alexa Closed Loop Control of Zero Voltage Switching DC-DC Con
ISSN: 2332-0796

Journal of Electrical & Electronic Systems
Open Access

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Research Article

Closed Loop Control of Zero Voltage Switching DC-DC Converter to Generate Three Outputs

Prasad JS1*, Obulesh YP2 and Babu CS3

1LBR College of Engineering, Mylavaram, Andhra Pradesh, India

2KL University, Vijayawada, Andhra Pradesh, India

3JN Tech. University, Kakinada, Andhra Pradesh, India

*Corresponding Author:
Prasad JS
LBR College of Engineering
Mylavaram, Andhra Pradesh, India
Tel: 08659 – 222933
[email protected]

Received Date: July 02, 2015; Accepted Date: August 22, 2015; Published Date: September 15, 2015

Citation: Prasad JS, Obulesh YP, Babu CS (2015) Closed Loop Control of Zero Voltage Switching DC-DC Converter to Generate Three Outputs. J Electr Electron Syst 4:156. doi:10.4172/2332-0796.1000156

Copyright: © 2015 Prasad JS, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.



Hard switching specifies the stressful switching behavior of the controlled switches. During the turn-off and turn-on processes, the power electronic device has to withstand high current and voltage simultaneously, resulting in high stress and switching losses. The switching loss is directly proportional to the switch frequency, thus reducing the maximum switch frequency of the power electronic converter. The concept was to incorporate resonant tanks in the converters to create oscillatory (usually sinusoidal) voltage and/or current waveforms, so the zero current switching (ZCS) or zero voltage switching (ZVS) conditions can be achieved for the power control switches. The Soft-switched power converters are generally utilizing the resonance condition. Resonance condition is generally occurred just during the turn-off and turn-on processes, so as to create ZCS and ZVS across each switch. The Regulated three and five multiple-output dc-dc converter under zero-voltage switching (ZVS) condition is proposed. The converter is consists of three outputs altogether. With the help of two asymmetric half bridge converters, the first and second outputs are controlled. Based on the phase shift between two asymmetric half bridge converters, the third output is controlled. At high switching frequency, these multiple-output dc–dc converters can give higher efficiency. The various stages of operation, soft switching condition and controlling schemes are also explained. A closed loop and open loop control techniques of the three multiple output converter is explained.


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