alexa Improved Transformerless High Step-Up DC–DC Converter using Stacked Cockcroft Walton Voltage Multiplier | Abstract
ISSN ONLINE(2278-8875) PRINT (2320-3765)

International Journal of Advanced Research in Electrical, Electronics and Instrumentation Engineering
Open Access

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Research Article Open Access

Abstract

This paper proposes an improved Transformerless high step-up dc-dc converter using stacked Cockcroft Walton voltage multiplier. The multiplying of voltage is done using stacked cascaded voltage multiplier; the low DC voltage has been multiplied to obtain high DC voltage. The Stacked cascaded voltage multiplier is a 3 stage voltage multiplier which is designed and implemented based upon the Cockcroft Walton voltage multiplier. Two independent frequencies are used for the control strategy, one high frequency is used to minimize the size of the inductor and one low frequency is used according to the desired output voltage. The high voltage is obtained from a very low DC voltage. The obtained output is given to a DC motor. The voltage ripples produced during the motor operation is reduced in this proposed method. The Simulated motor output of the proposed converter is compared with the conventional converter, the results illustrates that the stacked cascaded voltage multiplier gives better dynamic performance and it can be used for high voltage industrial applications.

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Author(s): U.Sam Richards, C.Saravanan

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