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In general, the switching frequency of medium voltage converters is limited to a few hundred Hz. Therefore, the harmonic distortion of its output voltage may be inadequate for supplying electric motors, requiring the use of filters. In this work, the performance of such filters is evaluated in fault conditions and also for different connection types and grounding of the filter and/or the transformer...
Adjustable Frequency AC Drive Systems are nowadays a reality in industrial applications. Occurrence of failures in these systems can compromise plants production severely. Therefore, rising their reliability is highly desirable. With this in mind, grounding and protection systems have been developed over the time. Particularly, the situation of a PWM (Pulse Width Modulated) drive in a non-grounded...
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