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XU Yelin，LU Xinqiang，ZHAO Ang，MA Li
Abstract: A cooperative control method for multi-port energy routers in distributed distribution networks wasproposed. Under the premise of power balance and bus voltage stability，seamless switching of various workingmodes of multi-port energy routers was realized to ensure the security and stability of distribution...
更多Number of views：1344 Amount of downloads：1460
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GUAN Wei，DONG Lei
Abstract：Among the junction temperature monitoring methods of insulated gate bipolar transistor（IGBT），the temperature-sensitive parameter method has attracted wide attention because of its fast response speed，low cost and easy on-line detection. Previous studies have shown that the gate threshold voltage（VTH）among t...
更多Number of views：1341 Amount of downloads：1620
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GONG Yanchao，YANG Haiyun，MIAO Junjie，GAO Zhi
Abstract: Parallel capacitor banks can effectively improve the efficiency and quality of power transmission inthe application process of power distribution network. However，due to some unreasonable factors in the switchingmode of power capacitors，it will also generate overvoltage，thus affecting the power grid. stabi...
更多Number of views：1338 Amount of downloads：1123
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CHEN Qi，HONG Feng，SHAO Dongwei，HU Xiangyu
Abstract: Pulsed xenon lamp is often used for performance testing of solar cells because its spectrum is mostsimilar to sunlight. The pulsed xenon lamp power supply is the key factor to ensure the reliable operation of thepulsed xenon lamp and improve the photoelectric conversion efficiency. In order to solve the pr...
更多Number of views：1338 Amount of downloads：3101
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XIAO Longhai，FU Ming，JIN Hai
Abstract: Aiming at the problem of power deviation caused by uncertain influence of renewable energy andelectric heating and cooling loads in the integrated energy system（IES）to realize integrated energy system optimaldispatch，a double-layer IES optimal dispatch strategy was proposed by combining the stochastic mode...
更多Number of views：1336 Amount of downloads：1577
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ZENG Jiang，XIONG Taojun，XIE Baoping，ZHAO Benqiang，MA Haijie
Abstract: Aiming at the deficiency that the traditional active power filter（APF）can only control the localharmonic source，a harmonic active defense system（HADS）based on virtual harmonic resistance was proposed.The principle of harnessing harmonics in distribution network by HADS was analyzed，the HADS simulationmodel...
更多Number of views：1331 Amount of downloads：1373
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SONG Hui，YUAN Longxiang
Abstract: Aiming at the problem of single hot spot temperature under average state and long response timeunder different load states，in order to improve the response speed，a 10 kV transformer load state detection method based on K-means algorithm was designed. The 10 kV transformer load model was established，the ove...
更多Number of views：1325 Amount of downloads：1332
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ZHANG Guoqiang，NIU Ben，YANG Hua，WANG Gaolin，XU Dianguo
Abstract: Maximum torque per ampere（MTPA）control is one of the important methods to improve theefficiency of sensorless drive system of permanent magnet synchronous motor（PMSM）. In the sensorless drivesystem，the traditional calculation method deduces the analytical solution of the optimal current vector angleaccordi...
更多Number of views：1323 Amount of downloads：1845
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YANGYifan，YIN Han，LU Zhiye，YU Xueying
Abstract: In order to solve the problems of large volume and short service life of the traditional electrolyticcapacitor frequency converter，the thin film capacitor was used to replace the electrolytic capacitor to constitute theAC-DC-AC frequency converter without electrolytic capacitor. Aiming at the problem of bu...
更多Number of views：1320 Amount of downloads：1849
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TIAN Kai，YU Zhibin，YUAN Yuan，CHU ZiLin，CHEN Yujie，SUN Chuanjie
Abstract: A test method was proposed that can evaluate the ultimate power output capability of large capacityIGCT three-level converter. Based on synchronous symmetrical PWM modulation and temperature estimationmodel，the power experiment of IGCT three-level converter was carried out，which can test the equipment capa...
更多Number of views：1316 Amount of downloads：1135
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JIA Dexiang，ZHONG Cheng，LIU Zhanjie，ZHENG Houqing，GUO Yang
Abstract: Photovoltaic（PV）generation usually operates in maximum power point tracking（MPPT）mode，which cannot provide inertia and frequency support for the power system. Virtual synchronous generator（VSG）control is an attractive control method that can provide the similar behavior of synchronous generator（SG）.However...
更多Number of views：1315 Amount of downloads：1476
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LIU Xinglong，XIE Yihan，YANG Ziyang，ZHANG Zhilong，YI Hao，ZHUO Fang
Abstract：Active power filters（APF）are widely used for dynamic compensation of power system harmonic.However，under weak grid conditions，the interaction between APF，nonlinear loads and grid impedance can easily lead to the stability issue of harmonic oscillation around the compensation frequency，resulting in the fault...
更多Number of views：1303 Amount of downloads：1511
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DAI Hui，LIU Yuxiang，LI Guorun，WANG Jianyuan，LIU Jingwen，TAN Wanqi
Abstract：Three port converter（TPC）has the characteristics of high integration，high power density andsingle-stage conversion between ports，but at the same time，the energy flow is affected by the interaction ofmultiple variables. Model predictive control（MPC）was introduced to optimize the dynamic response of outputvol...
更多Number of views：1303 Amount of downloads：1387
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YANG Fan，WANG Huanmin
Abstract：With the development of power electronics technology，microgrid type energy storage inverters withvirtual synchronous generator（VSG）function have also been widely used. In VSG technology，due to the presenceof inertial frequency regulation loop and voltage regulation loop，the inverter can realize the grid fre...
更多Number of views：1303 Amount of downloads：1049
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FANG Qiang，CHENG Zhijiang，YANG Handi
Abstract: For the problem of uneven power output and unbalanced state of charge（SOC）of energy storageunits caused by large-scale integration of distributed generation systems（DGS），such as photovoltaic and windturbine，into the grid，an improved consistency algorithm based on gradient compensation was proposed based on...
更多Number of views：1298 Amount of downloads：1240
