The microcomputer protect device testing method as one of the core part in the relay testing apparatus has become the hotspot subject in the domestic and international protect fields.
微机型保护装置的测试方法作为继电保护测试仪的核心部分之一，近年来已成为国内外保护测试仪领域研究的热门课题。
This paper exemplifies the circuit construction, the function and working principle of the device of control, protect and working state display of electric maching using solid state relay.
介绍了利用固态继电器组成的电机控制、保护、运行状态显示装置的电路组成和工作原理。
This paper exemplifies the circuit construction, the function and working principle of the device of control, protect and working state display of electric maching using solid state relay.
介绍了利用固态继电器组成的电机控制、保护、运行状态显示装置的电路组成和工作原理。
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