1. Production Capacity
HYUNDAI
1) Annual Production Capacity
: 28,000MVA
2) Maximum Capacity
: up to 800MVA(3 phase)
3) Maximum Voltage
: up to 765kV, 2050 BIL
4) Factory Space
: 16,800m²
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
4) Special Purpose Transformer

Rectifier Transformer

Furnace Transformer

Dry type Transformer

Shunt Reactor

Mobile Transformer
3
3. Quality Assurance (ISO 9001)
HYUNDAI
1) Original Date of Issue : July of 1989
2) Registered Parts of Quality Assurance

Transformer Design and Development

Production and Testing

Installation and Service
4
4. Applicable Standard
HYUNDAI
1) IEC 76
(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)
5
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
3PH 6/64/85/106/119MVA 230/14.8kV YNd1
Sept. 1995
N.L.T.C
PUD in USA
2
Power Transformer
3PH 45/60MVA 154/23kV Ynyno(d)
Nov. 1989
O.L.T.C
KEPCO in Korea
3
Power Transformer
3PH 35/44MVA 154/23kV YNd1
Nov. 1986
O.L.T.C
In-Chon Iron &
Steel in Korea
4
Distribution Transformer
3PH 10MVA 22/6.6kV Ynynod(d)
Dec. 1986
O.L.T.C
PUB in Singapore
5
Power Transformer
3PH 20/26MVA 132/11.5kV Dyn11
Dec. 1986
O.L.T.C
WAPDA in Parkistan
6
5. Short Circuit Test
HYUNDAI
2) Detailed Explanation for the Short Circuit Test Performed to the
230kV Transformers for Rocky Reach Project

Customer : Public Utility District No.1 of Chelan County in U.S.A

Project

Transformer Rating

: Replacement for Rocky Reach Dam Transformer

3phase 60Hz 119MVA 14.8/230kV Step-up Transformer

Basic Impulse Level on H.V Side : 900kV

Standard : ANSI C57.12.00
Tested and Certified by Korea Electrotechnology Research Institute
7

Picture of Short Circuit Test
HYUNDAI
8
6. Development of Transformer
HYUNDAI
1) 765kV Transformer

1PH 60Hz 2 x 333.3MVA 765/345kV
OLTC type Auto transformer (Bil : 2050kV)

: 1998 Developed
1PH 60Hz 204MVA 20.9/765kV
NLTC type Step-up transformer (Bil : 2050kV) : 1999 Developed

1PH 60Hz 370MVA 765/345/23kV
NLTC type Auto transformer (Bil : 2050kV)
: 1999 Developed
2) Gas Insulated Transformer

1PH 60Hz 20MVA 154/23kV OLTC Type Transformer
(Under Development)
9
6. Development of Transformer
HYUNDAI
3) Mobile Transformer (Developed)
 3PH 60Hz 40MVA 154/23kV (1996)

"H" Class insulation (95C temp. rise)

Comparison of "A" and "H" class insulation

Insulation
No Load Loss
Load Loss
Weight
“A” Class
31 kW
241 kW
35 TON
“H” class
23 kW
434kW
25 TON
Remark
74%
180%
71%
Transportation with trailer

Weight : 39.4 Ton

Size(m) : L8.6 x W2.9 x H3.9
10

Picture of 154kV 40MVA Mobile Transformer-Using H Class
Insulation (NOMAX Paper)
HYUNDAI
11
7. Major International Clients and Performances
HYUNDAI
1) North America
Country
U.S.A
Client
Alumnium Company of America
Los Angeles Department of Water and Power
Chelan Country
Black & Veatch
General Electric Company
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
Rating of Transformer
161/13.8kV, 93MVA
34.5/5.04kV, 16MVA
230/14.8kV, 119MVA
230/15.75kV, 315MVA
138/13.8kV, 125MVA
13.8/2 X 3.9kV, 20MVA
69/13.8KkV, 90MVA
132/11.5kV, 90MVA
138/13.8kV, 150MVA
16/230kV, 235MVA
230/69kV, 200MVA
230/69/13.8kV, 200MVA
115/11kV, 93MVA
138/15.5kV, 160MVA
138/22.8kV, 490MVA
230/117.8kV, 325MVA
115/13.2kV, 115MVA
115/13.8kV, 56MVA
230/13.2kV, 86MVA
12
7. Major International Clients and Performances
HYUNDAI
2) South America
Country
Client
Rating of Transformer
230/34.5kV, 50MVA
Interconexion Electrical S.A
500/230/34.5kV, 150MVA
Colombia
EPM
230/115/46kV, 90MVA
ESSA
115/34.5/13.8kV, 40MVA
Trinidad
& Tobago
Trinidad & Tobogo Electricity Commission (TTEC)
33/12kV, 6MVA
Panama
CELMEC
115/13.8kV, 50MVA
Chile
Chilectra
230/110/13.2kV, 130MVA
Peru
Proyecto Ampliacion de LA S. E.
220/60/10kV, 50MVA
Guatemala
JBV Guatemala, LCC
230/13.8kV, 150MVA
Venezuela
ENELVEN
200/115/13.8kV, 200MVA
Puerto Rico
Brazil
Abengoa
CERJ
115/2 X 13.8kV, 300MVA
138/13.8kV, 33.3MVA
13
7. Major International Clients and Performances
HYUNDAI
3) Asia
Country
Client
Rating of Transformer
Japan
Tokyo Electric Power Company
66/6.9kV, 20MVA
Singapore
Public Utilities Board (PUB)
22/6.6kV, 10MVA
Tenaga Nasional Bhd. (TNB)
275/132kV, 240MVA
Sarawak Electricity Supply Corp. (SESCO)
275/230kV, 250MVA
Sabah Electricity Board (SEB)
275/132kV, 180MVA
Perusahaan Umum Listrik Negara (PLN)
150/20kV, 100MVA
National Power Corp (NPC)
230/115/13.8kV, 300MVA
Manila Electric Company (MERALCO)
110/34.5/13.8kV, 83.3MVA
Electricity of Vietnam (EVN)
230/121/22kV, 63MVA
Vietnam POSCO Steel Co.
110/6.6kV, 20MVA
Bangladesh Power Development Board (BPDB)
240/140kV, 150MVA
Malaysia
Indonesia
Philippines
Vietnam
Bangladesh
14
7. Major International Clients and Performances
HYUNDAI
3) Asia
Country
Client
Rating of Transformer
Electricity Generating Authority of Thailand (EGAT)
115/34.5/11kV, 50MVA
Metropolitan Electricity Authority (MEA)
60/11.5kV, 60MVA
Provincial Electricity Authority (PEA)
115/23.1kV, 40MVA
Myanmar Electric Power Enterprise (MEPE)
132/33/11kV, 30MVA
Water and Power Development Authority (WAPDA)
230/11kV, 125MVA
Karachi Electricity Supply Corporation (KESC)
132/11kV, 40MVA
D. G Khan Cement Company
132/6.3kV, 20/26MVA
Oil and Natural Gas Commission (ONGC)
6.6/0.433kV
Thailand
Myanmar
Parkistan
India
2000KVA (Cast Resin Type)
Srilanka
Ceylon Electricity Board (CEB)
132/33kV, 31.5MVA
15
7. Major International Clients and Performances
HYUNDAI
4) Middle East
Country
Client
Rating of Transformer
Electricity Corporation
132/33kV, 60MVA
SCECO-Central
132/13.8kV, 100MVA
SCECO-East
230/115/34.5kV, 400MVA
Tabouk Electricity Company
132/13.8kV, 100MVA
Arabian American Oil Company
66/13.8kV, 67MVA
Iraq
State Organization of Electricity (SOE)
400/138.6/11kV, 250MVA
Yemen
Yemen General Electricity Corp. (YGEC)
132/33kV, 25MVA
Lebanon
Council for Development & Reconstruction
66/20-11kV, 40MVA
Dubai Electricity Company
33/11kV, 15MVA
Water and Electricity Department
11/0.433kV, 1500KVA
(Cast Resin Type)
Oman
Ministry of Electricity and Water
33/11kV, 20MVA
Turkey
Turkiye Electric Kurumu
Shunt Reactor
154kV, 5MVAR
Saudi Arabia
U.A.E
16
7. Major International Clients and Performances
HYUNDAI
5) Oceania and Canada
Country
Australia
New Zealand
Papua New
Guniea
Canada
Client
Rating of Transformer
Pacific Power (The Electricity Commission of
New Sourth Wales)
Power Link (Queensland Electricity Commission)
BHP Engineering Pty Ltd.
Shortland County Council
New Zealand Aluminium Smelter Ltd. (NZAS)
The Electricity Commission of P.N.G
132/11kV, 20MVA
132/69/11kV, 20MVA
230/34.5kV, 80/120MVA
132/66/11kV, 120MVA
66/13.8kV, 67MVA
220/11kV, 50MVA
132/66kV, 20MVA
British Columbia Hydro & Power Authority
Richmond Hill Hydro
Manitoba Hydro
Alberta Power Ltd.
Howe Sound Pulp & Paper Ltd.
Yukon Electrical Company
512.5/242/25.2kV, 500MVA
212.5/2 X 28kV, 125MVA
114.3/2 X 12.47kV, 50MVA
144/25kV, 50MVA
230/13.8kV, 62MVA
138/13.8kV, 40MVA
Stone & Webster Canada Ltd.
Transalta Vtilities
Agra Monenco/ Aurora Mine
Saskatchewan Power Corporation
243/2 X 13.8kV, 171MVA
260/72kV, 224MVA
260/72kV, 116.2MVA
128/24.9kV, 29.8MVA
17
7. Major International Clients and Performances
HYUNDAI
6) Europe
Country
Client
Rating of Transformer
Switzerland
ABB Power Generation Ltd.
220/21kV, 420MVA
Germany
Siemens AG
132/6.9kV, 40/45MVA
Denmark
Johs Gran-Hassen Product Ltd.
220/60/10kV, 40/50MVA
7) Africa
Country
Client
Rating of Transformer
Egyptian Electricity Authority (EEA)
21/220kV, 395MVA
Arco Steel
220/22.5kV, 80MVA
Ethiopia
Ethiopian Electric Light and Power Authority (ELPA)
132/15kV, 22MVA
Libya
Heavy Industries Secretariat Tripoil Socialist
People’s Libyan Arab Jamshebreya
11/225kV, 105MVA
Egypt
18
8. Major Production Facilities
HYUNDAI
1) Over-Head Crane (300 TON x Span 38m)
2) Vacuum Vaporization Facility (L 13m x W 4.8m x H 6.6m)
3) Air - Cleaning Facility (L 45m x W 40m x H 7m)
4) Oil Filtering Machine (8,00 litter / hour)
5) Motorized Transporter for Test (400 TON x 2EA)
6) Core Binding Machine (40 TON x W 8m)
7) Core Lamination Table (120TON)
19
9. Major Testing Facilities
HYUNDAI
1) Impulse Generator System ( 400KV / 600KJ )
2) Oscillation Lightning Impulse Test System (1,800KV / 90KJ )
3) AC Series Resonant Voltage Test System
(1,200KV / 4,800KVA )
4) AC Power Generator System ( 23MVA x 2sets )
5) AC Power Generator System ( 23MVA x 2sets )
6) Condenser Bank ( 158KV, 225MVAR )
7) Transformer Loss Measuring System (200KV / 4,000A )
20
10. Major Manufacturing Process
HYUNDAI
1) Winding Works
21
10. Major Manufacturing Process
HYUNDAI
2) Core lamination
22
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
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
7) Completion of Core & Coil Assembly
27
10. Major Manufacturing Process
HYUNDAI
8) Factory Test
28