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PRODUCTS

Product Descriptions
Product Descriptions Produced Products

  • Power & Distribution Transformer

  • Power Transformer Power Transformer
Specification Contents
Rated specification Rated Capacity 100kVA ~ 80MVA
Phase, Frequency 1 Phase / 3 Phase, 60Hz/50Hz
Rated PRI. 3.3kV – 66kV
Voltage SEC. 0.11kV– 6.6kV and more
Wiring Type Dyn11, Dd0 etc
Insulation Class A class
Capacity
(kVA)		 Exciting
Current(%)		 VoltageReg.
ε (%)		 Efficiency
η (%)		 Dimensions
(mm)
W * D * H		 Total
Weight(kg)
400 2.0 1.6 98.7 1400*1000*1550 1,650
1,000 2.0 1.6 99.0 2150*2050*1850 3,300
2,000 2.0 1.2 99.0 2300*2350*1990 6,100
4,000 2.0 1.1 99.1 3800*2650*3150 12,700
15,000 2.0 1.0 99.2 4400*4350*4150 25,000
25,000 2.0 1.2 99.3 5850*3850*3760 37,000
standard ① IEC60076 ② IEEE C 57 ③ etc.client's standard
usage ① Power station ② Substations ③ Transmission

  • USA Transformer Standard of 3P Pad

  • Pad Mounted Transformer Pad Mounted Transformer
Specification Contents
Rated specification Rated Capacity 5MVA
Phase, Frequency 3 Phase , 60Hz
Rated PRI. 4.16kV – 34.5kV
Voltage SEC. 0.48kV
Wiring Type Ynyn0, Dyn11
Insulation Class A class
Capacity
(kVA)		 Exciting
Current(%)		 VoltageReg.
ε (%)		 Efficiency
η (%)		 Dimensions
(mm)
W * D * H		 Total
Weight(kg)
5000 32.0 1.2 98.9 4100X2900X2650 14,300
standard ① IEC60076 ② IEEE C 57 ③ etc.client's standard
usage ① Wireline Downtown, Shopping Center Area

  • KEPCO Transformer Standard of 3P Pad

  • USA Transformer Standard of 3P Pad USA Transformer Standard of 3P Pad
Specification Contents
Rated specification Rated Capacity 50kVA~1MVA
Phase, Frequency 1 Phase / 3 Phase , 60Hz
Rated PRI. 13.2kV, 22.9kV
Voltage SEC. 0.23kV, 0.4/0.23kV
Wiring Type Yny0
Insulation Class A class
Capacity
(kVA)		 Exciting
Current(%)		 VoltageReg.
ε (%)		 Efficiency
η (%)		 Dimensions
(mm)
W * D * H		 Total
Weight(kg)
150 1.6 1.5 99.0 1500*1000*1150 1,500
300 1.0 1.4 99.1 1500*1100*1150 1,800
500 1.0 1.3 99.1 1500*1250*1150 2,600
standard ① IEC60076 ② IEEE C 57 ③ etc.client's standard
usage ① Power station ② Substations ③ Transmission

  • USA Transformer Standard of 1P Pad

  • USA Transformer Standard of 1P Pad USA Transformer Standard of 1P Pad
Specification Contents
Rated specification Rated Capacity 15kVA~167MVA
Phase, Frequency 1 Phase, 60Hz/50Hz
Rated PRI. 3.3kV, 34.5kV and more
Voltage SEC. 0.11kV, 6.6kV and more
Wiring Type Additive, Subtractive
Insulation Class A class
Capacity
(kVA)		 Exciting
Current(%)		 VoltageReg.
ε (%)		 Efficiency
η (%)		 Dimensions
(mm)
W * D * H		 Total
Weight(kg)
15 2.0 1.2 98.82 910*994*808 470
25 2.0 1.2 98.95 910*1016*808 510
37.5 2.0 1.2 99.05 910*1016*808 553
50 2.0 1.2 99.11 910*1055*808 610
75 2.0 1.2 99.19 910*1093*859 720
100 2.0 1.2 99.25 910*1105*910 810
167 2.0 1.2 99.33 910*1067*1110 1,019
standard ① IEC 60076 ② IEEE C 57 ③ etc.client's standard
usage ① Power station ② Substations ③ Transmission

  • Pole Transformer

  • Pole Transformer
Specification Contents
Rated specification Rated Capacity 10kVA ~100kVA
Phase, Frequency 1 Phase , 60Hz
Rated PRI. 22.9kV-y
Voltage SEC. 230V
Insulation Class A class
Capacity
(kVA)		 Exciting
Current(%)		 VoltageReg.
ε (%)		 Efficiency
η (%)		 Dimensions
(mm)
W * D * H		 Total
Weight(kg)
10 1.2 2.0 97.8 430X540X980　 120
20 1.2 1.7 98.1 500X570X1000 165
30 1.0 1.5 98.3 580X650X1070 230
50 0.8 1.4 98.5 630X710X1120 287
75 0.8 1.4 98.5 730X720X1160 344
100 0.7 1.3 98.6 840X760X1180 450
Merit ① Non-PCB Ecofriendly Transformer②Excellent Dielectric Strength
because of Non-impregnation Transformer
usage ① Universal

  • Amorphous Core Type Pole Transformer

  • Amorphous Core Type Pole Transformer
Specification Contents
Rated specification Rated Capacity 10kVA ~100kVA
Phase, Frequency 1 Phase , 60Hz
Rated PRI. 22.9kV-y
Voltage SEC. 230V
Insulation Class A class
Capacity
(kVA)		 Exciting
Current(%)		 VoltageReg.
ε (%)		 Efficiency
η (%)		 Dimensions
(mm)
W * D * H		 Total
Weight(kg)
10 1.2 2.0 97.9 550X610X1070　 140
20 1.2 1.7 98.2 570X650X1120 190
30 1.0 1.5 98.4 590X690X1160 250
50 0.8 1.4 98.6 660X730X1240 340
75 0.8 1.4 98.6 760X770X1270 400
100 0.7 1.3 98.7 790X790X1290 490
Merit ① No-load losses are less highly efficient ② Excellent Magnetic
Properties at harmonic band
usage ① Rural areas of seasonal load ② The deviation of the daily load large area

  • Multi Level Phase Shift Dry Type Transformer 3,300V Class 18 pulse

  • 3,300V Class 18 pulse 3,300V Class 18 pulse
Specification Contents
Rated specification Rated Capacity 200kVA ~ 12,000kVA
Phase, Frequency 3 Phase , 60Hz / 50Hz
Rated PRI. 3,300V
Voltage SEC. 380~760V X 9coil
Primary TAP voltage ±5%(3TAP)
Wiring type Y/Extended Delta (Phase shift)
Phase angle between winding 9coil
Overload Capacity (1min) 150%
Cooling AN or AF
Insulation Class H Class (NOMEX)
Electric specification % impedance 6-10%
Efficiency(%) ≤ 800kVA 98.0%
≥800kVA 98.5%
We can meet the client's needs those dimensions
& electrical properties
standard ① JEC ② IEC ③ etc.client's standard
usage ① for inverter
Demand ① client'srequest

  • Multi Level Phase Shift Dry Type Transformer 4,160V Class 24 pulse

  • 4,160V Class 24 pulse 4,160V Class 24 pulse
Specification Contents
Rated specification Rated Capacity 200kVA ~ 12,000kVA
Phase, Frequency 3 Phase , 60Hz / 50Hz
Rated PRI. 4,160V
Voltage SEC. 380~760V X 12coil
Primary TAP voltage ±5%(3TAP)
Wiring type Y/Extended Delta (Phase shift)
Phase angle between winding 12coil
Overload Capacity (1min) 150%
Cooling AN or AF
Insulation Class H Class (NOMEX)
Electric specification % impedance 6-10%
Efficiency(%) ≤ 800kVA 98.0%
≥800kVA 98.5%
We can meet the client's needs those dimensions
& electrical properties
standard ① JEC ② IEC ③ etc.client's standard
usage ① for inverter
Demand ① client'srequest

  • Multi Level Phase Shift Dry Type Transformer 6,600V Class 36 pulse

  • 6,600V Class 36 pulse 6,600V Class 36 pulse
Specification Contents
Rated specification Rated Capacity 200kVA ~ 12,000kVA
Phase, Frequency 3 Phase , 60Hz / 50Hz
Rated PRI. 6,600V
Voltage SEC. 380~760V X 18coil
Primary TAP voltage ±5%(3TAP)
Wiring type Y/Extended Delta (Phase shift)
Phase angle between winding 18coil
Overload Capacity (1min) 150%
Cooling AN or AF
Insulation Class H Class (NOMEX)
Electric specification % impedance 6-10%
Efficiency(%) ≤ 800kVA 98.0%
≥800kVA 98.5%
We can meet the client's needs those dimensions
& electrical properties
standard ① JEC ② IEC ③ etc.client's standard
usage ① for inverter
Demand ① client'srequest

  • Multi Level Phase Shift Dry Type Transformer 6,900V Class 36 pulse

  • 6,900V Class 36 pulse 6,900V Class 36 pulse
Specification Contents
Rated specification Rated Capacity 200kVA ~ 12,000kVA
Phase, Frequency 3 Phase , 60Hz / 50Hz
Rated PRI. 6,900V
Voltage SEC. 380~760V X 18coil
Primary TAP voltage ±5%(3TAP)
Wiring type Y/Extended Delta (Phase shift)
Phase angle between winding 18coil
Overload Capacity (1min) 150%
Cooling AN or AF
Insulation Class H Class (NOMEX)
Electric specification % impedance 6-10%
Efficiency(%) ≤ 1000kVA 98.0%
≥1000kVA 98.5%
We can meet the client's needs which like dimensions
& electrical properties
standard ① JEC ② IEC ③ etc.client's standard
usage ① for inverter
Demand ① client'srequest

  • Multi Level Phase Shift Dry Type Transformer 11,000V Class 36 pulse

  • 11,000V Class 36 pulse 11,000V Class 36 pulse
Specification Contents
Rated specification Rated Capacity 200kVA ~ 12,000kVA
Phase, Frequency 3 Phase , 60Hz / 50Hz
Rated PRI. 11,000V
Voltage SEC. 380~760V X 18coil
Primary TAP voltage ±5%(3TAP)
Wiring type Y/Extended Delta (Phase shift)
Phase angle between winding 18coil
Overload Capacity (1min) 150%
Cooling AN or AF
Insulation Class H Class (NOMEX)
Electric specification % impedance 6-10%
Efficiency(%) ≤ 1000kVA 98.0%
≥1000kVA 98.5%
We can meet the client's needs which like dimensions
& electrical properties
standard ① JEC ② IEC ③ etc.client's standard
usage ① for inverter
Demand ① client'srequest

  • Multi Level Phase Shift Dry Type Transformer 10,000V Class 54 pulse

  • 10,000V Class 54 pulse 10,000V Class 54 pulse
Specification Contents
Rated specification Rated Capacity 200kVA ~ 12,000kVA
Phase, Frequency 3 Phase , 60Hz / 50Hz
Rated PRI. 10,000V
Voltage SEC. 380~760V X 27coil
Primary TAP voltage ±5%(3TAP)
Wiring type Y/Extended Delta (Phase shift)
Phase angle between winding 27coil
Overload Capacity (1min) 150%
Cooling AN or AF
Insulation Class H Class (NOMEX)
Electric specification % impedance 6-10%
Efficiency(%) ≤ 1000kVA 98.0%
≥1000kVA 98.5%
We can meet the client's needs which like dimensions
& electrical properties
standard ① JEC ② IEC ③ etc.client's standard
usage ① for inverter
Demand ① client'srequest

  • Multi Level Phase Shift Dry Type Transformer 11,000V Class 60 pulse

  • 11,000V Class 60 pulse 11,000V Class 60 pulse
Specification Contents
Rated specification Rated Capacity 200kVA ~ 12,000kVA
Phase, Frequency 3 Phase , 60Hz / 50Hz
Rated PRI. 11,000V
Voltage SEC. 380~760V X 30coil
Primary TAP voltage ±5%(3TAP)
Wiring type Y/Extended Delta (Phase shift)
Phase angle between winding 30coil
Overload Capacity (1min) 150%
Cooling AN or AF
Insulation Class H Class (NOMEX)
Electric specification % impedance 6-10%
Efficiency(%) ≤ 1000kVA 98.0%
≥1000kVA 98.5%
We can meet the client's needs which like dimensions
& electrical properties
standard ① JEC ② IEC ③ etc.client's standard
usage ① for inverter
Demand ① client'srequest

  • VPI Dry Type Transformer

  • VPI Dry Type Transformer
  • VPI Dry Type Transformer
Specification Contents
Rated specification Rated Capacity 15 ~ 7,500kVA
Phase, Frequency 1 Phase/3 Phase , 60Hz /50Hz
Rated PRI. 0.22kV ~ 25.8kV
Voltage SEC. 80V~3.3kV
Wiring Type Ynyn0, Dyn11, etc
Insulation Class F, H class
standard ① IEC 60076 ② IEEE C 57 ③ etc.client's standard
usage ① Downtown, Shopping Center, Client’s request

  • Reactor

  • Reactor Reactor
Specification Contents
Rated specification Rated Capacity ~ 1,000A
Phase, Frequency 1 Phase/3 Phase , 60Hz / 50Hz
Rated Voltage ~ 11,000V
Inductance (mH) 0.9 ~ 12.0 mH
Insulation Class H Class
We can meet the client's needs which like dimensions
& electrical properties
usage ① Harmonic Reduction
Demand ① client's request

  • Scott Transformer

  • Scott Transformer Scott Transformer
Specification Contents
Rated
specification 		Rated Capacity 10 ~ 1,000kVA
Phase, Frequency 2/3 Phase , 60Hz /50Hz
Rated
Voltage		 PRI. 220, 380, 440, 3300, 4160, 6600, 11000V
SEC. 220, 380, 440, 3300V
Insulation Class H Class
We can meet the clidnt's needs which like dimensions & electrical properties
Merit ① 3Phase Power 2Phase output
Demand ① ABB

  • ECO load switch (For processing)

  • ECO 부하개폐기 (가공용)
Ratings Contents Ratings Contents
Ratedsystem
voltage(kV)		 25.8 Rated closing current
(kA /peak)		 32.5
Ratedcontinuous current (A) 630 Insulatingmedium Epoxy
Ratedshort-time
withstandcurrent (kA)		 12.5 / 1s Mechanicalendurance
(times)		 5,000
Powerfrequency
withstandvoltage (kV)		 60 Ratedcontrol
voltage(V)		 AC220 V / DC 24V
Lightingimpulse withstand
Voltage(kV /1.2×50μs) 		150 Weight(body/kg) 110
Ratedpower
frequency(Hz)		 60 Weight(controller/kg) 47
usage
(characteristic)		 - Eco-friendly material with polymer insulation and vacuum insulation method
- For switching load current of overhead distribution lines, line division and line branching

  • Epoxy insulated load switch (For underground use)

  • 에폭시절연 부하개폐기 (지중용)
Ratings Contents Ratings Contents
Ratedsystem
voltage(kV)		 25.8 Rated closing current
(kA /peak)		 32.5
Ratedcontinuous current (A) 600 Insulatingmedium Epoxy
Ratedshort-time
withstandcurrent (kA)		 12.5 / 1s Mechanicalendurance
(times)		 5,000
Powerfrequency
withstandvoltage (kV)		 60 Ratedcontrol
voltage(V)		 AC220 V / DC 24V
Lightingimpulse withstand
Voltage(kV /1.2×50μs) 		125 Weight(body/kg) 740 / 20
Ratedpower
frequency(Hz)		 60 Item Type 3way auto
4way auto
usage
(characteristic)		 - For switching of load current of underground distribution lines, line division and line branching
- A product with a structure in which the main body opening/closing section and grounding section are integrated with epoxy insulation as a vacuum opening/closing section.

  • renewable energy
    TRANSFORMER Oil immersed type for ESS SYSTEM

  • ESS SYSTEM용 TRANSFORMER Oil immersed type
Specification Contents
Rated specification Rated Capacity 100kVA~20MVA
Phase, Frequency 1 Phase / 3 Phase , 60Hz /50Hz
Rated PRI. 3.3kV – 77kV and more
Voltage SEC. 0.11kV – 13.8kV and more
Wiring Type Dyn11, Dd0 etc
Insulation Class A, B class
Capacity
(kVA)		 Exciting
Current(%)		 VoltageReg.
ε (%)		 Efficiency
η (%)		 Dimensions
(mm)
W * D * H		 Total
Weight(kg)
10,000 1.35 1.0 99.27 3000X3500X4400 17,000
20,000 1.35 1.0 99.36 3300X3800X4600 26,000
30,000 1.35 0.93 99.36 4000X4400X4300 36,000
50,000 1.35 1.23 99.39 4300X5700X3700 47,700
standards ① IEC 60076 ② IEEE C 57 ③ Other customer requirements specifications
usage ① ESS-linked transformer ② substation ③ solar power plant

  • renewable energy
    TRANSFORMER Oil immersed for Solar & Wind Power SYSTEM

  • 태양광&풍력 SYSTEM용 TRANSFORMER Oil immersed
Specification Contents
Rated specification Rated Capacity 100kVA~3MVA
Phase, Frequency 1 Phase / 3 Phase , 60Hz /50Hz
Rated PRI. 3.3kV~22.9kV
Voltage SEC. 0.11kV~13.8kV
Insulation class A, B class
Dimensions and electrical characteristics can be manufactured according to customer requirements.
standards ① IEC 60076 ② IEEE C 57 ③ Other customer requirements specifications
Use ① solar and wind power plants ② substation