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Ring main unit intelligent and accurate measurement in-site cutting protection system and implementation method thereof

A technology of protection system and implementation method, which is applied in the direction of information technology support system, emergency protection circuit device, electrical components, etc., can solve problems such as failure to realize failure, failure expansion, and failure to perform component monitoring, so as to improve power supply stability and ensure The effect of safe and reliable operation, smooth, reliable and safe transmission

Active Publication Date: 2018-07-31
安徽广祺智能电器股份有限公司
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AI Technical Summary

Problems solved by technology

However, this system can only achieve simple fault isolation, and cannot perform targeted processing for faults of different natures; the existing technology cannot monitor the execution components in the ring main unit, and the execution components often appear "rejection", " In the case of "misoperation", the execution command cannot be effectively executed, resulting in the expansion of the fault

Method used

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  • Ring main unit intelligent and accurate measurement in-site cutting protection system and implementation method thereof
  • Ring main unit intelligent and accurate measurement in-site cutting protection system and implementation method thereof
  • Ring main unit intelligent and accurate measurement in-site cutting protection system and implementation method thereof

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Embodiment Construction

[0030] The present invention will be further described below in conjunction with the accompanying drawings.

[0031] Such as Figure 1-4 As shown, a system for intelligent and accurate measurement of in-situ cut-off protection of the ring network cabinet, the ring network cabinet includes a primary room and a secondary room; the distribution lines and switch lines in the primary room are equipped with current transformers and voltage transformers respectively The current transformer and the voltage transformer send the collected monitoring data to the controller in the secondary room, the primary room monitoring sensor of the ring network cabinet is connected to the secondary room through a data line, and the primary room is equipped with a circuit breaker. The data processing module in the controller judges whether abnormal output occurs by comparing the value of each phase of the output line with the set standard value, and calibrates and stores the information of the faulty...

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Abstract

The present invention discloses a ring main unit intelligent and accurate measurement in-site cutting protection system. A ring main unit comprises a primary chamber and a secondary chamber, a distribution line and a switching circuit in the primary chamber are provided with current transformers and voltage transformers; the current transformers and voltage transformers are configured to send collected monitoring data to a controller in the secondary chamber, a primary chamber monitoring sensor and the secondary chamber of the ring main unit are connected through a data line, and the primary chamber is internally provided with a breaker. The current transformers and voltage transformers send the collected monitoring data to the controller in the secondary chamber, a data processing moduleof the controller performs calculation and analysis of the collected data to achieve targeted processing for faults with different qualities.

Description

technical field [0001] The invention relates to the technical field of electrical equipment, and more specifically, relates to a system for intelligently and accurately measuring in-situ cutting protection of a ring network cabinet and an implementation method thereof. Background technique [0002] Ring Main Unit (Ring Main Unit) is a group of transmission and distribution electrical equipment (high-voltage switchgear) installed in a metal or non-metallic insulated cabinet or made into an assembled interval ring network power supply unit. Its core part adopts load switches and The fuse has the advantages of simple structure, small size, low price, improved power supply parameters and performance, and power supply safety. It is widely used in distribution stations and box-type substations of load centers such as urban residential quarters, high-rise buildings, large public buildings, factories and enterprises. [0003] At present, the feeder automation system scheme for the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02H7/26H02J13/00
CPCH02J13/0017H02H7/26Y04S10/20Y04S40/124Y02E60/00Y04S40/126
Inventor 莫启文查祺邵旋
Owner 安徽广祺智能电器股份有限公司
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