Product Overview
JKW5C/D5 series reactive power automatic compensation controller is suitable for automatic regulation of capacitor compensation devices in low-voltage distribution systems. It enables the power factor to reach the user’s preset state, improves the utilization efficiency of power transformers, reduces line losses, and improves the supply voltage quality, thus enhancing both economic efficiency and social efficiency.
Key Features
Capacitor switching capacity is calculated by reactive power with high compensation accuracy;
High‑accuracy power factor measurement and wide display range;
Automatic current polarity identification;
Friendly man‑machine interface and easy operation;
All control parameters are fully digitally adjustable, intuitive and easy to use;
Two operation modes: automatic running and manual running;
Over‑voltage and under‑voltage protection functions;
Power‑off protection function for data retention;
Low input impedance of current signal: ≤0.01Ω.
Technical Parameters
Rated operating voltage: AC380V/AC220V;
Rated operating current: AC0‑5A;
Static output: Passive relay AC250V, 3A; Dynamic output: DC12V, 10mA per channel, common terminal positive, output loop negative;
Display power factor: Lag 0.150 ~ Lead 0.001;
Measured reactive power: 0‑9999KVar;
Under‑voltage protection value: 305V/176V;
Frequency: 45‑65Hz;
Control mode: Automatic optimization / Cyclic switching;
Sensitivity: 60mA;
Protection class: Housing IP40;
Installation instruction: Fit the controller into the cut‑out of device (cut‑out size:113mm×113mm), fasten the clips on the cut‑out and tighten the screws.
Wiring Drawing
Service Conditions
Altitude: no more than 2500 m;
Ambient temperature: -20°C ~ +50°C;
Air humidity: ≤50% at 40°C, ≤90% at 20°C;
No corrosive gas, conductive dust, flammable or explosive medium in surrounding environment;
No severe vibration at installation site.
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