variable speed electric motor offer certain advantages

Three basic types of variable speed electric motor offer certain advantages as well as disadvantages depending on your motor application. The new variable speed reducer is also discussed. While all variable frequency drives (VFDs) control the speed of an AC induction motor by varying the motor's supplied voltage and frequency of power, they all do not use the same designs in doing so. There are three major Three basic types of variable frequency drives offer certain advantages as well as disadvantages depending on your motor application. The new flux vector drive is also discussed.