Adjustable Speed Drives Applied To Large Ac Induction Motor And Pump Systems

Adjustable speed drives (ASDs) are commonly used today in conjunction with large alternating current (AC) induction motors to drive pumps.The ASD application can provide many operational and energy conservation advantages.However, the ASD and motor must be designed as a system to realize the benefits and to avoid the potential pitfalls.This paper will review key motor design considerations and highlight some typical pump applications where ASDs can be employed.

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