

5300

ground level

27

00

2 KS 22-30 w2 KS 25-36 w

24

• the installation traverse issupplied with the substation

• the lifting sling for roof removalis supplied with the substation

• the installation traverse issupplied with the substation

• the lifting sling for roof removalis supplied with the substation

In case of embankment grounds (unstable) a concrete stabilising foundation

slab should be made – reinforced concrete

(B15 concrete with 12 mm wire reinforcement in 15 x 15 cm mesh).Ø

KS 22-30 w

RNTw - 6, 10 bay

max. 630 kVA

1

2

3

4

5

6

7

8

9

10

11

concrete building

medium-voltage switchgear

MV/LV transformer

low-voltage switchboard

PR energy counter measurement

additional LV cable cabinet for installation of e.g.:

- individual LV switchboards

- board for street lighting

- PR energy counter measurement

service door 1050 x 2000 mm

transformer room door 1050 x 2000 mm

ventilation grates

MV cable duct

base hatch

Equipment placement

3000

10501050

12

00

22

00

1

2

3

4

7 8

9

11

3000

1050

1050

1050

12

00

22

00

1a

2

3

6

4

7 8

9

11

5

10

10

Transformer substation

KS 22-30 w

Substation equipment options - standard

substation building

LV switchboard

transformer

5

option with RNTw – 6

option with RNTw – 10and cable cabinet (6)

1a building with cable cabinet

MV switchgear: option: SF insulation – SafeRing or SafePlus

• up to 3 bays (24 kV))

6

option: air insulation – UniSwitch (compact)

• up to 3 bays (24 kV)

25

- capacitor set

fig. 8.1

KS... w substation electrical diagram

Low

-voltage

sw

itchboard

RN

Tw

–(p

p.18-2

0)

MV

/LV

transfo

rmer

(p.21)

Mediu

m-v

oltage

sw

itchgear

(p.17)

Internal load

Test energy counter

Energy counter

Compensation

MV/LV oil sealed

transformer

4x2YKXS 240 cables

3x1YHKXS 50 cable

EASW 20/250 heads

SIRCO

Qsn

60W

Qnn

60W 220 V/16 A

RB

L-2

RB

L-2

RB

L-2

Sta

nd-b

y

Sta

nd-b

y

RB

L-2

RB

L-2

RB

L-2

RB

L-2

RB

L-2

12345678910

PV

A

V

LLL 3

3

kVAr

A

PK :

PR :

16 A

D01

6 A

D01

6 A

D01

16 A

D01

kV

A/5A

A/5A

L1, L2, L3 400/230 V, 50 Hz Cu 50 (80) x 10

Cu 40 (60) x 10

I>

L1, L2, L3 w in SF6 insulationkV

SafeRing or SafePlus with circuit breaker in the transformer bay with fuse ...

1

Earthing busbar

Oth

er

Str

uctu

res

LV

sw

itchboard

MV

sw

itchgear

Tra

nsfo

rme

r

2

PE

N

PEN

3

kVA

standard additional equipment

26

The transformer, type and number

of medium-voltage and low-voltage

switchgear bays, and additional substation

equipment are determined by the client

fig. 8.2

RNTw

KS 25-36 w (e.g. with cable cabinet)

RNTw - 6 (10) (12)

max. 630 kVA


KS 25-36 w

Substation equipment options - standard

substation building

rozdzielnica SN:

LV switchboard

transformer

1

2

3

4

5

6

7

8

9

10

11

concrete building

medium-voltage switchgear – SF6

MV/LV transformer

low-voltage switchboard: RNTw




- street lighting cabinet




ventilation grates

MV cable duct

base hatch

Equipment placement

2a

2b

medium-voltage switchgear – air insulated

medium-voltage switchgear - air insulated (compact)

12 capacitor set

3

11 4

1

9

87

5

102b

12

3

11

9

87

6

10

17

.5k

V

2a

24

kV

4

5

option: with air insulation medium-voltageswitchgear

1a

12

3600

10501050

1050

25

00

12

00

3

11

2

9

87

6

10

4

5

option: with SF6 insulationmedium-voltage switchgear

1a

12

option: SF6 insulation – SafeRing or SafePlus


option: air insulation

• up to 4 (3) bays 17.5 (24 kV)

(traditional)

option: air insulation – UniSwitch


(compact)

27

option: with air insulation medium-voltageswitchgear (compact)

fig. 9.1

KS... w substation electrical diagram

Low

-voltage

sw

itchboard

RN

Tw

–(p

p.18-2

0)

MV

/LV

transfo

rmer

(p.21)

Mediu

m-v

oltage

sw

itchgear

(p.17)

Internal load

Test energy counter

Energy counter

Compensation

MV/LV oil sealed

transformer

4x2YKXS 240

3x1YHKXS 50 cable

Cable

EASW 20/250 heads

SIRCO

Qsn

60W

Qnn

60W 220 V/16 A

RB

L-2

RB

L-2

RB

L-2

Sta

nd-b

y

Sta

nd-b

y

RB

L-2

RB

L-2

RB

L-2

RB

L-2

RB

L-2

12345678910

PV

A

V

LLL 3

3

kVAr

A

PK :

PR :

16 A

D01

6 A

D01

6 A

D01

16 A

D01

kV

A/5A

A/5A

L1, L2, L3 400/230 V, 50 Hz Cu 50 (80) x 10

Cu 40 (60) x 10

I>

L1, L2, L3 in SF6 insulationkV

SafeRing or SafePlus with circuit breaker in the transformer bay with fuse ...

RNTw

1

Earthing busbar

Oth

er

Str

uctu

res

LV

sw

itchboard

MV

sw

itchgear

Tra

nsfo

rmer

2

PE

N

PEN

3

kVA

A

28


of medium-voltage and low-voltage switchgear

bays, and additional substation


fig. 9.2

3600

10501050

1050

25

00

12

00

3

11 4

1

9

87

6

10

5


KS 25-36 w

Substation equipment options: with medium-voltage side measurement

17

.5k

V

24

kV

RNTw - 6 (10) (12)

max. 630 kVA

LV switchboard

transformer

3

11 4

1

9

87

5

10

3

11

2

9

87

6

10

4

5

option: with UniSwitch

1a

2c

option: with air insulation

(traditional) medium-voltage switchgear

option: with SafePlus

1

2

3

4

5

6

7

8

9

10

11

concrete building


MV/LV transformer









ventilation grates

MV cable duct

base hatch

Equipment placement

1a building with cable cabinet (6)

2a

2b



2b

2c Energy measurement cubicles

12 capacitor set

12

12

12

KS 25-36 w (e.g. with cable cabinet)substation building

MV switchgear: Option: air insulation

• 1 line bay 17.5 kV (24 kV) +

• measurement bay +

• 1 transformer bay

(traditional)

Option: air insulation – UniSwitch (compact)

• 2 line bays 17.5 kV (24 kV) +



Option: SF6 insulation – SafeRing or SafePlus

• 2 line bays 17.5 kV (24 kV) +



29

2a

fig. 10.1

3x1YHKXS 50 cable

EASW 20/250 heads

EAVI 20 heads

Internal load

Test energy counter

Compensation

MV/LV oil sealed

transformer

4x2YKXS 240 cable

SIRCO

Qsn

60W

Qnn

60W 220 V/16 A

RB

L-2

RB

L-2

RB

L-2

Sta

nd-b

y

Sta

nd-b

y

RB

L-2

RB

L-2

RB

L-2

RB

L-2

RB

L-2

12345678910

PV

A

V

3

kVAr

PK :

16 A

D01

6 A

D01

16 A

D01

kV

A/5A

Cu 50 (80) x 10

Cu 40 (60) x 10

RNTw

RB-00

TP board

IMZ

UMZ

3

3L1, L2, L3 (SF6)

3xYHKXS 50 cable

KS... w substation electrical diagram – example with measurement cell


Low

-voltage

sw

itchboard

RN

Tw

–(p

p.18-2

0)

MV

/LV

transfo

rmer

(p.21)

Mediu

m-v

oltage

sw

itchgear

(p.17)

17.5 (24) kV

1

Earthing busbar

Oth

er

Str

uctu

res

LV

sw

itchboard

MV

sw

itch

ge

ar

Tra

nsfo

rmer

2

L1,L

2,L

3

PE

N

PEN

3

ASTS 20/630 headsAUTIS lighting arrester

kVA

A

30

Note: The UniSwitch, SafePlus and traditional switchgear allow free choice of

configuration of bays and measurement systems on the medium-voltage side



bays, and additional substation equipment

are determined by the client

fig. 10.2


2KS 22-30 w

3

7

8

9

11

5 10

11

1

4

option: with UniSwitch

2b

3

7

8

9

11

5 10

11

1

4

option: with SafeRing or SafePlus

12

12

30

00

10

50

10

50

1200

4400

3

7

8

9

11

5 10

11

1

1050

4

17

.5k

V

24

kV

2

option: with air insulation (traditional) medium-voltage switchgear

2a12

1

2

3

4

5

6

7

8

9

10

11

concrete building


MV/LV transformer









ventilation grates

MV cable duct

base hatch

Equipment placement

2a

2b



12 capacitor set

Substation equipment options: with medium-voltage side measurement – separate medium-voltageand low-voltage compartments

RNTw - 6 (10) (12)

max. 630 kVA

LV switchboard

transformer

2 KS 22-30 wsubstation building

17.5 kV MV switchgear Option: air insulation

• 2 line bays +



(traditional)

Option: air insulation – UniSwitch

• 2 line bays



(compact)

Option: SF insulation – SafeRing or SafePlus

• 2 (3) line bays



6

24 kV MV switchgear • 1 line bay +



e.g.

e.g.

e.g.

2

2c

2c Measurement cubicle

31

fig. 11.1

3x1YHKXS 50 cable

EASW 20/250 heads

L1, L2, L3

EAVI 20 heads

AHH

Tablica TP

IMZ

UMZ

3

3

KS... w substation electrical diagram – example


Low

-voltage

sw

itchboard

RN

Tw

–(p

p.18-2

0)

MV

/LV

tra

nsfo

rme

r(p

.2

1)

Mediu

m-v

oltage

sw

itchgear

(p.17)

Internal load

Test energy counter

Compensation

MV/LV oil sealed

transformer

4x2YKXS 240 cable

SIRCO

Qsn

60W

Qnn

60W 220 V/16 A

RB

L-2

RB

L-2

RB

L-2

Sta

nd-b

y

Sta

nd-b

y

RB

L-2

RB

L-2

RB

L-2

RB

L-2

RB

L-2

12345678910

PV

A

V

3

kVAr

PK :

16 A

D01

6 A

D01

16 A

D01

kV

A/5A

Cu 50 (80) x 10

Cu 40 (60) x 10

RNTw

RB-00

3xYHKXS 50 cable

1

Earthing busbar

Oth

er

Str

uctu

res

LV

sw

itchboard

MV

sw

itchgear

Tra

nsfo

rmer

2

L1,L

2,L

3

PE

N

PEN

3

kVA

A

kV

32



bays, and additional substation equipment

are determined by the client

fig. 11.2

Note: The UniSwitch, SafePlus and traditional switchgear allow free choice of

configuration of bays and measurement systems on the medium-voltage side

2 x KS 25-36 w

1

2

3

4

5

7

8

9

12

concrete building


MV/LV transformer





ventilation grates

base hatch

Equipment placement 3600

10501050

50

00

12

00

9

8

1

3 3

9

8

e.g. 9 line bays (375 mm), 24 kV - UniSwitch+2 x 4 bays SF6 SafeRingany SafePlus configuration5 MV bays, 24 kV – air insulated (traditional) switchgear

e.g. 2 x max. 630 kVA

11


2KS 25-36 w

e.g. 2 x RNTw – 6 (10) (12)

Substation equipment options: two-transformer substation

substation buildings

MV switchgear

LV switchboard

transformer

12

4

10

507

2

24 kV

17.5 kV

10

10 capacitor set

11 transformer room division4a4

4a bus section

6 bolts securing the two KS 25-36 w buildings together

5

6

33

fig. 12.1

EAVI 20 heads

AHH

EAVI 20 heads

AHH

L1, L2, L3

KS... w substation electrical diagram – example

17.5 (24) kV


Low

-voltage

sw

itchboard

RN

Tw

–(p

p.18-2

0)

MV

/LV

transfo

rmer

(p.21)

Mediu

m-v

oltage

sw

itchgear

(p.17)

PV

6 A

D01

6 A

D01

6 A

D01

6 A

D01

PV

AA

VV

33

MV/LV oil sealed

transformer

T 1 T 2

4x2YKXS 240 cable 4x2YKXS 240 cable

3x1YHKXS 50

EASW 20/250 heads

cable 3x1YHKXS 50 cable

EASW 20/250 heads

SIRCO

RB

L-2

RB

L-2

RB

L-2

RB

L-2

RB

L-2

RB

L-2

RB

L-2

RB

L-2

2R

BL

-2

RB

L-2

RB

L-2

RB

L-2

RB

L-2

RB

L-2

RB

L-2

RB

L-2

RB

L-2

11 22 33 44 55 66 77 88 99 1010

33

Compensation

Test energy counter

Internal load

Energy counter

RNTw RNTw

L1, L2, L3 400/230 V, 50 Hz L1, L2, L3 400/230 V, 50 HzCu 50 (80) x 10 Cu 50 (80) x 10

Cu 40 (60) x 10 Cu 40 (60) x 10

LL LL LL

kVArkVAr

AA

MP:MP:

PR:PR:

kV kV

A/5AA/5A

A/5AA/5A

1

Earthing busbar

Oth

er

Str

uctu

res

LV

sw

itchboard

MV

sw

itchgear

Tra

nsfo

rmer

kVA

kVA

SIRCO

2

3 3

2

PEN

L1

,L2

,L3

PE

N

L1

,L2

,L3

PE

N

PEN

1

Earthing busbar

Oth

er

Str

uctu

res

LV

sw

itchboard

MV

sw

itchgear

Tra

nsfo

rmer

RB

L-2

RB

L-2

1250 A

D01 D01

Internal load

34

fig. 12.2

Note: The UniSwitch, SafePlus and traditional switchgear allow free choice

of configuration of bays and measurement systems on the medium-voltage side

...the medium-voltage and low-voltage switchgear and switchboard can be equipped with mechanical locks


of medium-voltage and low-voltage

switchgear bays, and additional substation


Substation equipment options: 1000 KVA transformer – separate medium-voltage and low-voltage(power distribution company and clients) compartments

substation buildings

3600

50

00

12

00

1

10

50

6

5

2

1

2

3

4

5

6

7

8

10

concrete building


MV/LV transformer

low-voltage switchboard: RNTw – 1600 A




ventilation grates

base hatch


2KS 25-36 w

8

10

507

10

1000 kVA1000 kVA

1200

8

3

9

2 x KS 25-36 w

9 capacitor set

4

6

35

fig. 13

CustomerPower

Distribution

Company

e.g. 9 line bays (375 mm), 24 kV - UniSwitch+2 x 4 bays SF6 SafeRingany SafePlus configuration5 MV bays, 24 kV – air insulated (traditional) switchgear

1000 kVA

RNTw - 6 (10) (12)LV switchboard

transformer

MV switchgear

Equipment placement

01

fig.

KS

25-3

6w

su

bsta

tion

exte

rior

36

Exte

rior

2-3

Exte

rior

1-4

Exte

rior

1-2

Exte

rior

3-4

RO

OF

gre

yo

rb

row

nco

lou

r

RO

OF

gre

yo

rb

row

nco

lou

r

WA

LL

Ssa

nd

co

lou

r

ME

TA

LP

AR

TS

gre

yo

rb

row

nco

lou

r

TR

IMg

rey

or

bro

wn

co

lou

r

WA

LL

Ssa

nd

co

lou

r

TR

IMg

rey

or

bro

wn

co

lou

r

KS

22-3

0w

su

bsta

tion

eq

uip

men

tp

lacem

en

t

37

02

fig.

3-b

ay

Sa

feR

ing

me

diu

m-v

olta

ge

sw

itch

ge

arr

Ad

ditio

na

llo

w-v

olta

ge

eq

uip

me

nt

su

pp

ort

MV

/LV

tran

sfo

rme

r,m

ax

63

0kV

A,

dim

en

sio

ns

ma

x.

16

00

x1

03

0m

m

Tra

nsfo

rme

rm

ovin

gra

ils

Te

st

co

nn

ectio

n

Ca

ble

ba

se

ha

tch

Ea

rthin

gb

usb

ar

Te

st

co

nn

ectio

n

6-b

ay

low

-vo

ltag

esw

itch

bo

ard

WIL

KR

NTw

-6

03

fig.

KS

22-3

0w

su

bsta

tion

eq

uip

men

tp

lacem

en

t

38

Ca

ble

bu

sh

ing

s

Oil

pit

KS

25-3

6w

su

bsta

tion

eq

uip

men

tp

lacem

en

t

39

04

fig.

Ea

rthin

gb

usb

ar

5-b

ay

Sa

feP

lus

me

diu

m-v

olta

ge

sw

itch

ge

ar

10

-ba

ylo

w-v

olta

ge

sw

itch

bo

ard

WIL

KR

NT

w-1

0

Sa

fety

eq

uip

me

nt

ha

ng

er

Ca

ble

ba

se

ha

tch

Te

st

co

nn

ectio

n

Ad

ditio

na

llo

w-v

olta

ge

eq

uip

me

nt

su

pp

ort

MV

/LV

tran

sfo

rme

r,m

ax

63

0kV

A,

dim

en

sio

ns

ma

x.

16

00

x1

03

0m

m

Tra

nsfo

rme

rm

ovin

gra

ils

Te

st

co

nn

ectio

n

KS

25-3

6w

su

bsta

tion

eq

uip

men

tp

lacem

en

t

40

05

fig.

Ca

ble

bu

sh

ing

s

Oil

pit

Cab

leb

ush

ing

s

41

06

fig.

Ve

rsio

n1

Ve

rsio

n2

Ve

rsio

n3

P5

0ca

ble

bu

sh

ing

P7

0ca

ble

bu

sh

ing

HD

12

5(1

50

)ca

ble

bu

sh

ing

Th

erm

o-s

hrin

ktu

be

Th

erm

o-s

hrin

ktu

be

Th

erm

o-s

hrin

ktu

be

XP

LE

insu

late

do

rp

ap

er-o

ilin

su

late

dca

ble

XP

LE

insu

late

do

rp

ap

er-o

ilin

su

late

dca

ble

XP

LE

insu

late

dca

ble

KS

...wsu

bsta

tion

sjo

inery

fig. 0

7

42

The

KS

...wsubsta

tion

ventila

tion

gra

teK

S...

wsu

bsta

tion

se

rvic

ed

oo

r

Ca

se

me

nt-b

olt

lock

with

turn

/tilth

an

dle

Te

ch

nic

alsp

ecific

atio

ns:

1.M

ate

rial–

alu

min

ium

or

alu

zin

csh

ee

t2

.Fin

ish

co

atin

g–

po

lye

ste

rp

ow

de

rp

ain

t3

pro

tectio

n–

IP4

3G

rate

–o

nly

inth

etra

nsfo

rme

rro

om

do

or

Insect screen

Insect screen

ks w series substations - library.e.abb.com · ks... w series substations transformer substations...

Documents