Low Voltage Reactive Power Compensation Cabinet
Zhejiang Tianrun Electric Co., Ltd. is one of the leading manufacturers and suppliers of low voltage reactive power compensation cabinet in China. We are committed to providing high quality customized products with competitive price. We warmly welcome you to buy bulk advanced low voltage reactive power compensation cabinet from our factory. Also, quotation is available.
Product Overview
The GGJ type low-voltage reactive power compensation cabinet is an electrical distribution switchgear connected across a low-voltage busbar. With an intelligent controller as its core, it switches capacitor banks according to the real-time power factor, helping balance lagging reactive power from inductive loads such as motors and transformers. Suitable for AC 50/60Hz, 400V systems, it helps improve power factor, reduce line losses, stabilize voltage and enhance power quality, and is widely used in industrial enterprises, commercial buildings, substations and other sites with substantial inductive loads.

Product Features
Improved power factor
Automatic reactive compensation helps maintain a high load-side power factor and avoid penalty charges.
Reduced line losses and energy savings
Reactive current on lines is reduced, lowering line losses and improving equipment utilization.
Stabilized voltage and better quality
Helps stabilize busbar voltage and enhance power quality.
Intelligent automatic switching
A controller switches capacitor banks according to the real-time power factor.
Targeted compensation
Balances lagging reactive power from inductive loads such as motors and transformers.
Simple and easy to maintain
Relatively simple, robust structure with convenient installation and routine maintenance.
Environment Condition
- Installation site: For indoor use.
- Altitude: Not exceeding 2000m.
- Seismic intensity: Not exceeding 8 degrees.
- Ambient temperature: Not higher than +40℃ and not lower than -15℃, with a 24-hour average not exceeding +35℃.
- Relative humidity: Daily average not exceeding 95%, monthly average not exceeding 90%.
- Installation environment: Surroundings free from fire, explosion hazard, severe pollution, chemical corrosion and violent vibration.
- Note: If the above conditions are exceeded, the user and the manufacturer should negotiate a solution.
Application
Industrial enterprises
Workshops and factory distribution systems with many inductive loads such as motors, transformers and VFDs.
Commercial buildings
Distribution systems of office buildings, shopping malls, hotels, hospitals and similar sites with centralized air-conditioning and lighting loads.
Substations
Centralized reactive compensation on the low-voltage busbar side of substations.
Renewable energy & data centers
PV and wind grid-connected systems, data centers and other places requiring a stable power factor.
FAQ
Q: What is the GGJ electrical distribution switchgear?
A: The GGJ is a low-voltage reactive power compensation cabinet connected across the low-voltage busbar that automatically switches capacitor banks via an intelligent controller to compensate reactive power.
Q: What is the main function of the GGJ compensation cabinet?
A: Connected across the low-voltage busbar, it automatically switches capacitor banks to compensate lagging reactive power from inductive loads such as motors and transformers, improving power factor.
Q: Why is reactive power compensation needed?
A: Insufficient reactive power leads to low power factor, higher line losses, voltage drop and penalty charges; compensation helps address these issues.
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