POWER TRANSFORMERPOWER TRANSFORMER

HYUNDAI

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1. Production Capacity

1) Annual production capacity : 36,200MVA

2) Production capacity : up to 800MVA (3 phase)

3) Production voltage : up to 765kV

4) Factory Space : 61,000㎡

5) Manpower for Transformer factory

● 70 Engineers ● 28 Test Engineers

● 10 Development Engineers ● 390 Workers

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2. Production Range

1) Power transformer

2) Distribution transformer

3) Cast resin transformer

4) Special purpose transformer

● Reactor ● Dry type transformer

● Furnace transformer ● Mobile transformer

● Rectifier transformer

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3. Quality Assurance (ISO 9001)

1) Original Certification date : April of 1992

2) The registration covers the design, manufacturing, testing,

installation and servicing of

● Power and Distribution transformers

● Cast resin and Dry type transformers

● Special purpose transformers

● Reactors

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4. Applicable Standard

1) IEC 60076 (For Europe and Asia)

2) ANSI C57.12.00 (For America)

3) CAN/CSA-C88-M90 (For Canada)

4) AS 2374 (For Australia)

5) ES 140 (For Korea)

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5. Short Circuit Test

1) Performance record of short circuit test

NO. Specification of Transformer Test Date Type of Tap changer Customer

1 Power Transformer 3×1PH 15/20MVA 154/23/6.6kV Ynyn0(d) Apr. 1997 O.L.T.C KEPCO in Korea

2 Generating Transformer 3PH 64/85/106/119MVA 230/14.8kV YNd1 Sept. 1995 N.L.T.C PUD in USA

3 Power Transformer 3PH 45/60MVA 154/23kV YNyno(d) Nov. 1989 O.L.T.C KEPCO in Korea

4 Power Transformer 3PH 35/44MVA 154/23kV YNd1 Nov. 1986 O.L.T.C Inchon Iron & Steel

in Korea

5 Distribution Transformer 3PH 10MVA 22/6.6kV YNynod(d) Dec. 1986 O.L.T.C PUB in Singapore

6 Power Transformer 3PH 20/26MVA 132/11.5kV Dyn11 Oct. 1985 O.L.T.C WAPDA in Pakistan

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2) Tested by Korea Electro-technology Research Institute.

3) Details of PUD transformer

◆ Customer : Public Utility District No.1 of Chelan County in U.S.A

◆ Project : Replacement for Rocky Reach Dam TR.

◆ Transformer Rating

● 3phase 60Hz 119MVA 14.8/230kV Step-up Transformer

● Basic impulse level of HV : 900kV

● Standard : ANSI C57.12.00

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4) Picture of Short circuit test

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6. Development of Transformer

1) 765kV Transformer◆ 1PH 60Hz 2×333.3MVA 765/345kV

OLTC type Auto transformer (Bil : 2050kV) : 1998

◆ 1PH 60Hz 204MVA 20.9/765kV NLTC type Step-up transformer (Bil : 2050kV) : 1999

◆ 1PH 60Hz 370MVA 765/345/23kVNLTC type Auto transformer (Bil : 2050kV) : 1999

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◆ 765kV 370MVA Auto Transformer under test

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2) Gas Insulated Transformer◆ 1PH 60Hz 20MVA 154/23kV OLTC type (1999)

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3) 154kV Mobile Transformer (“H” Class insulation)◆ 3PH 60Hz 40MVA 154/23kV◆ Weight : 40 Ton, ◆ Size(m) : L8.6 x W2.9 x H3.9

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7. Major Customer And Performances

1) North America (1)

Country Customer Rating of Transformer Alumnium Company of America 161/13.8kV, 93MVA

Los Angeles Department of Water and Power 230/70kV, 360MVA

Chelan County 230/14.8kV, 119MVA

Black & Veatch 345/22kV, 417MVA

General Electric Company 138/13.8kV, 125MVA

Baltimore Gas & Electric 69/13.8kV, 90MVA

Transmission Agency of Northern California 525/230kV, 367MVA

Georgia Power 500/18/18kV, 390MVA

Siemens Westinghouse Power Corp. 500/16kV, 260MVA

Southern California Edison 225/70.5kV, 250MVA

Colorado River Commission of Nevada 230/69kV, 200MVA

Sacramento Municipal Utility District 230/69/13.8kV, 200MVA

U.S.A

Duke Fluor Daniel 356/18kV, 292MVA

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1) North America (2)

Country Customer Rating of Transformer Babcock & Wilcox Engineering 138/15.5kV, 160MVA

Lower Colorado River Authority 138/22.8kV, 490MVA

Puget Sound Energy 230/117.8kV, 325MVA

City of Tacoma 115/13.8kV, 56MVA

National Electrical System Inc. 115/13.2kV, 115MVA

New York Power Authority 230/13.2kV, 86MVA

U.S.A

Parsons Energy & Chemicals 230/18kV, 262MVA

British Columbia Hydro & Power Authority 512.5/242/25.2kV, 500MVA

Richmond Hill Hydro 212.5/2×28kV, 125MVA

Manitoba Hydro Power 230/115/13.8kV, 250MVA

Alberta Power Ltd. 144/25kV, 50MVA

Stone & Webster Canada Ltd. 243/2×13.8kV, 171MVA

Transalta Utilities 260/72kV, 224MVA

Agra Monenco/Aurora Mine 260/72kV, 116.2MVA

Canada

ATCO Power 260/26.5/13.2kV 150MVA

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8. Major Manufacturing & Testing Equipment

1) Step-lap cut-to-length M/C 3) Overhead Crane ● 50∼1200(W) × 5000(L) ............. 2 ● 120Ton, 22.5m(H) ......….. 2● 80∼ 640(W) × 3600(L) .............. 1 ● 100Ton, 10.1m(H) .....…... 1

● 80Ton, 10.1m(H) ......…... 1

2) Vapour phased autoclave 4) Testing capacity ● 15000(L)×4800(W)×7000(H) ...... 1 ● Basic impulse level : 4800kV● 12500(L)×4500(W)×6200(H) ...... 1 ● Power frequency test : 700kV● 10000(L)×6000(W)×6300(H) ...... 1● 8000(L)×4200(W)×5200(H) ..….. 1● 8000(L)×4000(W)×5400(H) ..….. 1

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New Transformer Factory

1. Outline 1) Start to build : October of 1998 2) Completion date : August of 19993) Factory size : L130×W40×H35 (m)

2. Production Capability of New Factory 1) Annual Production Capability : 8,200MVA (Total 36,200MVA) 2) Production Capability : Up to 800MVA3) Production Voltage : Up to 765kV (BIL : 2050kV)

3. Major Manufacturing & Testing Equipment 1) Vapour phased autoclave : L13000×W5000×H70002) Overhead crane

● 300Ton, 22m ● 30Ton, 15m 3) Testing capability

● Basic impulse level : 4000kV (Haefely/Switzerland)● Power Frequency test : 1000kV (High volt/Germany)

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1) Customer : British Columbia Hydro in Canada

2) Year of delivery : 1994

3) Auto Transformer Specification (2 sets)

● Rating : 3PH 304/340/500MVA, OA/FOA/FOA

● Rated Voltage : 515/242/25.2kV

● BIL Test Voltage : 1550/850/150kV

● Total / transportation : 360Ton / 222Ton

● Overall dimension : L19 ×W7 × H11 (m)

● Transportation dimension : L12.8 ×W3.6 × H4.5 (m)

9.1 500kV Transformer

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● 500kV Transformer for BCHP of Canada

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1) Customer : Korea Electric Power Corporation (Dang-Jin TPP)

2) Commercial Operation : June, 2000

3) Generator Step-up Transformer (7 sets)

● Rating : 3 x 1PH 204MVA, FOA, NLTC

● Rated Voltage : 20.9/765kV

● BIL Test Voltage : 150/2050kV

● Total / transportation : 250Ton / 170Ton

● Overall dimension : L8.8 ×W6.2 × H11.8 (m)

● Transportation dimension : L6.0 ×W4.7 × H5.5 (m)

9.2 765kV Transformer

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4) 765 – 345kV Tie Transformer (4 sets)

● Rating : 3 x 1PH 370MVA, FOA, NLTC

● Rated Voltage : 765/345/23kV

● BIL Test Voltage : 2050/1050/150kV

● Total / transportation : 290Ton / 190Ton

● Overall dimension : L9.7 ×W8.2 × H6.9 (m)

● Transportation dimension : L8.8 ×W4.3 × H4.9 (m)

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● 765kV Generator Step-up Transformer