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WANG Jie，JIN Weigang
Abstract: In view of the difficulty in detecting the uniform and non-uniform contamination of high voltage（HV）glass insulators and the inaccuracy of risk assessment，a risk assessment method for HV glass insulatorsbased on a new leakage current indicator Rhi was proposed. The new leakage current index Rhiwas derived ...
更多Number of views：1412 Amount of downloads：931
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GU Zhen，ZHUANG Gewei，HE Qing，ZHOU Lei，AN Bailong，DUAN Yan
Abstract: Accurate identification method of abnormal electricity users can provide reference for power supplyenterprises to lock in electricity theft or other violations of power users. Most abnormal user identification modelsbased on machine learning adopt unsupervised algorithms，but the accuracy of the models is l...
更多Number of views：1429 Amount of downloads：928
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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：4174 Amount of downloads：2013
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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：3799 Amount of downloads：2256
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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：3892 Amount of downloads：1924
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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：3474 Amount of downloads：3810
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ZHANG Wanying，WANG Changjiang，YU Dayang
Abstract: Due to the strong coupling between rotor speed and rotor time constant in the indirect vector controlsystem of induction motor，it is difficult to realize their parallel identification. The parallel identification based onmulti-innovation extended Kalman filter based on forgetting factor（FMI-EKF）was propose...
更多Number of views：1756 Amount of downloads：1135
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LI Junjun，LI Zhongqi，YI Jiliang
Abstract: Shared inverter can simplify the topology of the dual machines drive system under the traditional axiscontrol mode，reduce the volume and weight of the equipment. In view of the low voltage utilization rate of a single motor in the shared inverter drive system，which leads to the shortening of the constant p...
更多Number of views：1839 Amount of downloads：1153
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XUE Yufeng，SU Jianhui，WANG Haining，DU Yan
Abstract: When the input DC voltage is high，considering the limited voltage endurance capability of the powerswitch of the inverter，an input-series and output-parallel（ISOP）inverter topology was adopted，which is composed of two single-phase full-bridge inverter modules. The input DC voltage could be divided equally ...
更多Number of views：1829 Amount of downloads：1325
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CHEN Wanqing，CHEN Keren，SHI Pengjia，JIN Xiaolong，WANG Huiyuan
Abstract: To reduce the energy cost and carbon emissions due to the large-scale farming，an optimal scheduling method for integrated energy systems（IES）in low-carbon farm considering thermal dynamic characteristics of the livestock houses was proposed. First，the mathematical models of the integrated energy systems in...
更多Number of views：1526 Amount of downloads：920
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JIAO Xiaofeng，WEI Chao，HU Hongbin，FAN Zeguo，ZHANG Lihui
Abstract: With the acceleration of my country' s power spot market construction process，in order to solve theproblem of heat-electricity mismatch in the northern region，two different day-ahead scheduling strategies of aflexible co-generation plant based on the participation of cogeneration units in the day-ahead...
更多Number of views：1517 Amount of downloads：999
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LI Jiangcheng，CHEN Xiaohua，LI Haitao，ZHU Zhixu
Abstract: Because the current method does not optimize the control parameters of flexible AC transmissiondevice，resulting in unsatisfactory control results，control delay and loss rise，a flexible AC transmission devicecontrol method based on multi-objective optimization was proposed. The basic working principle of fl...
更多Number of views：1620 Amount of downloads：1054
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XU Hongkuan，LIN Shunfu，BIAN Xiaoyan，LI Dongdong
Abstract: With the reform of the electric marketization，it is of great and far-reaching significance for theconstruction of the electricity market to analyze clearly the credit evaluation problems of power users as the mainmarket. Aiming at the problem of power user credit evaluation，a comprehensive evaluation metho...
更多Number of views：1565 Amount of downloads：987
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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：1570 Amount of downloads：1020
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WU Haoting，LIN Song，XIAO Feng，KE Lingqiang
Abstract: The research of virtual machine in substation plays an important role in many fields. In view of thelow maintenance efficiency of virtual machine substation，a virtual machine substation maintenance system based on virtual reality（VR）technology was designed. Using VR technology，the three-dimensional operati...
更多Number of views：1578 Amount of downloads：1010
