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JIA Junqing，LÜ Chao，LIU Dinghua，XU Hao
Abstract: With the rapid development of artificial intelligence algorithms，convolutional neural networks withfewer layers have been used in distribution network overvoltage recognition. The deep-level network has a higherrecognition rate，but requires a large number of data samples. At present，the amount of data in t...
更多Number of views：4993 Amount of downloads：5799
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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：4993 Amount of downloads：4575
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XU Zhenyu，LI Shuai，CHEN Yong，WANG Wenna
Abstract: Electromagnetic radiation affects the development of the wireless charging technologies for electricvehicles.Amethod for reducing the radiation was proposed during the procedure of the wireless charging compared to the existing schemes from the viewpoint of hardware design，software implementation，simulatio...
更多Number of views：4991 Amount of downloads：5598
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PAN Ling，FENG Qian，ZHANG Peng，SHEN Bing，ZHOU Jian，CHEN Ran，ZHAO Jinshuai
Abstract: Due to the high cable ratio of city grid，the harmonic pollution is aggravated. For the buses with high harmonic voltage content，it is necessary to evaluate the harmonic emission level of the utility side and customer side. Most of the existing evaluation methods are based on two assumptions：1）the harmonic ...
更多Number of views：4979 Amount of downloads：5000
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WANG Lu，FAN Bo，QIU Yulin
Abstract: How to effectively deal with the complex and changeable nonlinear characteristics of inductionmotor is the key to give full play to the performance of motor and maintain the robustness of motor control system.From the energy analysis，an induction motor speed control method based on passivity based iterativ...
更多Number of views：4976 Amount of downloads：5571
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REN Zhimin，LIN Yuanxiang，LIU Yang
Abstract: A magnetic actuation system of an interventional surgical robot was studied，which is a new type ofelectromagnetic driving device that uses a mobile coil with a ferrous core to realize the magnetic driving in largespace. By using the method of maximizing the magnetic field in the target region，the coil mode...
更多Number of views：4972 Amount of downloads：5647
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WANG Shanshan，NIU Ke，LI Hui
Abstract: In order to reduce the high cost of sampling circuits，simplify commutation procedure and improvethe conversion efficiency of the indirect matrix converter，a zero current commutation model predictive control（ZCC-MPC）strategy with the input voltage observation was proposed. The input voltage observer was des...
更多Number of views：4970 Amount of downloads：6549
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FU Wenqi，HUANG Yongzhang，YANG Xin，GUAN Fei，GU Yujun
Abstract: The integration of large-scale renewable energy source causes the reduction of rotational inertia inpower systems. A motor-generator pair（MGP）can provide a real inertial response（IR）capability without delay forrenewable energy generations. The electrical-mechanical model of the MGP was established based on...
更多Number of views：4967 Amount of downloads：4582
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ZHOU Liying，XIA Changhao
Abstract: Three-phase bridge converters（TPBC）are widely used in low-voltage power distribution networksto compensate the negative-sequence current and the reactive current. Because of the relatively high costs，improving the compensation effect of limited capacity equipment has high economic value and research signif...
更多Number of views：4962 Amount of downloads：5859
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LI Qi，CHEN Yihua，GUO Bin，ZHANG Deliang，GUO Shaoqing
Abstract: In order to solve the contradiction between the maximum consumption of new energy and thereserved power flow margin of operation section，a day-ahead coordination optimization method for complexcascaded power grid based on key section identification was proposed to achieve the orderly coordination among the...
更多Number of views：4954 Amount of downloads：5422
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LI Xuhui，XIE Baihuang，HUANG Xiaoyong，XUYan
Abstract: The collector line short-circuit fault is one of the most common faults for the grid-connected doublyfed wind farms. Because the introduction of the crowbar discharge resistor，after the unsymmetrical faults of the collector line，the positive and negative sequence impedances of DFIG will produce the differe...
更多Number of views：4954 Amount of downloads：6085
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FENG Qiao，WANG Na
Abstract: In order to improve the control performance of permanent magnet synchronous motor（PMSM）servosystem，weaken the influence of uncertainty in the system，and solve the chattering problem in traditional SMCtechnology，a dynamic sliding mode control（DSMC）method was proposed. Firstly，based on the PMSMmathematical m...
更多Number of views：4950 Amount of downloads：5631
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CHEN Huabin，LIU Wei，XIANG Dening，CHEN Ying
Abstract: To control the induction motor stably under the condition of uncertain disturbances，an inductionmotor speed control method based on robust sliding mode control and field oriented control was proposed based on switching gain adaptive technology. By introducing the switch adaptive gain and integrator interpo...
更多Number of views：4948 Amount of downloads：5730
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YIN Aihui，REN Ang，WU Xiaowen，HOU Jianfeng，FAN Yulin
Abstract: When fast voltage control is used in a power factor corrector（PFC），ripples on the DC side can cause grid current harmonics. To solve this problem，a novel DC voltage nonlinear PI control strategy was proposed，which could reduce the harmonic content of fast voltage closed-loop in power factor corrector. Base...
更多Number of views：4946 Amount of downloads：4609
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LÜ Chao，JIA Junqing，ZHOU Jia，WU Tianyu
Abstract: The rapid development of artificial intelligence algorithm and edge computing technology has laid afoundation for the development of a new type of over-voltage identification device of distribution network withhigher identification rate and stronger intelligence. A design method of hardware and software sy...
更多Number of views：4944 Amount of downloads：5404
