Author(s): R. Jegatheesan, P. Sankar
Published in: International Journal of Engineering Research & Technology
License: This work is licensed under a Creative Commons Attribution 4.0 International License.
Volume/Issue: Vol.2 - Issue 11 (November - 2013)
This paper presents an improved soft switching technique zero voltage transition technique (ZVT- buck). For high frequency DC-DC converter switching losses and stresses are the main concern. One solution to this problem is replacing the switch with of a standard SMPS topology (buck, boost etc) with a resonant switch. This resonant switch topology operates under ZVS or ZCS to minimize the losses, stresses, noise, EMI and heating of the device. The proposed ZVT buck converter is compared with the ZVS buck converter. The ZVT PWM buck converter produces the less switching losses and stresses than the ZVS PWM buck converter. Also a closed loop approach designed for both the ZVS and ZVT techniques. All the above stated switching techniques are simulated using the MATLAB simulink at a frequency of 10 kHz.
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