Product Description

Working principles：
A special liquid resistor is connected in series to the rotor circuit of slip ring motor; the liquid resistor get to work when the motor starts and its resistance gradually decrease during the preset time, so as the motor can start smoothly and accelerate eventually at minimal rated current and maximum torque. After start process is completed, the rotor circuit is shorted by the contactor. Its low starting current results in no impact on motors, load and power system as well as in no harmonic to affect the power system.
 
Operating Environment:
a. The ambient temperature upper limit and lower limit are respectively **0°C and **0°C;
b. Altitude is not more than ***0m(if it exceeds ***0m, we will choose plateau style);
c. Relative humidity: daily average value should not be more than *5%, while monthly average value should not be more than *0% ;
d.Ground gradientshould be not more than 5°;
e. Places without fire, explosion risk, serious pollution, chemical corrosion and violent vibration.