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LIU Juan，LEI Hui，LÜ Jin，WANG Yang，Xu Deshu
Abstract：The state of charge（SOC）of batteries is one of the most important parameters in lithium-ionbattery management technology，and high-precision SOC estimation is beneficial for the grid connection andcontrol of energy storage stations. Battery charge and discharge data are not only time-series in nature，but als...
更多Number of views：2682 Amount of downloads：8204
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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：2794 Amount of downloads：8200
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TIAN Guangping，XUE Hua
Abstract: In response to the stable operation demand of modular multilevel converter（MMC）with singlephaseshort circuit fault，a passivity-based method based on dual-port controlled Hamiltonian with dissipation（Dual-PCHD）model was proposed. To make the grid-connected positive sequence and negative sequence currentsubs...
更多Number of views：4342 Amount of downloads：8193
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LIU Mengmeng，LI Ruifang，MIAO Weili
Abstract: In order to optimize the controller structure of the permanent magnet synchronous motor（PMSM），a simplified speed control strategy for the PMSM based on genetic algorithm（GA）was proposed.The new controller mainly includes a direct voltage controller，which uses the motor model to achieve accurate speed track...
更多Number of views：5764 Amount of downloads：8191
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QIAN Xiao，MA Xiang，LÜ Leiyan，ZHANG Wenjie，WANG Ning，ZHI Yuemei
Abstract: Traditional power grid dispatching alarm algorithm has low alarm instruction operation efficiency，low power grid dispatching failure burst rate and high alarm error alarm rate，so the power grid dispatching alarmassociation rules and decision tree algorithm based on knowledge graph were proposed. The associ...
更多Number of views：3600 Amount of downloads：8124
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HE Chengzeng，LIU Qi，XU Longbin，SHAO Yuzhou，GENG Yiwen
Abstract：Permanent magnet synchronous linear motor（PMSLM）suffers from load disturbances，frictionalforces between the guide rail and the rotor，tooth slot effects，and positioning force disturbances caused by endeffects during operation. To address these issues，a kind of PMSLM control strategy was proposed for continuo...
更多Number of views：1641 Amount of downloads：8122
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LI Ruizhe，WU Ming，LIU Shiyu
Abstract：To address the issue that existing microgrid planning evaluation methods do not adequately accountfor the influence of uncertainties in the system and environment on the evaluation results，a microgrid planningevaluation method based on regret theory-vlsekriterijumska optimizacija i kompromisno resenje（VIKOR...
更多Number of views：2532 Amount of downloads：8114
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WANG Yiming，XU Po，YANG Ke，XIA Kun，WANG Jingxia
Abstract：A 2 kV photovoltaic grid-connected inverter system based on a five-level active neutral-pointclamped（ANPC-5L）topology was designed for high-power，high-voltage applications. This topology significantlyimproved the system efficiency and reliability by increasing the number of output levels and reducing the sw...
更多Number of views：1679 Amount of downloads：8101
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FENG Yuzhe，SHENG Long，LUO Tongling，WANG Xin
Abstract：The inter-turn short circuit fault and thermal imbalance fault of the generator rotor winding will bothcause a positive correlation phenomenon between rotor vibration and excitation current. In order to improve theefficiency and accuracy of fault diagnosis，the research was conducted on the characteristics o...
更多Number of views：1191 Amount of downloads：8079
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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：3222 Amount of downloads：8071
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ZHANG Xiaolian，WU Qichuan，HAO Sipeng，Qin Shiqiu，HU Qi，ZHANG Jinhua
Abstract：The participation of wind power and energy storage in primary frequency regulation of power gridcan make better use of the advantages of wind power and energy storage for frequency regulation，which hasgradually become a new trend. However，there are some problems in the coordination of wind power system ande...
更多Number of views：2077 Amount of downloads：8057
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CAOWei，GUI Shicheng，HUANG Ruanming，HE Bilun，QIN Huancheng
Abstract: With the expansion of the interconnection scale of the power system，the impedance ratio of thepower grid increased gradually，thereby the breaking capacity of the circuit breaker was affected by the increasingattenuation time constant of the DC component of the short-circuit current .At present，the periodic...
更多Number of views：4273 Amount of downloads：8049
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LUO Xiang，LIN Dong，ZHANG Zhenyu，WANG Jueying，CAI Zhiping，LIN Ruoyin
Abstract：To tackle the issues of low execution efficiency and poor fault tolerance in traditional faultlocalization methods for active distribution networks using swarm intelligence optimization algorithms，a two-stagefault location method was introduced based on the SSA-RF algorithm and cosine similarity. Firstly，th...
更多Number of views：2151 Amount of downloads：8037
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WAN Xiaojian，WAN Zibo
Abstract：A rotor position detection strategy based on virtual neutral point was proposed to realize positionsensorless control of BLDC motor. Through the three-phase terminal voltage with the same value of three resistancesstar connection to construct a virtual neutral point，the relationship between the virtual neut...
更多Number of views：2845 Amount of downloads：8034
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LÜ Jin，XU Li，SUI Dawei，GAO Qixin，XU Deshu
Abstract: With the rapid development of China's industrial economy，the demand for strip materials isincreasing，and the construction of strip production lines both domestically and internationally is growing year byyear. However，the complexity of large-scale rolling mill systems and the harsh working environment ...
更多Number of views：2288 Amount of downloads：8027
