1)AC sampling &real-time display information 2)it has manul and auto working method 3)it has temperature test&control function
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:100V~500V
Measuring current:0~6000A
Power factor measurement:Lag 0.200~ahead 0.200
Measuring voltage: 400V
Measuring cuttent:0~6000A
Sensitivity :120mA(twice)
Power factor measurement:lag 0.200 ~ahead 0.200
Measurement temperature : 20°C~80°C
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: The electric relay stem node 5A/250V Resistive (static)
12V 300mV/ branch road ( dynamic)
Over-temperature control output : 5A 250V The electric relay stem node
Sampling voltage isn't the same as the current sampling
Display performance
The LCD Digital 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
JKWC+ Low-voltage reactive power auto compensation controller
