Split-Phase Capacitor Controller

İçindekiler

Uygulama

ZHIMING brand of JKWF-12 Series Reactive Power Auto-compensation Controller.

1.1 Fully digital design with true AC sampling and a user-friendly human-machine interface featuring a large LCD display in English.

1.2 Modular structure with an optimized, professional appearance.

1.3 Real-time display of system parameters, including:
– Power factor
– Voltage
– Current
– Active power
– Reactive power
– Voltage total harmonic distortion (THD)
– Current total harmonic distortion (THD)
– System frequency (average)
– Capacitor switching status (on/off)

1.4 Capacitor control modes:
– Three-phase compensation
– Comprehensive (balanced) compensation

1.5 Compensation modes:
– Manual mode
– Automatic mode

1.6 Reactive power factor is used as the control sampling value, with integrated harmonic detection and protection functions.

1.7 Equipped with an RS-485 communication interface and MODBUS protocol, enabling easy integration with intelligent power distribution cabinets.

Teknik Özellikler

Measurement Data

Voltage Measurement Range: 100V – 290V
Primary Current Measurement Range: 0 – 6000A
Secondary Current Sensitivity: ≥ 50mA
Power Factor Display Range: Lagging 0.200 ~ Leading 0.200
Operating Voltage: 220V ± 20%
Frequency Range: 47 – 53Hz
Aktif Güç Ölçüm Aralığı: 0 – 6553 kW
Reaktif Güç Ölçüm Aralığı: 0 – 6553 kVar
Voltage Total Harmonic Distortion (THD): 0.0% – 100.0%
Current Total Harmonic Distortion (THD): 0.0% – 100.0%

Input / Output Signals

Voltage Sampling Inputs: L1, L2, L3 phases
Current Sampling Input: Bus current transformer (CT), secondary 0 – 5A
Control Output: Relay output

İletişim Arayüzü

Communication Port: RS-485
Protocol: MODBUS RTU
Baud Rate: 9600 bps

Settings and Adjustable Parameters

CT Ratio Setting (Primary/Secondary): 50 – 9999 (/5)
Input/Disconnection Delay Time: 1 – 240 seconds
Input Threshold Limit (cosφ): 0.7 ~ –0.7
Over-Voltage Protection Threshold: 220V – 260V
Düşük Voltaj Koruma Eşiği: 180V – 220V
Voltage Harmonic Protection Limit: 1% – 99%
- Note: Setting at 99% disables protection
Current Harmonic Protection Limit: 1% – 99%
- Note: Setting at 99% disables protection