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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：1755 Amount of downloads：1135
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HE Hengjing，ZHOU Shangli，ZHANG Bensong，XIE Wenwang，LIAN Xinkai，XU Haotian
Abstract: In order to apply the non-instrusive load montiring technology into the new generation of smartmeter，a kind of method based on the BP neural networks enhancement algorithm of clustering for loadidentification was presented. In this method，each feature was relatived to the corresponding cluster based on the...
更多Number of views：2086 Amount of downloads：1125
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GUO Jinzhi，PAN Zijun，YUAN Shaojun，SUN Rongfu，DING Ran， XU Haixiang，WANG Jingran，WANG Longyang
Abstract: The maximum power point tracking（MPPT）technology of the photovoltaic power generationsystem is the great significance to ensure the output efficiency of the photovoltaic power generation system and thestability of the system. An MPPT control algorithm was proposed based on an improved conductance increment...
更多Number of views：2341 Amount of downloads：1117
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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：2324 Amount of downloads：1117
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LU Xihao，QIAO Mingzhong，ZHANG Chi
Abstract: In view of the electromagnetic vibration and noise analysis of permanent magnet motor with Halbachstructure at rated power，the analytical expression of radial force wave of permanent magnet motor was established，and two kinds of main force waves which cause vibration and noise were analyzed. The main noise...
更多Number of views：1444 Amount of downloads：1116
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CHEN Bojian，XUN Chao，LIN Chaoqun，XIAO Fen，LIN Keyao，WU Xiangyu
Abstract: The loss rate is an important indicator to measure the technical operation level and economicoperation level of the power system. In response to the actual needs of the distribution network in management andtechnical loss reduction，based on loss statistics and theoretical calculations，a short-term loss cha...
更多Number of views：2322 Amount of downloads：1107
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王德明，李英量，贾俊辉，解晨，王语园
Abstract: The conventional overcurrent protection is ineffective in isolating faults in microgrids due to the lowfault current level contributed by distributed generations（DGs）. Because of its high agility and adaptability，themeasured impedance-based protection schemes are considered as common alternatives to detect...
更多Number of views：1848 Amount of downloads：1104
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YUE Yuanyuan，ZHANG Chao，YUAN Xingzhong，ZHU Anming， HUANG Zongjun，JIANG Bo，ZHANG Yuhan
Abstract: The spatial load of multi-power distribution network is easy to overload，which leads to thereduction of distribution network planning stability. A dynamic planning and optimization method of multi-powerdistribution network considering the spatial load layout was proposed. According to the equivalent topolo...
更多Number of views：2258 Amount of downloads：1103
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LIANG Biao，ZHANG Yiming，ZHANG Dong，LI Gen，WANG Xuhong
Abstract: With the increasing demand for geological exploration in complicated terrain in China，thedevelopment of helicopter transient electromagnetic system（HTEM）has been paid more and more attention. A pulse current transmitting circuit with multi-excitation sources was proposed to meet the demand of transmitting ...
更多Number of views：2042 Amount of downloads：1102
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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：2421 Amount of downloads：1101
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WANG Chao，CAO Wei，ZHANG Xuhang，QIU Chunfeng，CHEN Wei，LI Yun
Abstract：Based on the low-speed communication network，a multi-energy storage operation method of DCmicrogrid with improved power droop control was proposed so as to realize the balanced control in three aspects：state of charge（SOC）balance，rational power distribution among energy storage units and stable bus voltage....
更多Number of views：1836 Amount of downloads：1098
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DING Qiang，ZHU Jie，JIANG Yingxu
Abstract: Direct-drive electrically excited synchronous motor（EESM）is obtained widespread utilization inwind power generation system due to its advantages of simple construction and low cost. Firstly，a mathematicalmodel of EESM was derived and the direct torque control（DTC）algorithm for EESM was introduced based on ...
更多Number of views：1786 Amount of downloads：1091
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ZHA Haitao，XU Kexin，LI Xiaowen，LIU Bin
Abstract: Active power filter（APF）is one of the main ways to eliminate harmonic quality problems in powergrid，and LCL filter is commonly used to connect APF to power grid. In order to suppress the resonance problemcaused by LCL filter，active damping based on capacitor current feedback is a common method. Active damp...
更多Number of views：1270 Amount of downloads：1088
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ZHAO Jingjing，CHEN Linghan
Abstract: The penetration rate of renewable energy in the island AC microgrid was relatively high，and itssystem inertia was relatively low. The primary frequency regulation during island operation mainly relies onequipment such as diesel engines and energy storage. Using the fast adjustment characteristics of energy...
更多Number of views：1073 Amount of downloads：1087
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DONG Yi，ZHOU Yufei，LIU Shuai，WANG Yingying
Abstract: The coupling coefficient of the loosely coupled transformer in the inductively coupled wirelesspower transmission（ICPT）system is a key parameter affecting the conversion efficiency of the wireless energytransmission system. To improve the coupling coefficient，an equivalent magnetic circuit model was establ...
更多Number of views：1420 Amount of downloads：1085
