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GAO Xiaozhi，QIAO Yu，CAO Xin，LI Zheng，SUN Huiqin，SUN Hexu
Abstract: DC active power filter（DC-APF）can effectively suppress the bus voltage ripple of DC microgrid. Inorder to solve the problem that DC-APF can not work normally due to the failure of switching devices，a fault-tolerant DC-APF topology based on H-bridge converter was proposed，which could ensure the power qualit...
更多Number of views：4485 Amount of downloads：8159
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LIU Siyan
Abstract: In order to realize the speed estimation and speed regulation of the permanent magnet synchronousmotor（PMSM）controller，a new type of fractional-order model reference adaptive speed observer was designed.Compared with integer-order observers，this strategy enhanced the adjustable degrees of freedom of the co...
更多Number of views：4475 Amount of downloads：7765
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ZHAO Ruochen，MEI Baishan，ZHANG Jinwei，FU Wenbo
Abstract: Active power filter（APF）has become an important measure for harmonic control because it cantrack and compensate reactive power and suppress harmonics adaptively，dynamicly，and in real time. APF wastaken as the research object，and on the premise of verifying the differential flatness of the system，a differen...
更多Number of views：4469 Amount of downloads：9790
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WEI Wei，GE Qiongxuan，LI Yaohua，ZHAO Lu，ZHANG Bo
Abstract: The integrated gate commutated thyristor（IGCT）is an important element for efficient and reliableoperation of high power traction converters. The stability of high power converter system is significantly affected bythe voltage and current dynamic characteristics of the IGCT device during the turn-on and tur...
更多Number of views：4466 Amount of downloads：7530
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WANG Peng，LI Zhongzhao，GONG Zhaowei，ZHANG Ningchao
Abstract: In order to solve the problem of coupling mechanism offset in wireless power transfer system，theS-S and LCC-LCC dual topological wireless power transfer system based on parameter optimization was proposed.Firstly，the output characteristics of S-S and LCC-LCC topological energy transmission channels were an...
更多Number of views：4451 Amount of downloads：8396
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ZHENG Xiaoyong，DENG Jinxiang，HU Ren，WANG Hong
Abstract: Brushless DC motor has been widely used in the market because of its long life，high reliability andhigh torque. The sensorless control method can avoid a series of problems caused by the position sensor and furtherexpand the application of the brushless DC motor. Compared with the traditional sensorless co...
更多Number of views：4446 Amount of downloads：11127
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ZHANG Mingke，QIU Xiaoyan，SUN Xu，ZHANG Zhirong，REN Hao
Abstract: The growing electric vehicle（EV）charging load will produce significant impact on safe operationof distribution networks. The accommodation capability of EV charging load in traditional AC distributionnetworks is limited. AC/DC distribution networks with multi-terminal voltage source converter interconnecti...
更多Number of views：4441 Amount of downloads：9323
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LIU Wenqi，DING Wenfang
Abstract: In order to overcome the shortcomings of the classic Boost converter，such as low boost ratio，largeinput current ripple，and high voltage stress of power devices，a new type of zero input current ripple high gain nonisolated DC/DC converter was proposed. The combination of isolation type Sepic converter，coupl...
更多Number of views：4413 Amount of downloads：8492
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WEN Chuanxin，ZHU Jinda，WU Di，YUN Yang，CHENG Yuan，DU Bochao
Abstract: Silicon carbide（SiC）MOSFET has great advantages in improving efficiency and power density ofinverter for new energy vehicles，due to its advantages as high frequency，low loss and high junction temperature. For the SiC MOSFET module，it is very important to study the short-circuit protection with high current...
更多Number of views：4394 Amount of downloads：10318
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YIN Yongliang，WU Qiong，ZHANG Jianping，ZHANG Heng，CHENG Haozhong，ZHANG Xiaohu
Abstract: With the increasing scale of wind power installation and grid connection，the interconnection ofpower grids through tie lines can absorb wind power in a wider range，but the uncertainty of wind power output leads to an increase in the risk of system operation. Conditional value-at-risk（CVaR）was introduced in...
更多Number of views：4355 Amount of downloads：9316
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LI Zhe，LI Chengyuan，YUAN Yuan，CHEN Yujie，WANG Ziman
Abstract: Insulated gate bipolar transistor（IGBT）is widely used in the industry，but the IGBT junctiontemperature is easily affected by changes in operating conditions and the heat dissipation environment in which it islocated. Poor heat dissipation channels will cause the IGBT module to remain in a high temperature ...
更多Number of views：4339 Amount of downloads：8841
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LI Xin，LI Yundi，JIANG Jie，FU Xueguang
Abstract: In the process of using wireless power transfer（WPT）technology to charge batteries，constant current （CC）-constant voltage（CV）charging mode is adopted to ensure battery life and safety. Therefore，a hybrid topology of series-series（SS）and inductor-inductor-capacitor（LLC）topology was proposed. Based on the SS...
更多Number of views：4301 Amount of downloads：9094
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WANG Haiyan
Abstract: In order to reduce voltage overshoot of DC/DC converter and suppress chattering，a sliding modecontrol method based on improved variable speed reaching law was proposed. The improved variable speed reaching law inherited the advantages of variable speed reaching law and adjusted approach speed with system s...
更多Number of views：4288 Amount of downloads：8781
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ZHANG Liuyang，XU Limei，HUANG Ying，WANG Yao
Abstract: In order to improve the load transient response speed of Buck LED constant current driver，acapacitive current ripple-controlled（CCRC） Buck LED constant current driver was proposed. Based on theoperating principle of Buck LED constant current driver，the state space averaging model of Buck LED constantcurren...
更多Number of views：4272 Amount of downloads：9717
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LIU Naisuo，ZHANG Xingang，MA Lei，CHEN Xiuqin，YAO Hailong，MA Songyuan
Abstract: The reform project of a test bench is mainly used for the test of main reducing tension bearing，and the test instrument is equipped with the function of applying load and speed. During the trial，the traditional single closedloop control can not meet the test requirements. In order to complete the experimen...
更多Number of views：4253 Amount of downloads：11983
