Reactive power automatic compensation controller (JKW)
 

Working conditions Technical Parameters

JKW series reactive power automatic compensation controller (referred to as controller) is a special equipment for low-voltage power distribution system to compensate reactive power, according to the People's Republic of China industry standard IB/T9663-2013 and power line design DLT597-1996 design. The sampling physical quantity is reactive power, it has the advantages of novel design, many functions, good control performance and high reliability, it is in a leading position in the domestic similar products and provides a brand new equipment for distribution automation.

Working conditions
Power supply voltage: rated value of 220V or 380V AC, fluctuations should not exceed ±10%; Ambient temperature: -25 ° C ~ 55% ° C;
Relative humidity: the maximum relative temperature is 90% / (at 20 ° C) Altitude: no more than 2000m;
Environmental conditions: no explosive flammable hazardous medium, no corrosive metal gas and conductive dust that damages electrical insulation.

Technical Parameters
1 Basic parameters
Rated voltage: AC380/AC220V±1 0%; Rated current: AC0-5A;
Rated frequency: 50Hz ± 5%.
Control parameter
Sensitivity: 100mA;
Preset in the target COSΦ: 0.70-1.00; step size 0.01; factory preset 0.95; Switching delay: 1-250s;
Overvoltage protection: 380-500/230-260V; step size 1V; hysteresis 6V; Undervoltage protection: 340V/180V; 6V difference;
CT change: 50/5A-4000/5A; step size 1;
Capacitance capacity: 0-125Kvar factory default 5Kvar; Contact capacity: 380V*5A/220V*7A per branch.
 Measurement accuracy
Voltage: ±1.0%;
Current: ±1.0%;
Power factor: ±1.0%;
Reactive power: ±2.0%.
Control parameter Main specification Features