AC drives alter the frequency of electrical current they receive, and then convey it to motor. It voltage level rises and dips in a sine wave. The position of the current (positive or negative) decides the direction of the flow of current. AC drives allows you to adjust fixed voltage and frequency which allows you to augment different aspects of functioning. With yaskawa AC drives repair service you will get a reliable and trusted partner to assist you in the job. Our staff is filled with specialists having several year experiences in the industry.