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CUI Yulu，ZHANG Zhiguo，YANG Gang，GAO Yipeng，ZHAO Jiantao
Abstract：In response to the "double carbon" strategy，the state has made great efforts to develop new energy.As an important carrier of distributed new energy，the DC building microgrid system has attracted extensiveattention. In the DC building microgrid system，as the core link of voltage and power conversion，DC conv...
更多Number of views：1889 Amount of downloads：7368
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WANG Yubo，AN Yang，QIU Shuming，GAO Zhuoxuan，SUN Furun
Abstract：Inverter products have been developing towards higher power density and more compact structure.To enhance the power density of inverter systems within a limited structural space，several prototypes need to bemade and a large number of experiments conducted during the research and development process. To shor...
更多Number of views：2435 Amount of downloads：7363
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WEI Zhengyi，ZHANG Min，ZHOU Mingzhu，DING Xinping
Abstract: In practice，the parasitic parameters have a non-negligible effect on the performance of invertercircuit. The influence of the main parasitic parameters on a new type of switched-coupled-inductor quasi-Z-sourceinverter was studied. By the reasonable analysis of the influence of the parasitic parameters（para...
更多Number of views：3987 Amount of downloads：7358
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XU Dacheng ，YIN Chunya ，ZHOU Jiayang ，LI Fengting ，LIU Jiangshan
Abstract：To mitigate the fatigue load generated by wind turbine participation in primary frequency regulation，a primary frequency regulation strategy considering the fatigue load of wind turbine was proposed based on themechanical dynamic response characteristics and control device operation characteristics of wind ...
更多Number of views：2678 Amount of downloads：7355
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ZHANG Lantao，XIONG Jun，NIU Xiaonan，HUANG Xiaoyu
Abstract: Aiming at the reliability problem of high-power IGBT modules under short circuit extreme operatingconditions，the power terminals imbalanced current of IGBT modules and the resulting dynamic junctiontemperature change were comprehensively analyzed. Firstly，the current sharing characteristics of parallel ter...
更多Number of views：5282 Amount of downloads：7351
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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：3913 Amount of downloads：7346
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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：5192 Amount of downloads：7337
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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：5877 Amount of downloads：7331
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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：5232 Amount of downloads：7289
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CAI Chunchen，MAO Xuefei，ZHAO Lei，CHEN Zhen，LI Zhen
Abstract: Aiming at the problems that the working efficiency of ultrasonic motor is too low，which limits theworking endurance of the system and affects the resonant and dynamic characteristics of the motor，a speed andefficiency optimization bivariate control method under dynamic conditions was designed. First，the tw...
更多Number of views：4223 Amount of downloads：7289
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REN Xuan，CHEN Tong，DONG Lizhi，HUANG Lingtong，ZHANG Mingxia
Abstract：When a large number of energy storage devices are integrated into the power grid through a virtualsynchronous generator（VSG），improper selection of control parameters in traditional fixed inertia and dampingcontrol strategies can lead to long adjustment times or large overshoot，and fail to fully leverage the...
更多Number of views：2992 Amount of downloads：7278
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ZHANG Yubo，LIU Xu，CAO Yang
Abstract: The hybrid excited segmental rotor flux switching permanent magnet（HESRFSPM）machine basedon eccentric pole was proposed. Under the condition of constant air gap area，the segmental rotor structure based on eccentric pole can reduce 2，4，10 radial air gap flux density space harmonic amplitudes by comparing ai...
更多Number of views：4670 Amount of downloads：7277
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YAO Ying，GU Bing，FANG Zhengnan
Abstract：With the wide application of solar photovoltaic panels，the detection of hidden dangers and faults ofphotovoltaic panels has become more and more important. In order to improve the inspection efficiency ofphotovoltaic panels and the accuracy of defect detection，a target detection algorithm based on attention...
更多Number of views：1979 Amount of downloads：7270
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ZHOU Jiabin，CHEN Yufe，GU Zhaoliang，YONG Jun，ZHAO Wenbin，JIANG Pengliang
Abstract: The influence of magnetic bias current on the excitation characteristics of near-field transformers inthe DC grounding electrode from bipolar to unipolar earth mode was discussed. Based on the principle of field-circuit coupling，the DC magnetic bias co-simulation model of transformer was established and an...
更多Number of views：5307 Amount of downloads：7261
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YIN Zhenhuan
Abstract：Due to the advantages of faster dynamic performance and smaller torque ripple，high frequencypulse voltage injection（PSVI）is widely used in sensorless control of permanent magnet synchronous motor（PMSM）at low-speed range. Under low switching frequency，the dynamic and steady performance of thetraditional high...
更多Number of views：2340 Amount of downloads：7236
