2021
DOI: 10.1088/1742-6596/2076/1/012094
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Fracture Failure Analysis of the Energy Storage Spring of the Circuit Breaker in the 110kV Substation

Abstract: Through a macro inspection, chemical composition analysis, hardness inspection, graphite carbon inspection and energy spectrum analysis, the reason for the break of the energy storage spring of the circuit breaker in a 110kV substation are analyzed. The results show that poor manufacturing technology and anti-corrosion technology of the spring are the main reason for its fracture. Corresponding control measures are put forward to avoid similar failures from happening again.

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