JKWB Low-voltage Reactive Power compensation controller

1)all-digital design and AC sampling 2)Man-machine interface using four LED disply 3)it has harmonic measuring and protect

Technical Parameter

Environmental requirement

Height: ≤2500m

Operating temperature: -20°C~+60°C

Storage temperature: -25°C~+70°C

Operating in the environment of no corrosive gas, no conductive dust and no explosive and flammable medium. The Installation site should be no violent vibration and erosion of snow and rain

Measured data

Measuring voltage: 400V

Measuring cuttent:0~6000A

Sensitivity :120mA(twice)

Power factor measurement:lag 0.200 ~ahead 0.200

Total harmonic distortion: 0.0~100.0%

Input /Output Signal

Sampling voltage: line voltage

Current Sampling: bus-bar current transformer twice 0~5A

Control output: Connection Point of electrical equipment  5A/250V Resistive

Sampling voltage isn't the same as the current sampling 

Display performance

Digital data display data display refresh cycle≤1s 

Measuring accuracy

    Voltage ±0.5%   

Electric current ±0.5%  

Power factor  ±1.0% 

The statistics above is getting by 10 minutes' preheating of controller and calibration within one year.

Setting data

Rated transformation ratio: 1~1200(ratio)

Delay Time:  5s~100s

Target COSφ:lag 0.80~ahead -.80 step length 0.01

Overvoltage setting:400V~480V step length 2V

On and off limit:0.5~1.2(setting value is on limit value)  step length 0.1

Off limit = 1.2 - current setting

Harmonic protection: Hv: 0.0%~50.0%

Output group count: 2~12

Capacitance preset: 0~999Kvar/group

Reliability

Mean Time Between Failures(MTBF) > 25000 hours

JKWB Low-voltage Reactive Power compensation controller