Application of the symmetrical components method in the polyphase asymmetrical AC systems The electrical supply has the proper overload fuse or circuit breaker protection. 对称分量法在过载保护电路中的应用电源供应具备适当的过载保险丝或断路器保护。
Research on the Overload Characteristic Testing Apparatus of Circuit Breaker Based on Fuzzy Control 基于模糊控制的断路器过载特性测试装置的研究