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Capacity: 300kVA
Input
Voltage: Three-phase four-wire +PE; Phase voltage: 220V±33V, line voltage: 380V±57V; Frequency: 50/60Hz±3Hz
Feedback function: With energy feedback grid function
Input power factor: >0.99 (input rated voltage and input 50%-100% of rated current)
Input current distortion: <3% (at rated condition)
Output
Output Mode: Three-phase four-wire standard mode, three-phase unbalance mode
Voltage, Frequency: Phase voltage: 0.0~700.0V, Frequency: 40.00~70.00Hz
Rated current 440V: 227.2A
Frequency Stability: ≤ 0.01%
Voltage Distortion: Linear load < 1%
Transient recovery time: 1 ms
Three-phase: Three-phase standard mode: 120°±2°
Phase Difference: Three phase unbalance mode: 0.0°- 359.9°, adjustable by 0.1°
Overload Capacity:
105% < Output ≤ 110%, the output will be stopped within 600s
110% < Output ≤ 150%, the output will be stopped within 60s
150% < Output ≤ 200%, the output will be stopped within 2s
200% < Output, the output will be stopped immediately.
Protection Device: IGBT overheat, IGBT over current, Transformer overheat, Input under voltage, input over voltage, bus anti-recharge, Output under voltage, Output over voltage, Output lack phase, Output over current, Output over load, Output short circuit
Function
Display Mode: 8-inch LCD display, resolution: 800*600
Output Waveform: Sine wave, harmonic (2 ~ 50 harmonic superpositions), interharmonic
Transient Mode: Yes, Voltage steps (sag) from high voltage to low voltage or low voltage to high voltage
Flicker mode: Yes, call of any group of flicker parameters from Group 1~39.
HVRT/LVRT mode: Yes, the standard curve can be called or customized as required for the user
Unbalanced mode:Yes, adjustable three-phase voltage/phase difierence separately, or direct setting of three-phase unbalance
Programming Mode: 200 steps of 999999 cycles, voltage/frequency/phase angle programmed freely for output
Soft-start time: 0.0-99.9s
Online adjustment function: Online adjusting of output voltage/frequency and switch of wave in normal mode
Memory: Power down memory function, memory last output mode and parameters.
Communication: RS485 (standard), Ethernet (standard), synchronous signal (standard), RS232 (optional), GPIB (optional)
Environment: Temperature and Humidity: 0~40℃; 20-90%RH
Dimensions (WxHxDmm): 2000x1900(including base height 100) x 1150
