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HU Yujie，ZHU Shenglong，WU Shaolei，FENG Yu，WANG Ming，LOU Wei
Abstract：The flexible DC interconnection of medium and low voltage can improve the flexibility andreliability of the distribution network，and the dual active bridge converter is a key link in achieving voltageconversion and electrical isolation in flexible interconnection equipment.The current source resonant dual a...
更多Number of views：1133 Amount of downloads：942
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ZHOU Qi，WANG Chenqing，KONG Xiangping
Abstract：Considering that the problem of voltage fluctuations on the DC side caused by the three-phaseimbalance of the AC grid of the flexible interconnection device，a DC voltage fluctuation suppression strategy forflexible interconnection device based on the Torricelli point was proposed. Firstly，by defining the To...
更多Number of views：1250 Amount of downloads：860
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WANG Zhengqi，WEI Wei
Abstract：Flexible multi-state switch（FMSS） is a new type of power electronic device that replacestraditional tie switches and is applied to modern distribution networks. It can optimize the consumption andregulation of distributed power sources in modern distribution networks. The FMSS controlled by VSG is notaffect...
更多Number of views：1133 Amount of downloads：871
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TAO Yan，WANG Chenqing，ZHENG Mingzhong，YUAN Yubo，KONG Xiangping，LIN Jinjiao
Abstract：With the rapid development of the society and economy and the accelerated construction of newpower systems，flexible interconnection has gradually become an important technical means for upgrading thestructure and enhancing the flexible regulation ability of distribution network. A power coordinated control ...
更多Number of views：1150 Amount of downloads：1046
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RONG Zhenshuai，CHI Yingchao，SUN Zhan，WANG Yijie，XU Dianguo
Abstract: The arrival of the 5G era has put forward higher requirements for the power system，that is，theconverter is required to have high efficiency，high power density，and rapid dynamic response. In response to thisproblem，the third generation of wide bandgap semiconductor device gallium nitride（GaN）transistors was...
更多Number of views：4371 Amount of downloads：2201
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GUO Yufei，LI Yiliang，WANG Yijie，XU Dianguo
Abstract: In order to speed up the process of "carbon neutrality" and "peak carbon dioxide emissions"，fossilenergy has been gradually replaced by renewable energy，and renewable energy will become the main powergeneration mode in the future. The combination of energy storage system and bidirectional converter become ...
更多Number of views：4009 Amount of downloads：2631
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LIU Weizhi
Abstract: In high-power traction converter，SiC devices with many advantages such as fast switching speed，high temperature resistance and low switching loss are used to replace Si devices. The three-level active neutral-pointclamped（3L-ANPC）converter based on SiC devices can reduce the burden of heat dissipation syst...
更多Number of views：4096 Amount of downloads：2136
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LIU Yue，JI Guosheng，ZOU Jun，WU Hongfei，YANG Yuan，GUO Yuedong
Abstract: The optimal design of the magnetic integration and integrated printed circuit board（PCB）windingbased on a high-frequency high-density LLC resonant converter was studied. Both the transformer and resonantinductor were integrated into only one magnetic core. By configuring the resonant inductor on the second...
更多Number of views：3658 Amount of downloads：5366
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WANG Yifeng，ZHANG Mingzhi，CHEN Bo，CHEN Mengying，CHEN Chen，XIE Wenqiang
Abstract: In order to provide a theoretical basis for the research of universal adapters in DC power distributionsystems，it is particularly important to fully understand the characteristics of DC household loads. A large number ofexperiments and tests were carried out on DC resistive home appliances among common DC ...
更多Number of views：3652 Amount of downloads：2109
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LING Chunyang，LIU Fang，LI Hao，ZHAO Yang
Abstract: SiC MOSFET devices have the characteristics of high switching frequency，low loss，and hightemperature resistance，which can significantly improve the power density and efficiency when used in wirelesscharging. However，in the control of the wireless charging converter，hard turn-on and hard turn-off are easy t...
更多Number of views：4119 Amount of downloads：2025
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CHEN Zhixiu，LIU Yang，ZHANG Hanshu，XIAYe，WANG Hao，LIU Xin
Abstract: In the period of high and new technology development，the application of SiC and other newsemiconductors promotes the development of PCB design toward integration and high efficiency. The new ideas were provided for PCB design optimization from two aspects of high frequency and high density. Among them，ther...
更多Number of views：3847 Amount of downloads：1822
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SONG Wenxiang，REN Hang
Abstract: Six phase inverter provides abundant voltage vector resources for dual three-phase permanentmagnet synchronous motor，which can make predictive current control more accurate. However，more voltagevectors cause the problem of too much calculation. At the same time，the harmonic current of dual three-phase motor...
更多Number of views：4456 Amount of downloads：2232
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ZHANG Hannian，ZHANG Tao
Abstract: The key of stable suspension of bearingless permanent magnet synchronous motor is the closed-loopcontrol of rotor radial position displacement. Usually，the high performance suspension operation of the motor relies on displacement sensor，which destroys the robustness of the motor structure and hinders the lo...
更多Number of views：4280 Amount of downloads：2259
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YIN Jianqiang，WU Xianming，WU Fengzhi，YANG Peihao
Abstract: The sensorless control of PMSM based on control algorithm is a research hotspot in the field ofmotor control. A PMSM sensorless control system based on low-speed pulse and high-frequency stator flux injectionwas proposed，and the traditional stator flux estimator was improved and the high-frequency signal wa...
更多Number of views：4299 Amount of downloads：2478
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ZHENG Weijie, SUN Tianfu, LAI Yueshen, SHANG Yaceng
Abstract: Aiming at the problem that the low-speed sensorless control system of interior permanent magnetsynchronous motor (IPMSM) based on high-frequency voltage signal injection method cannot identify the initialposition of the rotor, which causes the motor to start up difficultly, a starting strategy of IPMSM was ...
更多Number of views：4167 Amount of downloads：1902
