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| Abnormal analysis and countermeasure of 220kV circuit breaker energy storage mechanism |
| Li Kun |
| Jiangsu Huadian Qishuyan Power Generation Co., Ltd, Changzhou, Jiangsu 213011 |
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Abstract Regarding the leakage of hydraulic spring control mechanism of circuit breaker in 220kV gas insulated switchgear equipment of a gas turbine power plant in the past three years, because discovery is not in time, cause operation and overhaul very passive circumstance. Detailed inspection and analysis of the circuit breaker energy storage mechanism and secondary circuit, and finally confirm to install the counter in the energy storage motor circuit, find the abnormal equipment as early as possible, and deal with it in time.
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Received: 05 March 2019
Published: 29 September 2019
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| [1] 西安西电开关电气有限公司. LW24-252/4000-50 252kV气体绝缘金属封闭开关设备用断路器使用说明书[Z]. 2011. |
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2019, Vol. 20 
