Intelligent Motor Protector’s Principle and Application

Motor protector was designed, hardware design principle and data processing principle given. Periphery circuits composed of DSP and motor protector integrated measurement, protection and monitoring together with complete net communication function, which can be with contactor etc electrical appliance element to conf igurate complete motor protection and start control equipment and to limit starting current so as to achieve energy-saving aim, maximally assuring reliability and safety of equipment operation.