transformer 090128

Electro Electric Systems 1

Electro Electric Systems

Power Transformers


Contents

1. Production Capacity & Manpower

2. Production Range

3. Production History

4. Research & Development Framework

5. Manufacturing Process

6. Major Manufacturing & Testing Facilities

7. Performance Record of Power Transformer

(above 1300kv BIL)


1) Annual Production Capacity : 100,000MVA

2) Production Voltage : up to 800kv

3) Production Capacity : up to 1,300MVA (3 phase)

4) Factory Space : 53,000 ㎡ (570,000ft²)

5) Manpower for Transformer Factory

▶ 78 Design Engineers (and 17 drafters & general affairs)

▶ 960 Workers

▶ 30 Test Engineers

▶ 15 R & D Engineers

Production Capacity & Manpower


Production Range

1) Oil Immersed Power transformer

2) Distribution transformer (Below 36kV, 30MVA)

3) Cast resin transformer (Up to 36kV, 10MVA)

4) Reactor

5) SF6 Gas Insulated Power Transformer

6) Special purpose transformer

▶ Phase shift transformer

▶ Furnace transformer

▶Mobile transformer


Distribution TransformerPower Transformer

Traction TransformerShunt ReactorCast Resin Transformer


SF6 Gas Insulated Power Transformer 1PH 60Hz 20MVA 154/23kV OLTC

Mobile Transformer 3PH 60Hz 40MVA 154/23kV


Regional Distribution of Annual Production MVA

ASIA (3.0%)

Year of 2008Year of 2008

NORTH AMERICA (46.1%)

MIDDEL EAST (28.1%)

KOREA (13.5%)

EUROPE (3.5%)

OTHERS (5.1%)

Year of 2007Year of 2007

NORTH AMERICA (38.8%)

MIDDEL EAST (31.6%)

KOREA (14.3%)

EUROPE (3.4%)

OTHERS (5%)

ASIA (6.9%)


765 kV

1997

Annual Produced MVAVoltage class vs. Develop Year

154kV

1978

345kV220kv

1979

400kV

1985

500kV

1993

Production History

40,200

61,400

67,800

25,900

36,900

2004 2005 2006 2007 2008


Electro Mechanical Research Institute -Electro Magnetic Analysis -Thermal & Fluid Analysis

Industrial Research Institute -Material -Mechanical strength

Maritime Research Institute -Vibration & Noise

Research & Development Framework

Hyundai Technologies CenterHungary Ltd.

VIT(Ukraine Transformer Research Institute)

Technology Development

Center


RADIATORTANK / COVERCLAMPCOREINSULATIONCOIL

CORE/COILASSEMBLY

MANUFACTURE MANUFACTURESLITTING/CUTTING

PRE-TREATMENT PRE-TREATMENT PRE-TREATMENT

1 3 4 6 8

WINDING LAMINATION PAINTING PAINTING

INSIDE COATING

SIZING/DRYING 5 7 9

102

PAINTING/DRYING

11

DRYING

TANKING

12

FINAL ASSEMBLY

OIL FILLING

13

TEST 14FINAL

PAINTING 15 PACKING DELIVERY

OLTC, NLTCLEAD CONNECTION

BUSHING, BCT,ACCESSORIES

: MANUFACTURING PROCESS

: HOLD & CHECK POINT

LEGEND

Manufacturing Process


1) Lightning Impulse Test System : 4000 kV / 600 kJ

2) AC Voltage Test System : 1200 kV, 4 A

3) Partial Discharge Measuring Equipment : PD detector, RIV meter

4) Condenser Bank : 3φ158kV, 225 MVAR

5) M/G Set : 1500kW Motor, 23MVA Generator

6) Auxiliary Transformer : 3φ100MVA 6.6/100-250 kV

7) Sweep Frequency Response Analyzer : Doble M5100

8) Over-Head Crane (heaviest) : 2 x 300 Ton, 23m(H)

600 Ton Transporter

9) Vapor phase Drying Plant (max.) : L 13.8 x W 5.8 x H 7.2

Major Manufacturing &Testing Facilities


Pictures of Major Testing Equipment

LightningImpulse Tester

Condense Bank

AC Voltage

Tester

Frequency Response Analyzer :M5100


Winding Manufacturing Shop

Temperature Humidity Control Equipment

Core & Coil Assembly Shop Entrance

Air Shower

Air Shower

Room Temperature : ≤28℃Maximum Humidity : ≤ 65%Particles : ≤ 100,000 EA/ft³(≤ 0.5μm)

Clean Room Facilities


Moisture Content ≤ 0.5%

Insulation Material

Moisture Content ≤ 10 ppm

Insulation Oil

Vapor Phase Drying Plant Breakdown Voltage ≥ 60 kv

Particle Count Class 4 NAS 1638


400kV New Factory

Factory Space : W106 x L120 x H36[m] (12,300 ㎡ )

Establish Date : Nov. 25. 2008


Facilities of the 400kV New Factory

Overhead crane: 2 x 250 tonsVapor phase Drying Plant : 4units

W5.8 x L13.8 x H7.2[m]

Dustproof SystemAir Transporter : 2 x 300 tons 400kv Test Facilities


1) Middle East & Asia

Country

Customer(Application) Q’ty CapacityRated

VoltageDelivery

IragState Organization of Electricity(SOE)(Super Grid 400kv Substation)

52 1PH 83.3MVA

400/138.6/11㎸

( 1300 ㎸ BIL )

1986,7,8

UAE

SIEMENS-KWU/ADWEA(AL-TAWEELAH PROJECT)

3 3PH 190/280MVA15.75/420 ㎸

(1425 ㎸ BIL)1999

1 3PH 228/340MVA10.5-

10.5/420 ㎸(1425 ㎸ BIL)

1999

DEWA (JEBEL ALI “D” POWER)

33PH 137.8/176MVA

15/450 ㎸( 1425 ㎸ BIL

)2001

KOREA

Korea Electric Power Corporation(Dang-Jin TPP)

7 1PH 204MVA 20.9/765 ㎸

( 2050 ㎸ BIL )

1999/2000

4 1PH 370MVA 765/345/23 ㎸( 2050 ㎸ BIL

)1999

Korea Electric Power Corporation (Shin- Soesan substation)(Shin-Gapheung substation)(Shin-Ansung substation)

7186

1PH 667MVA 765/345/23 ㎸( 2050 ㎸ BIL

)

200020022004

Performance Record of Power Transformer (above 1300kv BIL)


2) South & North America(1)

Country Customer(Application) Q’ty Capacity Rated VoltageDelive

ry

Colombia

Interconexion Electrica S.A. E.S.P (ISA) (BM75)

31PH

90/120/150MVA

500/230/34.5㎸

( 1550 ㎸BIL )

1997

Interconexion Electrica S.A. E.S.P (ISA) (TPS-202)

31PH

90/120/150MVA

500/230/34.5㎸

( 1550 ㎸BIL )

1997

CanadaBritish Columbia Hydro andPower Authority (BCHP)

23PH

305/400/500MVA

512.5/242/25.2 ㎸ ( 1550 ㎸

BIL )1994

USA

Zachry Construction Corporation(GEORGIA GENERATING PROJECT)

2+13PH

234/312/390MVA

18-18/500 ㎸( 1425 ㎸

BIL )

2000,1

SIEMENS-WESTINGHOUSE(BIG SANDY PROJECT)

23PH

126/168/210MVA

16/525 ㎸( 1425 ㎸

BIL )2001

13PH

156/208/260MVA

16/525 ㎸( 1425 ㎸

BIL )2001

OREGON TRANSMISSION LINE(TRACY SUBSTATION)

31PH

170/226/283MVA525/30/34.5KV(1425 KV BIL)

2001


- Continuance -

Country Customer(Application) Q’ty Capacity Rated VoltageDeliver

y

USA

TRAC-10(HOT SPRINGS COUNTY PROJECT)

23PH

169/225/281MVA16/525KV

(1550KV BIL)2002

13PH

187/249/312MVA16/525KV

(1550KV BIL)2002

GILBERT/TENASKA(FLUVANNA GEN. S/S PROJECT)

3

3PH 115/153/192MVA=>55(65:215MVA

)℃

18/525KV(1425KV BIL)

2003

1

3PH 265/353/442MVA=>55(65:495MVA

)℃

22/525KV(1425KV BIL)

2003

TRAC-10(CHOCTOW GAS PROJECT)

23PH

169/225/281MVA16/525KV

(1550KV BIL)2003

13PH

187/249/312MVA16/525KV

(1550KV BIL)2003

Southern California Edison(SCE)(VALLEY S/S)

13PH

336/448/560MVA

525/120/13.8KV

(1550KV BIL)2004


SOE Super Grid / Iraq

1PH 400/138.6/11KV 83.3MVA

Auto-Transformer

1986~1988 / 52 units

400kV Transformer 400kV Transformer

Description

Rated Voltage (kV)

Rating

H.V M.V L.V

400 138.6 11

Rated Capacity (MVA)H.V M.V L.V

50/66.7/83.3 50/66.7/83.3 15/20/25

Tap Changer type ON Load Tap Changer

Cooling System OA / FA / FOA

Insulation Level (kV)1,300 550 110 110

H.V M.V Neutral L.V

Winding Connection (YNa0d1)


Description

Rated Voltage (kV)

Rating

H.V M.V L.V

512 242 25.2


305/400/500 305/400/500 75/84/123

Tap Changer type Off Circuit Tap Changer



H.V M.V Neutral L.V

Winding Connection YNa0d1

BC Hydro / Canada

3PH 512/242/25.2KV 500MVA

Auto-Transformer

1994 / 2 units



Tracy SS / USA

1PH 525/230/34.5kV

283 MVA

Auto-Transformer

2001 / 3 units

Description

Rated Voltage (kV)

Rating

H.V M.V L.V

525 230 34.5


283 283 47

Tap Changer type Off Circuit Tap Changer



H.V M.V Neutral L.V

Winding Connection (YNa0d1)



Tenaska Power / USA

3PH 18/525kV 215 MVA

3PH 22/525kV 495 MVA

GSU Transformer

2003 / 3+1 units

Description

Rated Voltage (kV)

Rating

H.V L.V

525 18

Rated Capacity (MVA)

Tap Changer type Off-Circuit Tap Changer

Cooling System ONAN/ONAF/ONAF

Insulation Level (kV)1425 150 150

H.V H.V.N L.V

Winding Connection YNd1

H.V L.V

115/153/192(215) 115/153/192(215)



(1) 1PH 765/20.9kV 204 MVA GSU Transformer (7units/1999-2000) 765kV Transformer 765kV Transformer


(2) 1PH 765/345/23KV 370MVA Tie-Transformer (4units / 1999)



(3) 1PH 765/345/23KV 667(2x333.3)MVA Auto-Transformer



765KV 370MVA Transformer under testing


Manufacturing flow chart


Thank you very much.

transformer 090128

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