What kind of dc motor controller is high efficiency? It is generally more want to know about a problem, here small make up take you to understand it. 1. According to the requirement of load, the working conditions and load properties, production technology, the power supply and so on mechanical energy to consider, as far as possible satisfy the mechanical characteristic of dc motor. 2. The type of dc motor controller determine its mechanical properties, so when you are working with the mechanical properties to be appropriate. Such as high speed dc motor controller, speed rate, steady speed, speed, variable speed, such as performance, to meet the requirements of working machinery operation. 3. According to the dc motor controller running cost, as far as possible choose simple structure, reliable operation and low cost. Above is related to dc motor controller introduces, hope to help everyone.