Three single-variable frequency power supply for single-phase load power is larger, but the scene grid to withstand a limited ability to design, can effectively reduce the power grid voltage unbalance. 
 Input voltage: three phase four wire AC380V ± 15% 50/60Hz 
 Output voltage: single-phase 0-300V Adjustable ,45-70HZ adjustable. 
 Variable frequency power supply SD-20KVA inverter power supply SD-60KVA 
 Variable frequency power supply parameters 
 Model SD-10KVA SD-15KVA the SD-20KVA SD-30KVA the SD-45KVA SD-60KVA SD-100KVA 
 Low output current of 84A 126A 168A 250A 375A 500A 840A 
 High-grade 42A 63A 84A 125A 188A 250A 420A 
 Output voltage single-phase low-grade: 0-150V (110V) high-end bit: 0-300V (220V) 
 45-70Hz line of the output frequency is adjustable. 50Hz, 60Hz, 2F, 4F, 400Hz optional. 
 Work IGBT / PWM pulse width modulation (sine wave output) 
 Three-phase four-wire input voltage AC380V ± 15% 50/60Hz 
 Frequency stability ≤ 0.05% 
 Load stability of ≤ 0.5% -1.5% (linear load) 
 Waveform distortion ≤ 0.5% -1.5% (linear load) 
 Response time ≤ 2ms 
 Panel indication of voltage, current / power, frequency 
 Protection devices, overvoltage, overcurrent, overtemperature, short circuit, alarm. 
 Cooling mode fan 
 Operating temperature: 0-45 ℃ Humidity: 0-90% (non condensing) 
 Regulator (http://www.pandeng.org.cn)