Search Results - "Ma, Dajun"

A Review of Voltage/Current Sharing Techniques for Series-Parallel-Connected Modular Power Conversion Systems by Ma, Dajun, Chen, Wu, Ruan, Xinbo

“…Recently, more occasions with high input voltage and/or high output voltage applications are emerging. However, the existing switching devices are limited by…”
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A MMC-Based Multiport Power Electronic Transformer With Shared Medium-Frequency Transformer by Ma, Dajun, Chen, Wu, Shu, Liangcai, Qu, Xiaohui, Hou, Kai

“…A modular multilevel converter (MMC)-based multiport power electronic transformer (PET) topology with shared medium-frequency transformer (MFT) is proposed in…”
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A Multiport Power Electronic Transformer Based on Modular Multilevel Converter and Mixed-Frequency Modulation by Ma, Dajun, Chen, Wu, Shu, Liangcai, Qu, Xiaohui, Zhan, Xin, Liu, Zhong

“…Power electronic transformer (PET) is a key apparatus in smart grid system, due to the advantages of power controllability and ac/dc grids interconnection. The…”
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Analysis of Strategy for Achieving Zero-Current Switching in Full-Bridge Converters by Shu, Liangcai, Chen, Wu, Ma, Dajun, Ning, Guangfu

“…Conventional zero-voltage and zero-current-switching (ZVZCS) full-bridge converters are widely used because they can realize zero-voltage switching (ZVS) for…”
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A Low Loss Orthogonal Decoupling Magnetic Integrated Structure for Dual Active Bridge Converter by Cao, Zhenkai, Chen, Wu, Shen, Zhan, Chen, Yichen, Jin, Long, Ma, Dajun, Zou, Biao

“…The volume of magnetic components (transformer and inductor) in a dual active bridge (DAB) converter is a crucial factor determining its power density. This…”
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Effect on harmonic performance for three-level ANPC converter with small change in SHEPWM switch angles by Dajun Ma, Cungang Hu, Qiubo Ye, Qunjing Wang

“…The effect on harmonic performance for a three-level active neutral point clamp (ANPC) converter with small change in Selective Harmonic Elimination Pulse…”
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A Multiport AC-AC-DC Converter for Soft Normally Open Point by Ma, Dajun, Chen, Wu, Shu, Liangcai, Qu, Xiaohui, Gao, Shilong, Hou, Kai

“…The soft normally open point (SNOP) is a critical apparatus in AC distribution grid to increase the distributed generation (DG) penetration. The existing…”
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A MMC-Based Multiport AC-N-DC Converter for Hybrid AC/DC Systems by Ma, Dajun, Chen, Wu, Shu, Liangcai, Qu, Xiaohui, Hu, Cungang

“…Multiport converters are going to be the critical equipments in future hybrid AC/DC systems. Based on this, a MMC-based multiport AC<inline-formula> <tex-math…”
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A Multiport Power Electronic Transformer with Shared Medium-frequency Transformer by Ma, Dajun, Chen, Wu, Shu, Liangcai

“…The existing power electronic transformer (PET) topologies are governed by the low power density, high cost and large size. Therefore, a multiport PET topology…”
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A Multiport Three-stage Power Electronic Transformer by Ma, Dajun, Chen, Wu, Shu, Liangcai

“…The four-stage PETs have been wildly used in the application for locomotive traction and DC distribution. However, the four-stage PETs have complex structure…”
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Multivariate Correlation Coefficient Decomposition and Its Application to Visual Evoked Potentials by Junpeng, Zhang, Dajun, Ma, Yuan, Cui, Liujun, Yong

“…Interactions between cortical areas are crucial for cognitive functioning. We develop a method, called multivariate correlation coefficient decomposition, to…”
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A Multiport Power Electronic Transformer Based on MMC with Resonant Circuit for DC Distribution by Yang, Jinggang, Liu, Yang, Liu, Ruihuang, Yuan, Yubo, Ma, Dajun, Chen, Wu, Lei, Jiaxing

“…The existing power electronic transformer (PET) topologies based on modular multilevel converter (MMC) can provide multiple voltage ports. However, these PET…”
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An Assembly High Voltage DC Circuit Breaker Based on Pre-charged Capacitors by Ma, Dajun, Chen, Wu, Ye, Han, Xue, Chengyang, Pan, Pengpeng, Zhu, Xu

“…In order to solve the problems of high cost and poor current limiting effect in most conventional hybrid DC circuit breaker, this paper proposes an assembly DC…”
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DC Bias Study for DC-DC Dual-Active-Bridge Converter by Shu, Liangcai, Chen, Wu, Lin, Zhiguang, Ma, Dajun, He, XiaoKun, Syed, Waqar Azeem

“…For the dual-active-bridge (DAB) converter, the adoption of high-frequency transformer provides galvanic isolation, but also brings the possibility of dc bias…”
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A Novel ZCS Full-Bridge PWM Converter with Simple Auxiliary Circuits by Niu, Rongyi, Zhang, Weiguo, Chen, Wu, Shu, Liangcai, Ning, Guangfu, Ma, Dajun

“…Classical full-bridge converters with zero-voltage and zero-current-switching (ZVZCS) mainly achieve the zero-voltage-switching (ZVS) in leading leg and the…”
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Neutral-point potential balancing strategy for three-level ANPC converter base on discontinuous PWM by Liu, Ying, Hu, Cungang, Chen, Quan, Ma, Dajun, Zhao, Lijuan

“…A neutral-point potential balancing strategy for three-level active neutral point clamp (ANPC) converter based on discontinuous PWM is presented. In this…”
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Abstracts vol 8, issue 1, 1990 by Xiaoning, Huai, Rongkun, Gao, Chuanshe, Wei, Jiaqing, Yao, Hengru, Dai, Yaguo, Liu, Dajun, Ma, Xinghong, Zhu, Gengli, Cheng, Songqing, Niu, Xiangpeng, Li, Lijun, Fan, Wentao, Gong, Yuanwen, Lin, Yunguan, San, Shaohua, Yang, Jinlong, Huang, Changliang, Li, Huaming, Sun, Huanqi, Lin, Xiangyuan, Fang, Fanghua, Li, Xiuqing, Chen, Lixin, Yu, Xiwen, Bai, Jixue, Song, Yan, Zhang, Rongcun, Wang, Yan, Liang, Liyang, Dai, Yinkan, Xu, Wenming, Zhang, Kaiyuan, Tu, Hanyun, Li, Shizhen, Zhong, Yaomin, Hu, Qingan, Zhu, Haijun, Lu

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