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GGJ Low-Voltage Capacitor Compensation Device

Product Details

Overview

    This device can effectively improve the power factor of electrical loads, reduce line losses, and enhance the actual load capacity of transformers, delivering significant energy-saving effects. Meanwhile, by adopting specific reactors in the system, it can also effectively prevent harmonic amplification and absorb most harmonic currents, ensuring that the total harmonic voltage distortion rate and the content limits of each harmonic current comply with national standards, thus achieving harmonic management.In contrast, using ordinary contactors to switch capacitor banks would result in large inrush currents, slow compensation times, high maintenance costs, and short service life. Therefore, we recommend that users prioritize the use of dynamic reactive power compensation devices in the following scenarios: low-voltage power grids such as substations, production workshops of industrial and mining enterprises, and civil buildings—especially in power transmission and distribution systems with frequently changing loads and unstable reactive power.
    This product complies with standards such as GB/T15576-2008 Low-Voltage Assembled Reactive Power Compensation Equipment and IEC60439 Low-Voltage Assembled Switchgear and Controlgear.

Model Definition

             

Operating Conditions

  • Ambient temperature: -5°C ~ +40°C
  • Ambient relative humidity: Not exceeding 90% (at 20°C)
  • Altitude: Not exceeding 2000 meters
  • Surrounding medium: No explosion hazards; no gases that can damage or corrode metals; no conductive dust; the installation site should not be subject to violent vibration, and should be protected from rain and snow erosion.

Product Features

  • Strong universality: This compensation cabinet can be combined with various domestic cabinet bodies, such as MNS, GCK, GGD, etc.
  • Flexible capacitor compensation combinations: Supports Y-type compensation, A-type compensation, and Y+A combined compensation modes.
  • Diverse communication methods: Equipped with RS-232/485 communication interfaces, wireless data transmission modules, or DSHRS modules for long-distance communication.
  • Accurate and safe control: Adopts voltage zero-crossing triggering; no inrush current during switching-in, and zero-crossing cutting-off to avoid high voltage during disconnection.
  • Long service life: Under maintenance-free conditions, the service life can reach more than 100,000 hours.

Technical Parameters

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

W

≤15

Sensitivity

mA

100

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