Control of the motor protection apparatus

The present invention provides a motor control and protection of species, including the inverter, a first converter, a second temperature detecting means and the converter, a second converter for generating a first signal according to an input control signal to control the working frequency converter, the said temperature detecting means for detecting a temperature of said motor and acquires the temperature signal, the second converter generating a second temperature signal to said control signal in accordance with the detected and the second control signal is supplied to the said inverter, said inverter for working based on the first control signal and the second control signal of the motor. Low cost of the motor control and protection device of the present invention, high reliability and safety.