A resonant overvoltage handling system for commercial environments

By installing anti-resonance devices in the power distribution system of a commercial environment, the problem of resonant overvoltage is solved, thereby protecting the equipment and improving the stability and efficiency of the system.

CN224438569UActive Publication Date: 2026-06-30CHONGQING WODA COMMUNICATION INFORMATION CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
CHONGQING WODA COMMUNICATION INFORMATION CO LTD
Filing Date
2025-08-11
Publication Date
2026-06-30

AI Technical Summary

Technical Problem

In modern business environments, resonant overvoltage problems caused by equipment technology improvements lead to equipment burnout, insulation damage, and shortened lifespan. Existing technologies are unable to effectively suppress the propagation of harmonics, transient currents, and external network interference.

Method used

Anti-resonance devices are installed on the machine side, distribution section, and high-voltage section, including filtering devices, dynamic reactive power micro-compensation devices, surge protection devices, and electromagnetic balancing devices. These devices are connected in parallel to suppress harmonics, transient currents, and external grid interference, thereby optimizing the stability and efficiency of the power distribution system.

Benefits of technology

It effectively suppressed resonant overvoltage, protected equipment, improved the stability and energy-saving effect of the power distribution system, and solved the three-phase imbalance problem.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model relates to the field of power quality technology and discloses a resonant overvoltage handling system for commercial environments, which suppresses resonant overvoltages at the machine side, distribution section, and high-voltage section. The system includes a first anti-resonance device, a second anti-resonance device, and a third anti-resonance device; the first and / or second anti-resonance devices are connected in parallel on the busbar at the machine side; one or more second anti-resonance devices are connected in parallel on the busbar at the distribution section; and the third anti-resonance device is connected in parallel on the busbar at the high-voltage section. The purpose of this utility model is to suppress harmonics, transient currents generated by loads in the power distribution system and interference from the external network.
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