TY - DATA ED - Primedia Workplace Learning. TI - Variable speed drives: introduction to VSD T2 - Interactive automation controls and instrumentation program PY - 2000///?] CY - [United States] PB - PRIMEDIA Workplace Learning KW - Variable speed drives KW - Electric driving N2 - The Introduction to Variable Speed Drives training program, or unit, is designed to familiarize trainees with the operation and use of variable speed drives. After completing this program, the trainees should be able to identify different types of DC and AC drives and explain how they control motor operation ER -