A High Frequency-Link Secondary-Side Phase-Shifted Full-Range Soft-Switching PWM DC–DC Converter With ZCS Active Rectifier for EV Battery Chargers
TLDR
In this paper, a new prototype of a secondary-side phase shift soft-switching PWM dc-dc converter suitable for electric vehicle battery charging systems is presented, and its operating principle is presented on the basis of theoretical analysis and simulation results.Abstract:
A new prototype of a secondary-side phase shift soft-switching PWM dc-dc converter suitable for electric vehicle battery charging systems is presented in this paper. Wide range soft-switching operations are achievable from full load to no load by effectively utilizing the parasitic inductances of the high frequency transformer in the proposed dc-dc converter. In addition, no circulating current occurs in both of the primary and secondary side full-bridge circuits; thereby, the related idling power can be minimized. As a result, high efficiency power conversion can be maintained owing to the full range soft-switching operation and wide range output power and voltage regulations. Its operating principle is presented on the basis of theoretical analysis and simulation results, and the design procedure of the circuit parameters of the proposed dc-dc converter is described. The essential performance and its effectiveness of the proposed dc-dc converter are originally demonstrated from a practical point of view in an experiment using a 1 kW-50 kHz laboratory prototype.read more
Citations
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Amit K. Jain,Raja Ayyanar +1 more
TL;DR: In this article, a comprehensive analysis and experimental results with pulsewidth-modulation (PWM) control of the dual-active-bridge (DAB) topology is presented.
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Zero-voltage and zero-current-switching full bridge PWM converter for high power applications
TL;DR: In this paper, a zero-voltage and zero-current-switching (ZVZCS) full-bridge (FB) PWM converter is proposed to overcome the limitations of the ZVS-FB-PWM converter such as high circulating energy, loss of duty cycle, and limited ZVS load range for the lagging-leg switches.
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A zero-voltage and zero-current switching three-level DC/DC converter
TL;DR: In this article, a zero-voltage and zero-current switching (ZVZCS) three-level DC/DC converter is presented, which uses a phase shift control with a flying capacitor in the primary side to achieve ZVS for the outer switches.
Proceedings ArticleDOI
PWM control of dual active bridge: comprehensive analysis and experimental verification
Amit K. Jain,Raja Ayyanar +1 more
TL;DR: In this paper, the authors present a comprehensive analysis and experimental results with PWM control of the dual active bridge (DAB) topology for high power dc-dc conversion, and propose an optimum PWM scheme that extends the soft switching range, reduces rms and peak currents at low loads, and results in significant size reduction of the transformer.
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