JKGHY intelligent combination low voltage reactive power measuring & control dev

Short Description:

1. For reactive power compensation and power distribution monitoring

2. Function: data acquisition, communication,reactive power compensation,grid parameter measurement,and analysis

3. Control method: RS485 communication and 12V voltage output control

4. Number of circuits: JKGHY-Z 32 steps, JKGHY-D 12 or 16 steps

Product Detail

Product Tags


JKGHY is an integrated controller for reactive power compensation and power distribution monitoring. It integrates data acquisition, communication, reactive power compensation, grid parameter measurement, and analysis.

If this product adopts RS485 communication method (JKGHY-Z), it can connect up to 32 pieces of HY series combined low voltage power capacitor compensation device or select 12V voltage output Control method (JKGHY-D), which can provide 12 or 16 steps Output (only one of the two methods can be selected)

Model and Meaning

1 with this function 0 without this function , can be customized

JKG HY - D 1 1 1 0 1 0 0
| | | | | | | | | | |
1 2 3 4 clock display data storage clock display data storage clock display data storage data storage
No. Name Meaning
1 Controller type JKG
2 Enterprise code HY
3 Control method Z: RS485 communication D: 12V voltage output control
4 Uplink communicationRS485 Modbus protocol-RTU) standard

*Note:JKGHY-D16 16 steps output(Can't be configured with USB interface, capacitor current detection function)

Technical Parameters

Normal working and installation conditions
Ambient temperature -25°C ~ +55°C
Relative humidity Relative humidity ≤ 50% at 40°C ; ≤ 90% at 20°C
Altitude ≤ 2000m
Environmental conditions  no harmful gas and steam, no conductive or explosive dust, no severe mechanical vibration

Power condition

Rated voltage 220V±20%; THDv≤5%
Rated frequency 50Hz ±5Hz
Measurement accuracy Voltage: ≤ ±0.5%(0.8-1.2Un),current: ≤ ±0.5%(0.2-1.2ln), reactive power: ≤ ±2%, power factor: <±1%
Control quantity JKGHY-Z

Rs485 communication control 32 pieces of intelligent capacitors (mixed or three phase compensation) or 16 pieces of communication type composite switches


12V output control 12 steps or 16 steps(composite switch node)

Compensation method mixed or three phase compensation
Control method RS485
Protective function Over-voltage protection, under-voltage protection, under-current protection, over-harmonic protection
Standard JB/T 9663-2013

Communication monitoring capability

Communication interface RS485
Communication protocol Modbus protocol
Dimension and structure Dimension(WxHxD) Mounting dimension(WxH)
1 120*120*85 113*113

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