1 Production Capacity HYUNDAI 1 Annual Production Capacity

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1. Production Capacity HYUNDAI 1) Annual Production Capacity : 28, 000 MVA 2) Maximum

1. Production Capacity HYUNDAI 1) Annual Production Capacity : 28, 000 MVA 2) Maximum Capacity : up to 800 MVA(3 phase) 3) Maximum Voltage : up to 765 k. V, 2050 BIL 4) Factory Space : 16, 800 m² 5) Manpower for Transformer factory - 55 Engineers - 340 Skilled Workers 2

2. Production Range HYUNDAI 1) Power Transformer 2) Distribution Transformer 3) Cast resin Transformer

2. Production Range HYUNDAI 1) Power Transformer 2) Distribution Transformer 3) Cast resin Transformer 4) Special Purpose Transformer l Rectifier Transformer l Furnace Transformer l Dry type Transformer l Shunt Reactor l Mobile Transformer 3

3. Quality Assurance (ISO 9001) HYUNDAI 1) Original Date of Issue : July of

3. Quality Assurance (ISO 9001) HYUNDAI 1) Original Date of Issue : July of 1989 2) Registered Parts of Quality Assurance l Transformer Design and Development l Production and Testing l Installation and Service 4

4. Applicable Standard 1) IEC 76 (For Europe and Asia) 2) ANSI C 57.

4. Applicable Standard 1) IEC 76 (For Europe and Asia) 2) ANSI C 57. 12. 00 (For America) 3) CAN/CSA-C 88 -M 90 (For Canada) 4) AS 2374 (For Australia) 5) ES 140 (For Korea) HYUNDAI 5

5. Short Circuit Test HYUNDAI 1) Major Performance Record of Short Circuit Test No.

5. Short Circuit Test HYUNDAI 1) Major Performance Record of Short Circuit Test No. Specification of Transformer Test Date Test of Tap Change Customer 1 Generating Transformer 3 PH 6/64/85/106/119 MVA 230/14. 8 k. V YNd 1 Sept. 1995 N. L. T. C PUD in USA 2 Power Transformer 3 PH 45/60 MVA 154/23 k. V Ynyno(d) Nov. 1989 O. L. T. C KEPCO in Korea 3 Power Transformer 3 PH 35/44 MVA 154/23 k. V YNd 1 Nov. 1986 O. L. T. C In-Chon Iron & Steel in Korea 4 Distribution Transformer 3 PH 10 MVA 22/6. 6 k. V Ynynod(d) Dec. 1986 O. L. T. C PUB in Singapore 5 Power Transformer 3 PH 20/26 MVA 132/11. 5 k. V Dyn 11 Dec. 1986 O. L. T. C WAPDA in Parkistan 6

5. Short Circuit Test HYUNDAI 2) Detailed Explanation for the Short Circuit Test Performed

5. Short Circuit Test HYUNDAI 2) Detailed Explanation for the Short Circuit Test Performed to the 230 k. V Transformers for Rocky Reach Project u Customer : Public Utility District No. 1 of Chelan County in U. S. A u Project u Transformer Rating u : Replacement for Rocky Reach Dam Transformer l 3 phase 60 Hz 119 MVA 14. 8/230 k. V Step-up Transformer l Basic Impulse Level on H. V Side : 900 k. V l Standard : ANSI C 57. 12. 00 Tested and Certified by Korea Electrotechnology Research Institute 7

u Picture of Short Circuit Test HYUNDAI 8

u Picture of Short Circuit Test HYUNDAI 8

6. Development of Transformer HYUNDAI 1) 765 k. V Transformer u 1 PH 60

6. Development of Transformer HYUNDAI 1) 765 k. V Transformer u 1 PH 60 Hz 2 x 333. 3 MVA 765/345 k. V OLTC type Auto transformer (Bil : 2050 k. V) u : 1998 Developed 1 PH 60 Hz 204 MVA 20. 9/765 k. V NLTC type Step-up transformer (Bil : 2050 k. V) : 1999 Developed u 1 PH 60 Hz 370 MVA 765/345/23 k. V NLTC type Auto transformer (Bil : 2050 k. V) : 1999 Developed 2) Gas Insulated Transformer u 1 PH 60 Hz 20 MVA 154/23 k. V OLTC Type Transformer (Under Development) 9

6. Development of Transformer HYUNDAI 3) Mobile Transformer (Developed) u 3 PH 60 Hz

6. Development of Transformer HYUNDAI 3) Mobile Transformer (Developed) u 3 PH 60 Hz 40 MVA 154/23 k. V (1996) u "H" Class insulation (95 C temp. rise) u Comparison of "A" and "H" class insulation u Insulation No Load Loss Weight “A” Class 31 k. W 241 k. W 35 TON “H” class 23 k. W 434 k. W 25 TON Remark 74% 180% 71% Transportation with trailer l Weight : 39. 4 Ton l Size(m) : L 8. 6 x W 2. 9 x H 3. 9 10

u Picture of 154 k. V 40 MVA Mobile Transformer-Using H Class Insulation (NOMAX

u Picture of 154 k. V 40 MVA Mobile Transformer-Using H Class Insulation (NOMAX Paper) HYUNDAI 11

7. Major International Clients and Performances HYUNDAI 1) North America Country U. S. A

7. Major International Clients and Performances HYUNDAI 1) North America Country U. S. A Client Rating of Transformer Alumnium Company of America Los Angeles Department of Water and Power Chelan Country Black & Veatch General Electric Company 161/13. 8 k. V, 93 MVA 34. 5/5. 04 k. V, 16 MVA 230/14. 8 k. V, 119 MVA 230/15. 75 k. V, 315 MVA 138/13. 8 k. V, 125 MVA Baltimore Gas & Electric CRS Sirrine Engineers Zurn Nepco Westinghouse Florida Power Corporation Colorado River Commission of Nevada Sacramento Municipal Utility District Duke Fluor Daniel Babcock & Wilcox Engineering Lower Colorado River Authority Puget Sound Energy National Electrical System Inc. City of Tacoma New York Power Authority 13. 8/2 X 3. 9 k. V, 20 MVA 69/13. 8 Kk. V, 90 MVA 132/11. 5 k. V, 90 MVA 138/13. 8 k. V, 150 MVA 16/230 k. V, 235 MVA 230/69 k. V, 200 MVA 230/69/13. 8 k. V, 200 MVA 115/11 k. V, 93 MVA 138/15. 5 k. V, 160 MVA 138/22. 8 k. V, 490 MVA 230/117. 8 k. V, 325 MVA 115/13. 2 k. V, 115 MVA 115/13. 8 k. V, 56 MVA 230/13. 2 k. V, 86 MVA 12

7. Major International Clients and Performances HYUNDAI 2) South America Country Client Interconexion Electrical

7. Major International Clients and Performances HYUNDAI 2) South America Country Client Interconexion Electrical S. A Colombia Rating of Transformer 230/34. 5 k. V, 50 MVA 500/230/34. 5 k. V, 150 MVA EPM 230/115/46 k. V, 90 MVA ESSA 115/34. 5/13. 8 k. V, 40 MVA Trinidad & Tobago Trinidad & Tobogo Electricity Commission (TTEC) 33/12 k. V, 6 MVA Panama CELMEC 115/13. 8 k. V, 50 MVA Chilectra 230/110/13. 2 k. V, 130 MVA Peru Proyecto Ampliacion de LA S. E. 220/60/10 k. V, 50 MVA Guatemala JBV Guatemala, LCC 230/13. 8 k. V, 150 MVA Venezuela ENELVEN 200/115/13. 8 k. V, 200 MVA Puerto Rico Brazil Abengoa CERJ 115/2 X 13. 8 k. V, 300 MVA 138/13. 8 k. V, 33. 3 MVA 13

7. Major International Clients and Performances HYUNDAI 3) Asia Country Client Rating of Transformer

7. Major International Clients and Performances HYUNDAI 3) Asia Country Client Rating of Transformer Japan Tokyo Electric Power Company 66/6. 9 k. V, 20 MVA Singapore Public Utilities Board (PUB) 22/6. 6 k. V, 10 MVA Tenaga Nasional Bhd. (TNB) 275/132 k. V, 240 MVA Sarawak Electricity Supply Corp. (SESCO) 275/230 k. V, 250 MVA Sabah Electricity Board (SEB) 275/132 k. V, 180 MVA Perusahaan Umum Listrik Negara (PLN) 150/20 k. V, 100 MVA National Power Corp (NPC) 230/115/13. 8 k. V, 300 MVA Manila Electric Company (MERALCO) 110/34. 5/13. 8 k. V, 83. 3 MVA Electricity of Vietnam (EVN) 230/121/22 k. V, 63 MVA Vietnam POSCO Steel Co. 110/6. 6 k. V, 20 MVA Bangladesh Power Development Board (BPDB) 240/140 k. V, 150 MVA Malaysia Indonesia Philippines Vietnam Bangladesh 14

7. Major International Clients and Performances HYUNDAI 3) Asia Country Thailand Myanmar Parkistan India

7. Major International Clients and Performances HYUNDAI 3) Asia Country Thailand Myanmar Parkistan India Client Rating of Transformer Electricity Generating Authority of Thailand (EGAT) 115/34. 5/11 k. V, 50 MVA Metropolitan Electricity Authority (MEA) 60/11. 5 k. V, 60 MVA Provincial Electricity Authority (PEA) 115/23. 1 k. V, 40 MVA Myanmar Electric Power Enterprise (MEPE) 132/33/11 k. V, 30 MVA Water and Power Development Authority (WAPDA) 230/11 k. V, 125 MVA Karachi Electricity Supply Corporation (KESC) 132/11 k. V, 40 MVA D. G Khan Cement Company 132/6. 3 k. V, 20/26 MVA Oil and Natural Gas Commission (ONGC) 6. 6/0. 433 k. V 2000 KVA (Cast Resin Type) Srilanka Ceylon Electricity Board (CEB) 132/33 k. V, 31. 5 MVA 15

7. Major International Clients and Performances HYUNDAI 4) Middle East Country Client Rating of

7. Major International Clients and Performances HYUNDAI 4) Middle East Country Client Rating of Transformer Electricity Corporation 132/33 k. V, 60 MVA SCECO-Central 132/13. 8 k. V, 100 MVA SCECO-East 230/115/34. 5 k. V, 400 MVA Tabouk Electricity Company 132/13. 8 k. V, 100 MVA Arabian American Oil Company 66/13. 8 k. V, 67 MVA Iraq State Organization of Electricity (SOE) 400/138. 6/11 k. V, 250 MVA Yemen General Electricity Corp. (YGEC) 132/33 k. V, 25 MVA Lebanon Council for Development & Reconstruction 66/20 -11 k. V, 40 MVA Dubai Electricity Company 33/11 k. V, 15 MVA Water and Electricity Department 11/0. 433 k. V, 1500 KVA (Cast Resin Type) Oman Ministry of Electricity and Water 33/11 k. V, 20 MVA Turkey Turkiye Electric Kurumu Shunt Reactor 154 k. V, 5 MVAR Saudi Arabia U. A. E 16

7. Major International Clients and Performances HYUNDAI 5) Oceania and Canada Country Australia New

7. Major International Clients and Performances HYUNDAI 5) Oceania and Canada Country Australia New Zealand Papua New Guniea Canada Client Rating of Transformer Power Link (Queensland Electricity Commission) BHP Engineering Pty Ltd. 132/11 k. V, 20 MVA 132/69/11 k. V, 20 MVA 230/34. 5 k. V, 80/120 MVA 132/66/11 k. V, 120 MVA Shortland County Council New Zealand Aluminium Smelter Ltd. (NZAS) The Electricity Commission of P. N. G 66/13. 8 k. V, 67 MVA 220/11 k. V, 50 MVA 132/66 k. V, 20 MVA British Columbia Hydro & Power Authority Richmond Hill Hydro Manitoba Hydro Alberta Power Ltd. Howe Sound Pulp & Paper Ltd. Yukon Electrical Company Stone & Webster Canada Ltd. Transalta Vtilities Agra Monenco/ Aurora Mine Saskatchewan Power Corporation 512. 5/242/25. 2 k. V, 500 MVA 212. 5/2 X 28 k. V, 125 MVA 114. 3/2 X 12. 47 k. V, 50 MVA 144/25 k. V, 50 MVA 230/13. 8 k. V, 62 MVA 138/13. 8 k. V, 40 MVA 243/2 X 13. 8 k. V, 171 MVA 260/72 k. V, 224 MVA 260/72 k. V, 116. 2 MVA 128/24. 9 k. V, 29. 8 MVA Pacific Power (The Electricity Commission of New Sourth Wales) 17

7. Major International Clients and Performances HYUNDAI 6) Europe Country Client Rating of Transformer

7. Major International Clients and Performances HYUNDAI 6) Europe Country Client Rating of Transformer Switzerland ABB Power Generation Ltd. 220/21 k. V, 420 MVA Germany Siemens AG 132/6. 9 k. V, 40/45 MVA Denmark Johs Gran-Hassen Product Ltd. 220/60/10 k. V, 40/50 MVA 7) Africa Country Client Rating of Transformer Egyptian Electricity Authority (EEA) 21/220 k. V, 395 MVA Arco Steel 220/22. 5 k. V, 80 MVA Ethiopian Electric Light and Power Authority (ELPA) 132/15 k. V, 22 MVA Libya Heavy Industries Secretariat Tripoil Socialist People’s Libyan Arab Jamshebreya 11/225 k. V, 105 MVA Egypt 18

8. Major Production Facilities HYUNDAI 1) Over-Head Crane (300 TON x Span 38 m)

8. Major Production Facilities HYUNDAI 1) Over-Head Crane (300 TON x Span 38 m) 2) Vacuum Vaporization Facility (L 13 m x W 4. 8 m x H 6. 6 m) 3) Air - Cleaning Facility (L 45 m x W 40 m x H 7 m) 4) Oil Filtering Machine (8, 00 litter / hour) 5) Motorized Transporter for Test (400 TON x 2 EA) 6) Core Binding Machine (40 TON x W 8 m) 7) Core Lamination Table (120 TON) 19

9. Major Testing Facilities HYUNDAI 1) Impulse Generator System ( 400 KV / 600

9. Major Testing Facilities HYUNDAI 1) Impulse Generator System ( 400 KV / 600 KJ ) 2) Oscillation Lightning Impulse Test System (1, 800 KV / 90 KJ ) 3) AC Series Resonant Voltage Test System (1, 200 KV / 4, 800 KVA ) 4) AC Power Generator System ( 23 MVA x 2 sets ) 5) AC Power Generator System ( 23 MVA x 2 sets ) 6) Condenser Bank ( 158 KV, 225 MVAR ) 7) Transformer Loss Measuring System (200 KV / 4, 000 A ) 20

10. Major Manufacturing Process HYUNDAI 1) Winding Works 21

10. Major Manufacturing Process HYUNDAI 1) Winding Works 21

10. Major Manufacturing Process HYUNDAI 2) Core lamination 22

10. Major Manufacturing Process HYUNDAI 2) Core lamination 22

10. Major Manufacturing Process HYUNDAI 3) View of Core Structure (After Completion of Core

10. Major Manufacturing Process HYUNDAI 3) View of Core Structure (After Completion of Core Lamination) 23

10. Major Manufacturing Process HYUNDAI 4) Coil Insertion Works 24

10. Major Manufacturing Process HYUNDAI 4) Coil Insertion Works 24

10. Major Manufacturing Process HYUNDAI 5) View of Core and Coil Assembly Works 25

10. Major Manufacturing Process HYUNDAI 5) View of Core and Coil Assembly Works 25

10. Major Manufacturing Process HYUNDAI 6) Drying Works in Vacuum Vaporization Facility 26

10. Major Manufacturing Process HYUNDAI 6) Drying Works in Vacuum Vaporization Facility 26

10. Major Manufacturing Process HYUNDAI 7) Completion of Core & Coil Assembly 27

10. Major Manufacturing Process HYUNDAI 7) Completion of Core & Coil Assembly 27

10. Major Manufacturing Process HYUNDAI 8) Factory Test 28

10. Major Manufacturing Process HYUNDAI 8) Factory Test 28