Monitoring and overhauling method for low-voltage side circuit breaker of 35kV box-type transformer

By constructing a historical data model of the low-voltage side circuit breaker of the 35kV box transformer and generating an maintenance model, the problem of low monitoring and maintenance efficiency of the circuit breaker in the existing technology is solved, and the reliability and safety of the power system are improved.

CN119716509AActive Publication Date: 2025-03-28HUANENG HUILI WIND POWER GENERATION CO LTD
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Patent Information

Application Number
CN202411502636.6
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-10-25
Publication Date
2025-03-28
Estimated Expiration
2044-10-25

AI Technical Summary

Technical Problem

The existing technology is difficult to effectively monitor and repair the low-voltage circuit breaker of the 35kV box transformer, affecting the safe and stable operation of the power system.

Method used

By constructing the historical current, voltage and temperature data model of the low-voltage side circuit breaker, a maintenance model is generated, and fault emergency situations are judged through time window division and fault prediction scoring control.

Benefits of technology

It improves the reliability and maintenance efficiency of the circuit breaker, reduces the risk of power system failure caused by circuit breaker failure, and ensures the safe and stable operation of the power system.

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Abstract

The invention relates to the technical field of monitoring of low-voltage side circuit breakers, and discloses a monitoring and overhauling method of a 35kV box-type transformer low-voltage side circuit breaker, which comprises the following steps of: formulating a monitoring information sampling period according to acquired equipment parameter information; constructing a low-voltage side circuit breaker maintenance model based on the historical data of the low-voltage side circuit breaker; setting a monitoring node based on the monitoring information sampling period, and obtaining low-voltage side circuit breaker real-time data of the current monitoring node; and detecting the operation fault risk of the equipment through the low-voltage side circuit breaker maintenance model, and carrying out maintenance according to the detection result. According to the invention, intelligent monitoring and automatic control of the state of the circuit breaker are realized, more refined maintenance management can be realized through evaluation of the health state of equipment and detection of operation fault risks, optimization of resource allocation is facilitated, unnecessary maintenance activities are reduced, the maintenance cost is reduced, and the efficiency and effect of maintenance work are improved at the same time.
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