一种储能型电能质量综合治理装置及方法

By designing an energy storage-type power quality comprehensive management device, and utilizing the synergistic operation of a series resonator and an energy storage device, the operational problems of traditional devices during system failures are solved. This enables power quality management and load power supply under fault conditions, thereby improving power supply reliability.

CN114665485BActive Publication Date: 2026-07-17CHINA EPRI SCIENCE & TECHNOLOGY CO LTD +2

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
CHINA EPRI SCIENCE & TECHNOLOGY CO LTD
Filing Date
2022-03-04
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Traditional power quality management devices are easily affected by system failures, are difficult to operate independently, and cannot provide the active power required by the load, thus affecting the management effect.

Method used

Design an energy storage-type power quality comprehensive management device, including a series resonator, an energy storage device, a circuit breaker and a voltage transformer. Through the coordinated work of the series resonator and the energy storage device, the load is isolated from the system when the system fails. The energy storage device provides power to the load and performs harmonic and negative sequence management.

Benefits of technology

In the event of a system failure, the energy storage-type power quality management device can isolate the system failure, provide power to the load, ensure that power quality management is not affected, and improve power supply reliability and management effectiveness.

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Abstract

一种储能型电能质量综合治理装置,包括:串联型谐振器、储能装置、断路器和电压互感器:所述串联型谐振器包括:晶闸管阀组和电容器;所述电容器与所述晶闸管阀组串联构成并联支路;所述断路器与所述并联支路并联;所述断路器通过所述电压互感器与所述储能装置连接。本发明在正常运行时,除可有效治理谐波、负序、电压波动外,还可以提供有功及无功功率;在系统故障时,将负荷与系统隔离,避免了系统原因导致的电压暂降,故障时负荷所需电能由储能装置提供,谐波和负序的治理由储能装置完成,保证了负荷的供电和电能质量治理不受系统故障的影响,同时,由于储能装置可直接向负荷提供电能,提高了供电可靠性。
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