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JKWF-W Intelligent reactive power compensation controller

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Product Description

  • brief introduction
  • technical parameter
  • Product size

Application


1.Full digital design, AC sampling, human machine?interface is large LCD display.
2.Designed with friendly human care, module asse-mbly,flow-line figure
3.It can display power factor, voltage, current, active?power, reactive power, distortion rate of total voltage?harmonic waves, distortion rate of total current har-monic waves, frequency average value, and capacitor?switching status and etc.?
4.Parameter setting, to be instructed in Chinese?words and English, digit input.
5.Capacitor control modes, two kinds: three-phase?compensated together, combined compensation,?you can set the control modes through the menu
6.Two working modes: Hand compensation/Auto?Compensation
7.Parameter sampled is reactive power, it has the?function of measuring harmonics and protections.
8.The controller provides RS-485, MODBUS standard?communication port, used to connect with?intelligent switchgear system.

Technical data


Ambient conditions

Altitude:≤2500mm

Working temperature:-20℃~+60℃

Storing temperature:-40℃~+70℃

The working site shall have no corrosive gas, no con-ductive dust, no flammable or explosive medium, also nosevere vibration, and the snow, rain is not accessible.


Measurement data:

Measuring voltage:100V~290V

Measuring current: 0~6000A (primary) sensitivity: 50mA?(secondary)

Measuring power factor: Lag 0.200 ~ Forward 0.200

Working source:220V±20%

Measuring frequency:47~53Hz

Display active power:0~6553Kw

Display reactive power:0~6553Kvar

Display the distortion rate of total voltage harmonics:0.0~100.0%

Display the distortion rate of total current harmonics:0.0~100.0%


Input / output signal:
? ? Sampling voltage: L1, L2, L3 phase voltage
? ? Sampling current: Bus phase current transformer secondary 0 ~ 5A
? ? Control output:
? ? Relay dry junction 5A / 250V Resistive (static)
? ? 12V 30mA / branch (dynamic)
? ? RS485 network control
? ? The compensation controller sampling voltage and sampling current must?be the same, and the same name end.


Display performance:
? ? LCD liquid crystal display data display refresh cycle ≤ 1s


Communication Interface Data:
? ? Communication Interface: RS-485?
? ? Protocol: MODBUS communication protocol
? ? Communication speed: 9600bps (no parity bit)


Measurement accuracy:
? ? Voltage: ± 0.5% ? ? ? ? ? ? ? ? ? Active Power: ± 1.0%
? ? Current: ± 0.5% ? ? ? ? ? ? ? ? ? Reactive power: ± 1.0%
? ? Power factor: ± 1.0% ? ? ? ? ?Frequency: ± 0.1Hz


Setting data:
? ? Total counters ratio: 50 ~ 9999 (/ 5)
? ? Switch delay: 1-240s
? ? Input threshold: 0.7 ~ -0.7
? ? Cut-out threshold: 0.7 ~ -0.7 (cut-out threshold - investment threshold> 0.3)
? ? Overvoltage settings: 220V ~ 260V
? ? Undervoltage setting: 180V ~ 220V
? ? Tension upper limit: 1% ~ 99% (99% to turn off this protection)
? ? Fluffy ceiling: 1% ~ 99% (99% to turn off this protection)
? ? Capacitor setting: Refer to the product specification for the capacitor?setting procedure

Installation Size

113*113mm

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