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High-voltage circuit breaker state online monitoring and evaluating system

A high-voltage circuit breaker and evaluation system technology, applied in circuit breaker testing, transmission systems, signal transmission systems, etc., can solve the problems of slow data transmission speed, unstable data transmission, poor data sharing, etc., and achieve fast data transmission speed , fault diagnosis and isolation are easy, and the effect of simple control

Inactive Publication Date: 2015-01-21
STATE GRID CORP OF CHINA +1
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AI Technical Summary

Problems solved by technology

[0003] In order to solve the problems of unstable data transmission, slow data transmission speed and poor data sharing in the existing high-voltage circuit breaker monitoring system, the present invention provides an online monitoring and evaluation system for high-voltage circuit breaker status

Method used

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  • High-voltage circuit breaker state online monitoring and evaluating system

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Embodiment Construction

[0009] High-voltage circuit breaker status online monitoring and evaluation system, including bay layer, process layer and station control layer;

[0010] The number of the interval layers is N; each interval layer includes 1 Hall current sensor, 1 angular displacement sensor, 1 micro-water density sensor, 1 main controller, 3 coaxial cables; Hall The current sensor is connected to the main controller through the first coaxial cable, the angular displacement sensor is connected to the main controller through the second coaxial cable, and the water density sensor is connected to the main controller through the third coaxial cable; Hall The current sensor, angular displacement sensor, micro-water density sensor and main controller together form a star topology;

[0011] The process layer includes N Ethernet switches and N optical fibers; the N Ethernet switches are connected to the N main controllers through the N optical fibers in one-to-one correspondence;

[0012] The statio...

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Abstract

The invention relates to a high-voltage circuit breaker monitoring technology, in particular to a high-voltage circuit breaker state online monitoring and evaluating system. The high-voltage circuit breaker state online monitoring and evaluating system solves the problems that an existing high-voltage circuit breaker monitoring system is instable in data transmission, low in data transmission speed and poor in data sharing. The high-voltage circuit breaker state online monitoring and evaluating system comprises bay levels, a process level and a station level; the number of the bay levels is N; each bay level comprises a Hall current sensor, an angular displacement sensor, a miniature water density sensor, a main controller and three coaxial cables; the Hall current sensor, the angular displacement sensor, the miniature water density sensor and the main controller of each bay level constitute a star topology structure; the process level comprises N Ethernet switches and N optical fibers; the station level comprises a main server and an optical fiber bus. The high-voltage circuit breaker state online monitoring and evaluating system is suitable for high-voltage circuit breaker monitoring.

Description

technical field [0001] The invention relates to a high-voltage circuit breaker monitoring technology, in particular to an online monitoring and evaluation system for a high-voltage circuit breaker state. Background technique [0002] High-voltage circuit breakers are important executive components of power systems, and they are large-scale power equipment second only to generators and transformers. Whether the high-voltage circuit breaker can operate reliably and safely is directly related to the reliability and safety of the power system operation. Therefore, in order to ensure the reliability and safety of the power system operation, the high-voltage circuit breaker monitoring system is mainly used to monitor and evaluate the operating status of the high-voltage circuit breaker online. Under the existing technical conditions, the high-voltage circuit breaker monitoring system has the following problems due to the limitation of its own structure: First, the existing high-v...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/327G08C23/06H04L12/403
Inventor 蔡安全刘佳庆李亚伟
Owner STATE GRID CORP OF CHINA
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