Type |
Control Box |
Place of Origin |
Henan China (Mainland) |
Brand Name |
NFC |
Model Number |
JKWC+ |
External Size |
120*120 |
we have 11 years of production experience in electronic line , we have adcanced technology and qualityand have past certificate for CE and ISO9000ISO9001 .so , the Product Feature as follows: Product Introduction 2.1 Full Digitalization designed, AC Sampling, the human-machine interface is using a large-screen LCD liquid-crystal display . 2.2 Following the concept of people oriented, modularization installed with streamline case design . 2.3 Real-time display the parameters of power factor ,voltage, electrical current, active power , reactive power , the rate of voltage and current distortion , average value of frequency and the condition of capacitance. 2.4 Set the Chinese parameter tips ,digital input . 2.5 The capacitor switching control program can support equal volume/coding (1:2:2 1:2:3 1:2:4:8……..) and the fuzzy control mode of switching . 2.6 It has a manual /automatic compensation two kinds of control way . 2.7 Physical quantity sampling is reactive power has the function of measuring Harmonic and protection. 2.7it has temperature measurement and control output functions. 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