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WANG Xiaoyang，ZHAO Jinbin，ZHU Yuxin
Abstract: With more and more renewable energy devices and loads connected to the traditional power grid bypower electronic equipment，the negative resistance characteristics of power electronic equipment lead to the weakinertia characteristics of high power electronic power systems. Therefore，the stability of the mul...
更多Number of views：3664 Amount of downloads：2804
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ZENG Xiaotong，WANG Rongmao
Abstract: The Vce method and the Vth method are two recommended junction temperature measurement methods in the IGBT thermal resistance test standard. However，the relationship and equivalence of the junction temperature measured by the two methods are not explained. Firstly，the voltage composition of Vce and Vth was...
更多Number of views：4347 Amount of downloads：2797
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LAI Yongbo，LU Jun，LI Huarong
Abstract: To deal with the mould quantitative casting over-pouring and spillage，based on the analysis of thetechnological process and the control characteristics for a kind of auto molten bucket casting mechanism，under the condition without depending on system concrete models，a three stages casting was proposed to r...
更多Number of views：1734 Amount of downloads：2775
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YU Jia，Wang Xiaorong，Dai Yuesheng，LI Xuan
Abstract: With the advance of smart power grid construction，the terminal laying rate of intelligent acquisitionequipment has been greatly improved，and the demand-side terminal electrification has become an irreversible trend.In recent years，the problems of users' default power supply and private overlapped lines...
更多Number of views：4763 Amount of downloads：2767
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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：4145 Amount of downloads：2747
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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：4815 Amount of downloads：2716
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HUANG Xinbing，DENG Xinglong，LIU Xiaojuan
Abstract: Aiming at the problems of low production efficiency，poor consistency of appearance and high laborintensity in the manual way of packaging tin box sleeve film for bagging drinks and tea，a kind of automaticequipment for multi-tin box supporting sleeve film was proposed，which integrated application of program...
更多Number of views：1012 Amount of downloads：2703
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ZHANG Xing，LIU Pingfei，ZHANG Liuli，ZHANG Yuwei，JIN Yu，XIAO Qian
Abstract：Under the promotion of carbon peak and carbon neutrality，in order to effectively reduce the carbonemissions of distributed generators in islanded AC/DC hybrid microgrid clusters，a distributed low-carbon controlstrategy was proposed. Firstly，the topology of the islanded AC/DC hybrid microgrid cluster was giv...
更多Number of views：740 Amount of downloads：2678
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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：4510 Amount of downloads：2652
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ZHAO Jianyong，LI Han，WU Min，MA Runsheng，ZHAO Wenqiang，YU Ziwei
Abstract: Firstly，the significance of impedance modeling for new energy power generation equipment wasanalyzed，and the existing impedance modeling methods were explained. Aiming at the problems of low flexiblematching degree，single disturbance signal，fixed disturbance frequency and the inability of real-time measure...
更多Number of views：4275 Amount of downloads：2652
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ZHONG Jie ，YAN Xiaoxia，HU Hua，WANG Zhao，ZHU Bingxu
Abstract：The electrified railways system is a complex system of traction power supply system and traincoupling. In order to ensure the safe operation of trains under complex working conditions，it is necessary toidentify the disturbance of the vehicle-network coupling system in a timely and accurate manner. To solve ...
更多Number of views：625 Amount of downloads：2647
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LI Lingxin，JIAO Yuping，SUN Jiacheng，DENG Fujin，ZHANG Qi，REN Biying
Abstract: High voltage converter is often used in high voltage direct current（HVDC）transmission system tocontrol power supply nearby at high potential. However，the high bus voltage and its wide range fluctuation in themodule pose a challenge to the high reliability design of power supply. To solve this problem，a hig...
更多Number of views：2336 Amount of downloads：2640
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NIU Qian，ZHANG Dong，WANG Junlong
Abstract: Aiming at the problems of uneven power distribution and poor stability of grid AC/DC microgrid，anew adaptive coordinated control strategy was proposed to improve the stability and power distribution accuracy ofAC/DC microgrid（MGs）system.First，for converters connectingAC microgrids and DC microgrids，a contr...
更多Number of views：4322 Amount of downloads：2631
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MA Xiaolu，WANG Zhixiong，DUAN Yanmin，ZHANG Lei，WU Yi，QI Zhuoya，HOU Jue
Abstract: The significance of promote high-efficiency motor and motor system in China was analyzed bymeans of literature research，questionnaire survey and enterprise survey. Policies and measures for the promotion of high-efficiency motors and motor systems were sorted out. Conduct market research on high-efficiency...
更多Number of views：3833 Amount of downloads：2625
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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：4495 Amount of downloads：2615
