Adapted Micro Processor technique Minimize interfere EMI using filter for input and output
Adapted 3rd generation IGBT(Insulated Gate bipolar Transistor) component Reduced rush current and noise when switching to use synchronized switching semiconductor components
Compact size, light weight, low noise, high quality and high efficiency Guarantee the stable output voltage to used very high siwtching characteristic
Steady contro PWM(Pulue Width Modulation) format high frequency(20 KHz) IGBT Easy operating for safety
Compact, light weight and low noise Various self conditions checking function
Separate phase control for 3 phase input(Designed less then 2% tolerance voltage stabiility within 100% unstable load)



Power Rating (KVA) 1 2 3 5 7.5 10 20 30 50
General Characteristics
Cooling Method Forced Cooling by Fan
Rating 100% Continuous Use
Rectification Full-Wave Birdge & Booster-Type Chopper
Control
Method Element
Diode & F.E.T
Inverter Control
Method
I.G.B.T high frequency (18 KHz) Instantaneous control Pulse Width Modulation
Static Switch Transfer Synchronous Transfer Method
Transformer Insulation class H
Input Power
Phase 1¥õ 2W or 3¥õ 3W
Rated Voltage 110V, 220V, 380V, 440V
Frequency 50 / 60Hz ¡¾ 5%
Output Power
Phase 1¥õ 2W or 1¥õ 3W
Rated Voltage 110V, 220V, 110V/ 220V
Voltage Stability Within ¡¾ 1%
Rated Frequency 50 / 60Hz ¡¾ 0.5Hz (When inventer is under operation)
Frequency Synchronuos Range ¡¾ 1 Hz
Transient Voltage Fluctuation Within ¡¾ 5%
Transient Response Time Within 20mS (Return within ¡¾2%)
Voltage Regulation Within ¡¾ 5%
Wave Form Distortion Within ¡¾ 3%
Efficiency 1KVA - 3KVA :Over 80%

5KVA - 50KVA :Over 85%
Overload 120% for 10 minutes
Power Factor 0.8 Lag
Noise Under 55dB (when fan is under operation)
Synchronuos Transfer Time Within 4mS

Power Rating (KVA) 10 15 20 30 50 75 100 200 300
General Characteristics
Cooling Method Forced Cooling by Fan
Rating 100% Continuous Use
Rectification Phase control
Control
Method Element
Thyristor
Inverter Control
Method
I.G.B.T high frequency (18 KHz) Instantaneous control Pulse Width Modulation
Static Switch Transfer Synchronous Transfer Method
Transformer Insulation class H
Input Power
Phase 3¥õ 3W or 3¥õ 4W
Rated Voltage 380V or 440V
Frequency 50 / 60Hz ¡¾ 5%
Output Power
Phase 3¥õ 3W or 3¥õ 4W
Rated Voltage 280V / 120V, 380V / 220V
Voltage Stability Within ¡¾ 1%
Rated Frequency 50 / 60Hz ¡¾ 0.5Hz (When inventer is under operation)
Frequency Synchronuos Range ¡¾ 1 Hz
Transient Voltage Fluctuation Within ¡¾ 5%
Transient Response Time Within 20mS (Return within ¡¾2%)
Voltage Regulation Within ¡¾ 5%
Wave Form Distortion Within THD ¡¾ 3% against 100% Liner Load
Efficiency

10KVA, 15KVA : Over 87%
20KVA, 30KVA : Over 90%
50KVA, 75KVA, 100KVA : Over 92%
150KVA, 200KVA : Over 93%

Overload 120% for 10 minutes
Power Factor 0.8 Lag
Noise Under 55dB (when fan is under operation)
Synchronuos Transfer Time Within 4mS




MODEL CAPACITY(KVA) Case Size(mm)
Width Depth Hight
WEU - 122 1 300 630 670
WEU - 222 2 300 630 670
WEU - 322 3 300 630 670
WEU - 522 5 380 720 740
WEU - 722 7.5 500 800 1120
WEU - 1022 10 500 800 1120
WEU - 1522 15 430 820 1230
WEU - 2022 20 500 790 1230
WEU - 3032 30 740 800 1400
WEU - 4032 40 750 800 1400
WEU - 5033 50 750 800 1400
WEU - 6033 60 750 800 1400
WEU - 7533 75 800 900 1700
WEU - 10033 100 1200 950 1700
WEU - 15033 150 1400 950 2400
WEU - 20033 200 1400 950 2400


Address : 583-30 Eungam-Dong,Eunpyeong-Gu,Seoul,Korea | TEL 822)372-4015 | FAX 822)372-4191
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