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Cheng-Tao Tsai
In this paper, an energy storage system with voltage equalization strategy for wind energy conversion is presented. The proposed energy storage system provides a voltage equalization strategy for series-connected lead-acid batteries to increase their tot...
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Yong-Nong Chang, Hung-Liang Cheng, Hau-Chen Yen, Chien-Hsuan Chang and Wei-Di Huang
This study presents a dc/dc converter featuring soft-switching characteristic, high conversion efficiency, and high step-up ratio. The proposed circuit is composed of two parallel-connected boost converters. Only one coupled inductor is used to replace i...
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Yanni Cheong, Shuyu Cao, Ramasamy Thaiyal Naayagi and Szesing Lee
The proposed triple phase shift (TPS) dual active bridge (DAB) resonant converter control scheme is suitable for high-efficiency electrical vehicle (EV) wireless charging applications.
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Bor-Ren Lin and Wei-Po Liu
A bidirectional three-level soft switching circuit topology is proposed and implemented for medium voltage applications such as 750 V dc light rail transit, high power converters, or dc microgrid systems. The studied converter is constructed with a three...
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Cheng-Tao Tsai, Ying-Che Kuo, Ying-Piao Kuo and Chin-Tsung Hsieh
In this paper, a reflex charger with zero-voltage-switching (ZVS) and non-dissipative cells for photovoltaic (PV) energy conversion is presented. The proposed reflex charger has the following advantages: (1) A ZVS cell is incorporated to reduce the switc...
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Cheng-Tao Tsai, Chih-Lung Shen and Jye-Chau Su
In this paper, a power supply system for hybrid renewable energy conversion is proposed, which can process PV (photovoltaic) power and wind-turbine energy simultaneously for step-down voltage and high current applications. It is a dual-input converter an...
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Shaogui Fan, Jinwei Wen, Jiandong Duan, Zitong Song and Tianyu Liu
The isolated three-level DC/DC converter (ITLDC) can be used to charge electric vehicles. During the constant current charging stage, the ITLDC can be designed to realize nature zero voltage switching (ZVS). However, during the constant voltage charging ...
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Lei Yang, Xinze Chen, Yuanqi Zhang, Baoxiang Feng, Haibing Wen, Ting Yang, Xin Zhao, Jingjing Huang, Darui Zhu, Yaopeng Zhao, Aimin Zhang and Xiangqian Tong
Underwater wireless power transfer (UWPT) systems are appropriate for battery charging of compact, submerged devices without a complicated and expensive sealing structure or human contact because the power source and load are not physically connected. Fo...
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Yong-Nong Chang, Shun-Yu Chan and Hung-Liang Cheng
This paper proposes a single-stage, high power-factor light-emitting diode (LED) driver with a self-excited control scheme for the power switches. The self-excited mechanism is accomplished by fetching the driving voltages from a center-tapped transforme...
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Ching-Ming Lai, Ming-Ji Yang and Shih-Kun Liang
In this paper, in order to achieve zero ripple conditions, the use of a ripple mirror (RM) circuit for the boost converter is proposed. The operation modes are studied and steady-state analyses performed to show the merits of the proposed converter. It i...
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Kuo-Ing Hwu, Jenn-Jong Shieh and Pin-Jung Chen
In this paper, a thermoelectric conversion system for multiple heat sources is proposed. For design convenience, the overall system employs only a single-stage converter. Such a converter uses coupling inductors and switched capacitors to increase the vo...
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Dillon O?Reilly, Georg Herdrich, Felix Schäfer, Christoph Montag, Simon P. Worden, Peter Meaney and Darren F. Kavanagh
Pulsed plasma thrusters (PPT) have demonstrated enormous potential since the 1960s. One major shortcoming is their low thrust efficiency, typically <30%. Most of these losses are due to joule heating, while some can be attributed to poor efficiency of th...
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Due to the advantages of zero-voltage-switching (ZVS) and zero-current-switching (ZCS), LCLC resonant converters are universally applied in two-stage electronic power conditioners (EPCs) of space travelling-wave tube amplifiers (TWTAs). In two-stage EPCs...
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