Power Electronics and Its Applications

Power Electronics and Its Applications

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Choppers. 7.1. INTRODUCTION. Many industrial applications require a variable- voltage dc source, therefore, it is necessary to be able to convert a fixed ... Thus, a chopper can be considered as the dc equivalent of an ac transformer and can be used to step-up or step-down the dc input voltage. ... first dc is converted to ac and then ac to dc, this technique is therefore costly, bulky, and less efficient.

Title:Power Electronics and Its Applications
Author:Alok Jain
Publisher:Penram International Publishing (India) Pvt. Ltd. - 2004


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