Rxpes medium voltage variable frequency starter (vfs) motor soft starter adopts patented technology, through the control of the thyristorto realize step frequency conversion and steplessvoltage regulation. it can output 12.5hz,25hz and 50hz (60) frequencies, and through the control of the voltage / frequency ratio realize lower starting current with higher starting torque characteristics. at the same time, it can realize voltage slope starting, constant current starting, soft stop, brake stop a