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NWK1-GR

NWK1-GR-ILVRPACC-5

NWK1-GR-ILVRPACC-Front-1

NWK1-GR-ILVRPACC-Front-2

NWK1-GR-ILVRPACC-4

NWK1-GR-ILVRPACC-5

NWK1-GR-ILVRPACC-Front-1

NWK1-GR-ILVRPACC-Front-2

NWK1-GR-ILVRPACC-4

NWK1-GR

The NWK1-GR Series Low Voltage Reactive Compensation Controller is a new-generation smart device designed for reactive power compensation and power quality monitoring in low-voltage distribution systems. Featuring a large dot-matrix LCD display, FFT analysis, and RS485 communication, it ensures precise control and high reliability under harmonic conditions. With support for 3-phase and mixed compensation, automatic capacitor switching, and multi-circuit output options, it delivers optimized power factor management across industrial and commercial networks.

Product Information

Application: Reactive power compensation and power distribution monitoring
Sampling Voltage Range: AC (100–800)V
Rated Frequency: 45–65 Hz
Control Signal Mode:
- Default relay output
- Optional +12VDC output (suffix “D”)
- NWK1-GR-Intelligent Low Volatag
Compensation Mode:
- GB: Common compensation
- FB: Mixed 3-phase and single-phase compensation
Output Circuits: 12 or 16 circuits
Voltage Sampling Accuracy: ±0.5%
Current Sampling Range: 0.05–5A (CT ratio: 5/5–6000/5)
Operating Temperature: −20°C to +55°C
Relative Humidity: ≤50% at 40°C, ≤90% at 20°C
Altitude: ≤2500m
Display Interface: Large LCD with multilingual (Chinese/English) and graphical display of power factor, voltage, current, harmonics (3rd–15th), KVAR, THDU, THDI, temperature, etc.
Communication Port: RS485 (supports SCADA/PLC connection)
Alarm and Protection: Overvoltage, undervoltage, over-harmonic, power factor deviation, and high-temperature alarms
Switching Delay: 2–180 seconds adjustable
Overvoltage Threshold: 100–800V adjustable
Undervoltage Threshold: 75–620V adjustable
THDV Threshold: Off / 3–90% configurable
Control Outputs:
- Relay contact output: AC220V, 5A
- Active DC output: +12VDC, 100mA
- Fastest response: 2s; dynamic: 100ms
Power Consumption: ≤8W
Panel Size: 120mm × 120mm × 95mm (embedded hole: 113mm × 113mm)
Standards Compliance: JB/T9663-2013, DL/T597-1996

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NWK1-GR-Intelligent Low Volatage Reactive Power Automatic Compensating Controller-Catalog.pdf

477.3KB

2024-10-21

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NWK1-GR-Drawing.stp

2024-10-21

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FAQs

What applications is the NWK1-GR Low Voltage Reactive Compensation Controller suitable for?

It’s designed for reactive power compensation and power quality monitoring in industrial, commercial, and utility low-voltage distribution systems, ensuring stable power factor and reduced energy loss.

Can the NWK1-GR handle harmonic-rich environments?

Yes. It uses FFT (Fast Fourier Transform) for harmonic analysis and compensates reactively even under high harmonic distortion, with harmonic protection functions that prevent misoperation.

How many capacitor circuits can this controller manage?

Depending on the model, the NWK1-GR supports 12 or 16 output circuits, allowing flexible configuration for different compensation capacities and load patterns.

What advantages does the NWK1-GR’s LCD interface provide?

The large dot-matrix LCD displays real-time electrical parameters, harmonic levels, and capacitor status with Chinese/English menus, ensuring intuitive monitoring and easy parameter setting.

Can the controller integrate with SCADA or automation systems?

Yes. It features RS485 communication and supports integration with PLC or SCADA systems, providing real-time data and control through standard industrial protocols.