Volume 3: Innovative Solutions for Energy Transitions: Part II

A Novel Fault Diagnosis Method of Circuit Breaker Based on Improved Bayesian Algorithm Wu Lingling, Li Yongli, Lu Yang, Sun Guangyu



The subject addressed is the fault diagnosis of the circuit breaker based on the coil current in the operating circuit. The characteristics of the coil current in the operating circuit are analyzed at length by extracting eight features. The discretization of continuous variables based on the matrix decomposition is applied to change the eight continuous features into discrete variables. Followed by that, the Bayesian algorithm is used to achieve the fault diagnosis based on the discrete variables. Finally, the accuracy of the improved algorithm is verified by the simulation results.

Keywords circuit breaker, fault diagnosis, Bayesian algorithm, discretization

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