Product Introduction Designed for the requirements of the equipment it is widely used in the AC withstand voltage test of the 35-220kV class string-type voltage transformer of the power system to evaluate the main transformer from the insulation strength and also to the winding of the motor and the small transformer. Induction test; can also be used as a short-time 150Hz power supply. product features Product Characteristics 1 the company's Triple frequency transformer is simple to operate reliable performance 2 can well meet the needs of transformers transformers withstand voltage