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POWER TRANSFORMER POWER TRANSFORMER

HYUNDAI

1. Production Capacity

1) Annual production capacity 2) Production capacity 3) Production voltage 4) Factory Space 5) Manpower for Transformer factory 70 Engineers 10 Development Engineers

: 36,200MVA : up to 800MVA (3 phase) : up to 765kV : 61,000

28 Test 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 Furnace transformer Rectifier transformer Dry type transformer Mobile 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 2) ANSI C57.12.00 3) CAN/CSA-C88-M90 4) AS 2374 5) ES 140

(For Europe and Asia) (For America) (For Canada) (For Australia) (For Korea)

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5. Short Circuit Test 1) Performance record of short circuit test

NO. 1 2 3 4 5 6 Specification of Transformer Power Transformer 3 1PH 15/20MVA 154/23/6.6kV Ynyn0(d) Generating Transformer 3PH 64/85/106/119MVA 230/14.8kV YNd1 Power Transformer 3PH 45/60MVA 154/23kV YNyno(d) Power Transformer 3PH 35/44MVA 154/23kV YNd1 Distribution Transformer 3PH 10MVA 22/6.6kV YNynod(d) Power Transformer 3PH 20/26MVA 132/11.5kV Dyn11 Test Date Apr. 1997 Sept. 1995 Nov. 1989 Nov. 1986 Dec. 1986 Oct. 1985 Type of Tap changer O.L.T.C N.L.T.C O.L.T.C O.L.T.C O.L.T.C O.L.T.C Customer KEPCO in Korea PUD in USA KEPCO in Korea Inchon Iron & Steel in Korea PUB in Singapore 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 765/345/23kV NLTC 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

Alumnium Company of America Los Angeles Department of Water and Power Chelan County Black & Veatch General Electric Company Baltimore Gas & Electric U.S.A Transmission Agency of Northern California Georgia Power Siemens Westinghouse Power Corp. Southern California Edison Colorado River Commission of Nevada Sacramento Municipal Utility District Duke Fluor Daniel

Rating of Transformer

161/13.8kV, 93MVA 230/70kV, 360MVA 230/14.8kV, 119MVA 345/22kV, 417MVA 138/13.8kV, 125MVA 69/13.8kV, 90MVA 525/230kV, 367MVA 500/18/18kV, 390MVA 500/16kV, 260MVA 225/70.5kV, 250MVA 230/69kV, 200MVA 230/69/13.8kV, 200MVA 356/18kV, 292MVA

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1) North America (2)

Country Customer

Babcock & Wilcox Engineering Lower Colorado River Authority Puget Sound Energy U.S.A City of Tacoma National Electrical System Inc. New York Power Authority Parsons Energy & Chemicals British Columbia Hydro & Power Authority Richmond Hill Hydro Manitoba Hydro Power Canada Alberta Power Ltd. Stone & Webster Canada Ltd. Transalta Utilities Agra Monenco/Aurora Mine ATCO Power

Rating of Transformer

138/15.5kV, 160MVA 138/22.8kV, 490MVA 230/117.8kV, 325MVA 115/13.8kV, 56MVA 115/13.2kV, 115MVA 230/13.2kV, 86MVA 230/18kV, 262MVA 512.5/242/25.2kV, 500MVA 212.5/2 28kV, 125MVA 230/115/13.8kV, 250MVA 144/25kV, 50MVA 243/2 13.8kV, 171MVA 260/72kV, 224MVA 260/72kV, 116.2MVA 260/26.5/13.2kV 150MVA

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8. Major Manufacturing & Testing Equipment 1) Step-lap cut-to-length M/C 501200(W) 5000(L) ............. 2 80 640(W) 3600(L) .............. 1 3) Overhead Crane 120Ton, 22.5m(H) ........... 2 100Ton, 10.1m(H) ........... 1 80Ton, 10.1m(H) ............ 1 4) Testing capacity Basic impulse level : 4800kV Power frequency test : 700kV

2) Vapour phased autoclave 15000(L) 4800(W) 7000(H) ...... 1 12500(L) 4500(W) 6200(H) ...... 1 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 2) Completion date 3) Factory size : October of 1998 : August of 1999 : L130 W40 H35 (m)

2. Production Capability of New Factory 1) Annual Production Capability : 8,200MVA (Total 36,200MVA) 2) Production Capability : Up to 800MVA 3) Production Voltage : Up to 765kV (BIL : 2050kV) 3. Major Manufacturing & Testing Equipment 1) Vapour phased autoclave : L13000 W5000 H7000 2) 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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9.1 500kV Transformer 1) Customer : British Columbia Hydro in Canada

2) Year of delivery : 1994 3) Auto Transformer Specification (2 sets) Rating Rated Voltage BIL Test Voltage Total / transportation Overall dimension Transportation dimension : 3PH 304/340/500MVA, OA/FOA/FOA : 515/242/25.2kV : 1550/850/150kV : 360Ton / 222Ton : L19 : L12.8 W7 H11 (m) H4.5 (m)

W3.6

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500kV Transformer for BCHP of Canada

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9.2 765kV Transformer 1) Customer : Korea Electric Power Corporation (Dang-Jin TPP) 2) Commercial Operation : June, 2000 3) Generator Step-up Transformer (7 sets) Rating Rated Voltage BIL Test Voltage Total / transportation Overall dimension Transportation dimension : 3 x 1PH 204MVA, FOA, NLTC : 20.9/765kV : 150/2050kV : 250Ton / 170Ton : L8.8 : L6.0 W6.2 W4.7 H11.8 (m) H5.5 (m)

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4) 765 ­ 345kV Tie Transformer (4 sets) Rating Rated Voltage BIL Test Voltage Total / transportation Overall dimension Transportation dimension : 3 x 1PH 370MVA, FOA, NLTC : 765/345/23kV : 2050/1050/150kV : 290Ton / 190Ton : L9.7 : L8.8 W8.2 W4.3 H6.9 (m) H4.9 (m)

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765kV Generator Step-up Transformer

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Information

Power Transformer

21 pages

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