Though in smaller percentage of use, encoderless flux vector, closed loop vector, and direct torque control type drives are gaining in popularity. It is hoped that this book can be used as a resource ...

you will have lessons on AC motor control components and systems, both manual and automatic. This will culminate in training for you on AC variable speed drives. In module 3 you will learn principles ...

For example, consider the United States, where the incoming line frequency is usually 60 Hz at 120 V. If an engineer has an AC motor with two poles (a pole pair motor), then the motor's synchronous ...