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This paper introduces a "Non-Contact" circuit breaker mechanical characteristic test system platform, which replaces the sensor with high speed camera, obtaining circuit breaker operating mechanisms movements in the process of opening and closing. According to image analysis, calculating parameters such as movable contacts travel, closing and opening time, and the average speed of closing, it can solve the problem of installing complex and time-consuming for different types of circuit breaker fixture. Meanwhile, it can significantly enhance the install test efficiency and test precision of circuit breaker operating mechanism motion parameter in the practical work.

A Test System for Moving Contact Motion Parameter of Circuit Breaker Based on PXI