Transcription of Technical Guide No. 102
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Technical Guide No. 102. Effects of AC Drives on motor insulation - Knocking Down the Standing Wave A Guide to understanding installation concerns and analyzing the use of motors with AC Drives below 600 VAC . Technical Guide : The discussion, illustrations, charts and examples given in this article are intended solely to illustrate the theory and application of drive technology. Because of the many variables and requirements of applications, ABB Industrial Systems, Inc. cannot assume responsibility or liability for actual use based on the content of this article. Reproduction of any information in this article is prohibited without permission from ABB Industrial Systems, Inc. 1997 ABB Industrial Systems, Inc. All Rights Reserved ii Contents .. Page Introduction.. 2. PWM Adjustable Frequency Drives .. 3. motor insulation Systems .. 4. motor Stator Construction .. 4. A Typical motor insulation System.
This technical guide addresses the extra voltage stress on the motor’s insulation system, related to the square wave pulses comprising the PWM AFD’s voltage ... Insulation is required wherever there is a difference of electrical potential between two (2) conductors. Turn-to-turn insulation prevents one (1) turn of a
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