Description of LCL Four-Quadrant Inverter (regenerate filter reactor )
Filter reactor together with capacitors can combine harmonic circuit to reduce the harmonic current in the system , mainly 3rd , 5th , 7th , 11th , 13th and higher . Filter reactor can be installed by parallel or serial connection .
Function of LCL Four-Quadrant Inverter (regenerate filter reactor )
PWM Rectifier LCL reactor , carrier frequency: ≥2K working Frequency: 50HZ Phase: 3
Harmonic contains the VFD’s interference for the power grid , harmonics mainly 3、5、7、9、11、13、15、17、19 , output side harmonics mostly 5~10Khz high frequency harmonics .
Rated current:≤5000A ; Rated voltage:＜1000V；dielectric strength : winding-ground 3000VAC/50HZ/60S free of damage
Insulation resistor : winding-ground , cross core screw-ground 500VDC , insulation resistance≥100MΩ ; reactor noise:＜65db (1 meter from reactor)
Protection:IP00; Insulation:F/H , Standard:IEC289;GB10229-88 (eqv IEC289:1987)
Working Environment Requirements
Altitude less than 1000 meters , above 1000meters working under clocking ; Ambient temperature -25℃~+40℃; Relative humidity : ≤ 90%
No toxic gas , no flammable and explosive item , no electroconductive dust
Wind power generation, photovoltaic ,VFD and UPS