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TONG Xin，SONG Guobing，ZHANG Zhihua，WANG Junfeng，LEI Zhirong
Abstract: Due to the change of the ground parameters of the distribution network after the single-phasegrounding fault，the traditional active arc suppression method based on the ground parameters in the normaloperation state has a deviation between the compensation current reference value and the actual value. Incons...
更多Number of views：784 Amount of downloads：744
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OU Zhixin，LI Jixia，DENG Chunlan
Abstract: The reliability and stability of electric energy transmission in the power grid are the guarantee ofdriving safety，due to the impact of external interference fluctuations and current arcs on the power grid structure，its parameter acquisition and dynamic modeling become difficult. Firstly，the characteristic...
更多Number of views：707 Amount of downloads：739
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LAI Guoqing，LAI Qun，LI Ming，FENG Chaokun
Abstract: In the application of renewable energy power generation，multi-input-port power conversion systemis a high cost-effectiveness option. A multi-input-port DC-AC conversion system based on single-stage nonisolatedbuck-boost power conversion cell was propsed . Each type of DC source flows into the full-bridge c...
更多Number of views：729 Amount of downloads：733
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SHI Dongsheng，WANG Tao，QIU Shuming，WANG Wenguang，WANG Yubo
Abstract: Application of TAC1 series high performance high power inverter products of Tianjin ElectricResearch Institute on 20-high reversible mill was introduced.The common DC bus multi drive system consists ofactive infeed converter and inverter. Firstly，the device selection of the system and the calculation of tra...
更多Number of views：850 Amount of downloads：732
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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：635 Amount of downloads：724
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WU Tong，LI Jian，LI Guodong，LIU Lu，ZHU Liguo，FENG Minshan
Abstract: There are many elderly people with limb disorder in China，and exercise rehabilitation technology isan effective means of rehabilitation treatment. However，the serious imbalance of doctor-patient ratio makes itdifficult for everyone to enjoy rehabilitation medical services. Impedance control technology is u...
更多Number of views：564 Amount of downloads：723
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NIU Zongxian，FAN Bo，FU Yulin，WANG Chunguang，WU Xiaodan，YANG Chenhui
Abstract: Under traditional PI parallel control strategies，synchronous control systems of multi-motor rigidconnection structure have the problem of unbalanced motor torque output，and there is even a serious risk of shaftbreakage. Taking the rigid connection structure of multi-motor gear transmission as the research ...
更多Number of views：856 Amount of downloads：719
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YAO Yan，GAO Feilin，ZHOU Ziwang
Abstract: Aiming at the problems of increased network loss and node voltage deviation of the traditionaldistribution network after the distributed generations（DGs）is connected to the network，an optimization strategythat takes into account the reactive power output of DGs grid-connected inverter was proposed. Firstly...
更多Number of views：910 Amount of downloads：717
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ZOU Jia，ZHANG Jianqiao，JI Chengchun
Abstract: Aiming at the problem that the accuracy of the speed estimation of the traditional model referenceadaptive system（MRAS）method without speed sensor decreases after the speed load mutation in the low speedrange，a speed identification method based on the combination of back propagation（BP）double-layer artific...
更多Number of views：824 Amount of downloads：716
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YIN Xiang，ZHANG Xiaojun，FENG Xinjia，CHENG Shi，TAO Yuxin，XIAYuande
Abstract：As the penetration rate of new energy and power electronic equipment increases，the inertia anddamping of the power system decrease，and the stability decreases.The grid-forming control technology builds avoltage source to support the stable operation of the large power grid through the converter，so as to pla...
更多Number of views：838 Amount of downloads：711
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JIA Junqing，ZHANG Yifan，PAN Dazhi，LIANG Shuai，YANG Yang
Abstract: Under the background of the increasingly prominent voltage sag problem in modern power grids，itis of great engineering significance to accurately identify the users' profile of demand of voltage sag control forguiding users' precise investment decisions for voltage sag control and helping power gri...
更多Number of views：753 Amount of downloads：710
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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：903 Amount of downloads：710
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LIU Tong，YIN Zhonggang，BAI Cong，YUAN Dongsheng
Abstract: In order to improve the position sensorless control performance of permanent magnet synchronouslinear motor（PMSLM），a position sensorless control method based on disturbance compensated flux observer（DCFO）was studied. This method treats the notch filter as a disturbance observer and combines it with a feedb...
更多Number of views：853 Amount of downloads：709
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YUAN Minxin，YIN Zhonggang，LUO Peien，ZHANG Yanqing
Abstract: To address the problem of the long detection time of the current detection method during the opencircuit fault diagnosis of inverter insulated gate bipolar transistor（IGBT）of the permanent magnet synchronousmotor（PMSM）drive system，an error current polarity method based on model predictive current control（M...
更多Number of views：878 Amount of downloads：709
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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：915 Amount of downloads：704
