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Low-voltage reactive power compensation device:GGJ
Low-voltage Switchgear

Low-voltage reactive power compensation device:GGJ

The low-voltage reactive power compensation device is a key electrical equipment used to improve the power quality of low-voltage distribution networks, enhance the power factor, reduce line losses, and increase transformer capacity. It optimizes grid operation efficiency by automatically switching power capacitor banks to compensate for the lagging reactive power generated by inductive loads (such as motors and transformers) in real time.

  • Model GGJ

This intelligent control system employs smart strategies where the core controller continuously monitors system power factor or reactive current, enabling precise and rapid switching of capacitor banks for dynamic reactive power compensation. The system typically consists of an intelligent controller, switching devices (contactors or thyristors), parallel capacitors, reactors, and protection modules, featuring a compact design with easy installation and maintenance. The product series supports various solutions, ranging from simple fixed compensation to advanced dynamic hybrid compensation.
This device can effectively boost the system power factor to over 0.95, significantly reducing reactive power flow in the grid, lowering energy losses and costs, improving voltage quality, and freeing up power supply equipment capacity. It is widely used in low-voltage distribution systems for industrial, commercial, and residential buildings, serving as an ideal solution for users to achieve energy conservation, reduced consumption, and safe, economical electricity usage.

Item

Unit

Parameter

System Voltage

V

Below AC450

Switching Time

ms

t ≤ 20

Inrush Current

In

<25

Rated Frequency

Hz

50±50%

Sampling Current

A

0~5

Power Consumption of the Unit

W

≤ 15

Sensitivity

mA

100

Operating Conditions

Relative ambient humidity
Not exceeding 90% (at 20°C);
Environmental Temperature
-5°C to +40°C;
Altitude
Not exceeding 2000m;
installation site
The installation site should not be subject to severe vibration or erosion from rain and snow.

The surrounding medium should be free from explosion hazards, gases that can damage or corrode metals, and conductive dust.

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