14 section-d-a1 data sheets

8/13/2019 14 Section-D-A1 Data Sheets

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CE(GSW)/SPV/BELAKAVADI SOLAR PV POWER PLANT SECTION-DDATA SHEETS-A1

I SOLAR ARRAYS

1 Installed Capacity 5 MWp - Grid interactive

2 Type of SPV module Mono/ Multicrystalline

3 Rating of SPV module Minimum 200 wp

4 PCU(Inverters) Highly efficient as specified

(Section- D)5 SCADA for diagnosing & monitoring As per latest technology

6 Schematics and layout drawings As specified(As per drawing)

7 Total capacity of modules to be installed 5.25MW (50KW extra for each MW)

8 Array rating 250 kw

9 HT Transformers 1.25 MVA and 6.3 MVA

10 Area required 25 acres

11 Minimum Annual energy generation 8.322 mu(19% CUF)

II MOUNTING STRUCTURE

1, Type Ground Mounting-Fixed Type

2 Material Mild Steel

3 Overall dimensions Design As suitable

4 Coating Dip (galvanized)/Anodized Hot

5 Wind speed rating 150 Km/hr.

6 Tilt angle 15 degree (as required)

7 Foundation PCC (1:2:4)

8 Number of Module structure Adequate

9 Fixing type SS 304 fasteners

III POWER CONDITIONING UNIT

I Input Data

1 Max PV power (recommended) 250 kWp

2 DC voltage range 450 820 V3 Max permissible DC voltage 900 V

4 Max permissible DC current 591 A

II Output Data

1, Nominal Ac power 250 kW

2 Operating grid voltage -20% TO 15%

3 Utility type 4 wire

4 Operating frequency grid 50 Hz +OR 3%5 Voltage ripple PV voltage < 3%

6 Efficiency 95 % AND ABOVE

IV LT INTERFACING PANEL As per the Specifications in section D

V

a) Normal system voltage 11kV

b) Corresponding highest system voltage 12 kV

c) Frequency 50 Hz ( + 3%, - 5%)

d) N umber of phases 3

e) Neutral earthing As per requirements

f) Class indoor/outdoor outdoor

11KV SWITCHGEAR CUBICLE

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g) Rated short circuit withstand of the panels As per requirements

Free standing, Floor mounted,

metal clad, fully compartmenta-

lized draw-out type

h) Switchgear

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VI 11 KV CIRCUIT BREAKER DETAILS

a) SF6 / Vacuum circuit Breaker re-strike

free, trip free, stored energy operated

and with electrical anti-pumping features

Draw out type

b) Number of poles 3

c) Rated voltage 12 kVd) Rated normal current As per system requirements

e) Rated frequency 50 Hz + 3%/-5%

f) Rated short circuit breaking current As per requirements

g) Rated short time As per requirement

h) Rated Operating Duty 0-3 min co 3 min - coi) Rated insulation level rated/min. power

frequency withstand voltage (Rms value)

28 kV

j) Rated lightning impulse withstand voltage

(peak value)

75 kV

k) Rated duration 1 second short circuit

110 V DC Control supply closing

and opening 230 V AC Aux

m) Supply devices & auxiliary circuits out

door type

Class indoor/outdoor

n) No. of Auxiliary contacts 4No+4NC Contacts

o) Current transformers rated Insulation

level28 kV frequency withstand

voltage (rms value)

75 kV impulse withstand

voltage (peak value)

p) Class of insulation Class E

q) Instrument Safety Factor(ISF) less than 3

r) Minimum creepage 25 mm/kV of highest system voltage

distanceC.T. details

i) Ratio- Primary : As per requirement (Refer Section-D)

-Secondary

t) Class of Accuracy

i) Core I 1.0

ii) Core II 5P20

u) Purpose of each corei) Core I Metering

ii) Core II Protection

v) Burden

i) Core I 30 VA

ii) Core II 30 VA

VII 11 kv ISOLATORS REFER SECTION D

ii) Rated lightning

l) Rated supply voltage

i) Rated/min power

s)

Note: CTs shall be of reputed make with proven experience.

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VIII 11 KV POTENTIAL TRANSFORMERS

1

a, Rated/min power 28 kV frequency withstand

voltage(rms value)b. Rated lightning 75 kV impulse withstand voltage (peak

value)2 Class of insulation Class E

3 Rated voltage factor 1.2 continuous & 1.9 for 30 seconds

4 Clear height of bushing 370 mm

5 Minimum creepage 25 mm/kV of highest system voltage

distance6 Applicable standard IS: 3156

7 PT details

8 Rating 11KV/ 3 / 110V/ 39 Burden 100 VA

10 Class of Accuracy 1.0/3P

11 Purpose Metering & protection

12 Connection Star/Star

Note :

IX

X 1250 KVA TRANSFORMER

Designation step up transformer

1, Installation outdoor Out door

2 Degree of protection as per IP 55 IS:2147

3 Rating in KVA 1250KVA

4 Number of Phases 3 Phase

5 Frequency 50 Hz

6 Type of cooling ONAN

7 No-load voltage

8 a) HV 11000V

9 b) LV 415V

10 Vector group Dyn1111 % impedance 5

12 System voltage

Nominal system voltage

a) HV 11000 V

b) LV 415V

TEMPERATUE RISE

1, Reference ambient 40oc

2 Oil by thermometer 35oc

Rated Insulation level.

i) Potential transformers shall be single phase units. PTs shall be of reputedmake with proven experience.

ii) Each secondary shall be protected by 3 Amps. HRC fuse.

Details of auxiliary supply for operation/control, protection, alarm,

indication etc.DC supply - 110Volts +10% / - 15%

AC supply 415 Volts + or-10% Three phase 4 wire system

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3 Winding by resistance method 40oc

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TAP CHANGING GEAR

1, Taps ( Off load) : Required

2 Tappings on windings: HV

3 Total tappings range: 5%

4 Steps 2.50%

1, Dial type thermometer with two contacts

for oil tempr.

Required

2 Magnetic oil level gauge with low oil level

alarm contacts

Required

3 Gas and oil actuated ( i.e. Bucholz ) relay Required

4 Gas sampling device Required

5 Winding temperature indicator Required

6 Off circuit tap changing mechanism

valves

Required

7 Four plain rollers in place of fixing

channels

Required

XI

1

1.1 Application / Designation Neutral Grounding Resistors

1.2 Type & Quantity a. Cast Grid

b Wire wound

1.3 . Installation Outdoor/Indoor OUTDOOR

1.4 Enclosure Tank Type, Weather proof with

Aluminium covers2 RATING

2.1 Rating KW: As suitable2.2 Ohmic Value As suitable

2.3 Taps % 50,25

2.4 Rated Current in Amps As suitable

2.5 Duration of rating CONTINUOUS

2.6 Voltage Class V Bidders to specify

3

suitable for conductor of

3.1 Material GS

3.2 Size As suitable

XII DC BATTERIES

XIII

1 Co2 cylinder(Big size) 25 Nos.

3 sets of 110 VOLTS Batteries each 100 AH capacity of Plante make.

Each set conisting of One main and one Stand by Battery bank with 1 nos each

of float and boost chargers confirming to standards as detailed in section

D.One set to be installed for each inverter room.

GENERAL

Resistor earth, bushing terminal

OTHER FITTINGS REQUIRED FOR 1250 KVA TRANSFORMER

NEUTRAL GROUNDING RESISTOR FOR TRANSFORMERS

FIRE FIGHTING EQUIPMENTS: 1 set consisting of following:

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2 Sand buckets 30 Nos.

3 Foam type fire extinguishers 20 Nos.

4 Dry chemecal powder type extinguishers 20 Nos.

5 Smoke sensors 20 Nos.(for control rooms)

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XIV

1Solar yard lights along pepiphery on poles

sodium vapour lamps70 Nos.

2

Control room, office, Amphitheater, Toilet,

Building illumination(24Watts CFL) Quantity as per building design

3

Yard Flood lights

3 nos

4ODY illumination - Sodium Vapour lamps

20 Nos.

XV

1

Suitable software and adequate database

with suitable memory for all parameters

of the plant

1 set

2Computers/ servers of latest version

(Branded make ) with accessories 3 Nos.

3 Laser Jet colour Printer-A3 2 Nos

4Devices for web based communication

system As required

5 LAN networking As required

6 UPS As required

XVI 6300 KVA, 11/66 KV TRANSFORMER

Sl.No. Technical Particulars

1 Type Out door/Step Up2 No. of windings Two

3 No. of Phases Three

4 System frequency 50 Hz+3%& - 5%

5 a) Rating of HV winding 6.3 MVA

b) Rating of LV winding 6.3 MVA

6 a)Low Voltage Winding 11 kV

b)High Voltage Winding 66 kV

7 a) H.V. Winding Star

b) L.V. Winding Delta

c) Neutral Effectively earthed.

8 Vector Group YNd11

b)H.V. Terminals : 72.5 kV OIP condenser type bushing

suitable for Lynx ACSR conductor

c) H.V.Neutral Bushing of suitable rating, solid

porcelain type

10 a) High Voltage Winding Graded insulation

b) Low Voltage Winding Uniform insulation

12 KV Solid Porcelain bushings.

Bushings shall be suitable for

connecting 11 KV XLPE cables.

ILLUMINATION SYSTEM: 1 set consisting of following:

9 a) L.V. Terminals :

SCADA SYSTEM: 1 set consisting of following:

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11 Type of cooling ONAN

12 Impedance Voltage at normal tap 8.35%

13 Insulating Medium Mineral Oil (as per IEC:60296 and bid

specification)

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14 Tap changing gear Details

A Type OCTC on HV side

B Tapping range as % of off load Rated

KVA

+/- 5 % (5 Steps of 2.5% each tap)

C No. of tapping 5 Steps of 2.5% (including normal)

XVII 200 KVA, 11/0.440 KV AUXILIARY TRANSFORMER

Sl. No. Technical Particulars

1 Type Indoor/ Outdoor/Step-down

2 No. of windings Two

3 No. of Phases Three

4 System frequency 50 Hz+3%& - 5%

5 Rating 200KVA

6 a) HV Voltage 11kV

b) LV Voltage 0.440kV

7 a) HV Winding Delta

b) LV Winding Star c) Neutral Effectively earthed

8 Vector Group Dyn11

9 Type of cooling AN

10 Impedance Voltage at normal tap 4.50%

11 Tap changing gear

a) Type Off circuit

b) Tapping range as % of off load Rated

KVA

-5% to +5% in steps of 2.5%

12 Power frequency withstand voltage for 1

minute

For HV winding 28kV rmsFor LV winding 3kV rms

For HV winding 75kV peak

For LV winding NA

14 Insulation Class F

15 The maximum permissible temperature

rise over maximum ambient temperature

of 40oC

a) Winding (measured by resistance

method)

90C

b) Core, metallic parts and adjacent

materials

The temperature shall in no case reach

a value that will damage the core itself,

other parts or adjacent materials

16 Terminal connections

HV terminals HV terminals shall be suitable for 11 kV

bus

13 Rated lightning impulse withstand voltage

for 1.2/50 microsecond

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LV terminals The LV terminals shall be suitable for

PVC / XLPE cables

17 Insulation grading HV & LV winding shall be uniformly

insulated18 Ability to withstand short circuit & duration

of short circuit

According to IS 2026/ IS:11171

19 Overloads According to IEC:60905

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XVIII 66 KV POTENTIAL TRANSFORMER

Sl. No. Technical Particulars

1 Rated voltage 72.5 kV

2 Rated frequency 50 c/s

3 Accuracy class of Winding as required

4 Voltage ratio 66 kV/3/110V/35 Grade of oil As per IS: 335

6 Maximum phase angle error with 25%

and 110% of rated burden at 0.8 p.f.

lagging at any voltage between 80% and

120%

40 min.

7 Temperature rise at 1-1 times rated

voltage with rated burden (OC)

As per IS: 3156

8 Rated voltage factor & time (based on

system studies)

Continuous 1.2 ; 30 seconds-1.5

i) 1 minute power frequency (wet/dry) :

140 kV r.m.s. withstand test voltage (Asper IS: 3156)ii) 1.2/50 micro seconds impulse wave :

325 kV (Peak) withstand test voltage

11 Minimum creepage distance of bushings 1815 mm

XIX 66 kV CIRCUIT BREAKER

1 Number of poles 3

2 Class Out Door Type

3 Nominal System Voltage 66 kV

4 Rated Voltage 72.5 kV

5 Rated Insulation Level 350 kV(peak)

6 Rated Frequency 50 Hz

7 Rated normal current 1600 Amps.

9 Rated Cable Charging breaking current 140 Amps

10 Rated S.C. breaking current 31.5 kA11 First pole to clear factor 1.5

12 S.C. making current 79 kAP

13 Rated Operating Sequence O-0.3sec-CO-3min.-CO

14 Duration of short circuit 3 sec.

15 Rated out of phase breaking current 7.9 kAmps

16 Automatic rapid re closing 3 Ph.

9 Insulation Level (based on system

insulation coordination)

2 kV10 One minute power frequency withstand

test voltage on secondaries

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17 Total break time for any current up to the

rated breaking current with limiting

conditions of operating coil voltage,

operating &quenching media pressures.

< 60 ms

18 No. of auxiliary contacts for purchasers

use

10 NO & 10 NC on each pole

19 System neutral earthing Effectively earthed

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Closing time(max.)


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3 Rated frequency 50 Hz


5 Installation Out door

6 Type of disconnect Horizontal double break

7 Number of poles 3

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8 Rated normal current 1600 Amps

9 Rated short time with-stand current (KA

rms)a) For 1 sec 31.5

b) For 3 sec 31.5

10 Rated peak withstand current for both

main and earth switch (KA) peak

78.75

11 Rated insulation level 1.2/50 micro

second lightning impulse withstand

voltage (kV) peaka)between live parts and ground 325 (kV)peak

b)across the open terminal of the same

phase

375 (kV) peak

One minute dry/wet power frequency

withstand voltage for complete

assembled isolator /isolator cum earthing

switch.a) against ground (kV) rms 140

b) across terminals of open isolator (kV) rms

160

Minimum clearance in open air (mm)

a) Between phases 1000

b) Live parts and ground 700

Rated mechanical terminal load

a) Straight load (KGS) 51

b) Across load (KGS) 17.33

16 Operating mechanism Motor operated

17 Operating time 10 12 secParticulars of insulators

a)Creepage distance (mm)

i)Total 1815

ii) Protected At least 50% of total Creepage distance

b)Dielectric strength wet : 140

dry : 160

i)Minimum one minute power frequency

withstand voltage (kV)rms

325

No. of auxiliary switch contacts 10 nos. each

(NO , NC )

XXI 66 KV CURRENT TRANSFORMER

Sl. No. Particulars

1 Nominal system voltage 66 KV

2 Rated Voltage 72.5 KV

3 Rated frequency 50 Hz


12

13

14 0.5 Amps

15

18

19

Rated magnetizing current/ capacitive

current make/break capacity

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5 Installation Out door

6 Rated short circuit current 31.5 KA

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Rated insulation level

i)Impulse With stand voltage 350 KVP

ii)1 minute power frequency

withstand voltage

160 KV rms

8 Cont. Current Rating 120% of rated primary current

Description Core 1 Core -2 Core 3

1 Ratio 150-100-75-50/1

2 Rated primary current 50 50 50

3 Rated sec. current 1 1 1

4 Purpose Protection Protection Metering

5 Adopted ratio 75/1 75/1 75/1

6 Accuracy Class 5P20 PS 0.2

7 Rating of VA burden 20 20

8 Min Knee point voltage

9 RCT @ 75 deg cen

10 ISF


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XXIII ACSR conductor

Sl. No Code Name ACSR Lynx

1 Complet dia of the conductor Stranding in

mm

19.53

2 Aluminium

Number 30

Dia of Each 2.79

3 Steel

Number 7

Dia of each strand 2.79

Minimum ultimate tensile strength (kG) 7945

Greasing required Yes/No NO

4 SYSTEM DATA

Voltage (kV) 110

No. of Phases & 3

Frequency (Hz) 50

Ambient Temp.(oC) : 50

Continuous Current Of the conductor 475

Short Time Current per Sub-Conductor 31.5

Seconds 1

XXIV

1 PV Modules Required Nos.

2 Inverter- power rating 10KW 1 Nos

3 Battery Bank- 12 Volts, 150 AH,20 cells 1 set

4 Charge Controller 1 Nos.

XXV

A PV Modules

1 Solar PV Modules of 230W capacity 125 Nos.

2 Junction Boxes 5 Nos.

3 Terminal Boxes 120 Nos.

B Power Conditioning Unit

1 Main Unit AFC 500-48 3 Nos.2 Main Contactor 3 Nos.

3 Power supply unit 3 Nos.

4 Axial ventilator 3 Nos.

5 Rotary operating mechanism 3 Nos.

6 Over voltage protection 3 Nos.

7 PV Fuses 25 Nos.

10KW System- One set shall consist of

ESSENTIAL SPARES : 1 set shall consist of following items and during 3

year O&M period any additional spare required shall be supplied with no

extra cost.

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C 6300 MVA Transformer

1 HV Bushing. 1set of 3 Nos.(One for each phase)

2 Neutral bushing. 1 No.

3 LV cable box complete with bushing- 1 set

4 Gaskets 1 set

5 Silical gel breather 1 No.

6 Buchholz relay 1 No.7 MOG 1 No.8 WTI with repeater 1 No.

9 OTI 1 No.

10 NCT 1 No.

11 Contacts of OFF circuit tap switch2 Set (Both fixed and moving contacts

suitable one phase)

12 Pressure relief device 1 No.

D Breaker1 Spare pole with operating mechanism 1 No.

2 Closing coil 4 Nos

3 Tripping coil 4 Nos

4

Spring charging motor for spring charging

mechanism1 No.

5

Gaskets & o ring for one set of 3 polebreaker

1 set

6

Gas filling unit comprising regulator with

manometer and necessary coupling hose

for filling of SF6 gas

1 No.

E Isolator

1 Fixed contact assembly 6 Nos. (1 set)

2 Moving contact blade 3 Nos.3 Closing contactor 2 Nos.

4 Opening contactor 2 Nos.

5 Operating motor 1 No

6 Solid core insulators 9Stacks(1set)

F Control and Protection panel

1 Numerical integrated multifunctionalTransformer protection relay

1 No.

2 Numerical O/C & E/F transformer protection relay

1 No.

3 Numerical E/F transformer protectionrelay

1 No.

4 High speed trip relay 1 No.

5 Breaker trip coil supervision relay 1 set

6High speed trip relay coil supervision

relay1 set

7 Auxiliary relay 1 each type

8Contact multiplication relay for Breaker

and Isolator1 each type

14 section-d-a1 data sheets

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