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HU Bo，YANG Chao，TIAN Xiaolei，LI Yunlu，YANG Junyou，CUI Jia
Abstract: When the internal parameters and topology of grid-connected power converter is unknown in somepractical applications，the existing frequency scanning based impedance modeling method can only maintain thedynamic equivalence at one operating point. To ensure the effectiveness of dynamic model in a wide operat...
更多Number of views：4137 Amount of downloads：1963
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GONG Ruibang，JIANG Qi，WANG Yuchen，ZHANG Baoqing
Abstract: A novel voltage regulation and maximum power point tracking（MPPT）control for DC microgridcomposed of PV panel，battery，constant resistance and constant power loads was proposed. A dynamic model of the DC microgrid system described by a multi-input and multi-output nonlinear system with non-affine inputs was...
更多Number of views：4112 Amount of downloads：1892
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SHI Zhibo，MENG Jie，HAN Yong，LI Xueping
Abstract: Due to the application of a large number of power electronic equipments on the aircraft，the aircraftpower supply network tends to be complicated，and thus there is an urgent need to effectively evaluate the powerquality of the power supply network. In order to evaluate AC power quality of aircraft，a compreh...
更多Number of views：4104 Amount of downloads：1698
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GAO Fengliang，HUANG Xiongfeng，FAN Hongxing，ZHANG Xuankun
Abstract: The failure rate of IGBT devices caused by excessively high temperature is as high as 55%.Improving the heat dissipation efficiency of the heat sink is the basis for ensuring the safe and reliable operation ofIGBT devices. Through theoretical analysis of IGBT module water cooling and heat dissipation，a tem...
更多Number of views：4104 Amount of downloads：1993
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ZHAO Jianyong，LI Han，WU Min，MA Runsheng，ZHAO Wenqiang，YU Ziwei
Abstract: Firstly，the significance of impedance modeling for new energy power generation equipment wasanalyzed，and the existing impedance modeling methods were explained. Aiming at the problems of low flexiblematching degree，single disturbance signal，fixed disturbance frequency and the inability of real-time measure...
更多Number of views：4098 Amount of downloads：2081
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ZHOU Jiabin，CHEN Yufe，GU Zhaoliang，YONG Jun，ZHAO Wenbin，JIANG Pengliang
Abstract: The influence of magnetic bias current on the excitation characteristics of near-field transformers inthe DC grounding electrode from bipolar to unipolar earth mode was discussed. Based on the principle of field-circuit coupling，the DC magnetic bias co-simulation model of transformer was established and an...
更多Number of views：4085 Amount of downloads：1931
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CHEN Hu，WANG Yangyang，PAN Yuedou
Abstract: In order to overcome the drawback of direct torque control of induction motor which has largetorque ripples at low speed，a generalized predictive control method was proposed and be used in the direct torque control of induction motor. The method was directly used in speed control，and didn' t depend on ...
更多Number of views：4063 Amount of downloads：1773
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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：4057 Amount of downloads：1690
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LIU Xiaodong，SUN Lunan，LIU Yawei，GUAN Peng，RONG Xifeng
Abstract: In order to meet the needs of the testing laboratory's task scheduling and process design functions，the new applications were developed based on the existing laboratory information management system，such asscheduling system and process designer. According to the type and priority of the test task，the t...
更多Number of views：4041 Amount of downloads：1687
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YANG Zhaowen，YANG Guochao，LIU Jianjun，WANG Hongwei，BAI Xinyu
Abstract: A second order filtering power dividing frequency control strategy based on virtual impedance wasproposed. The different frequency power compensation among different storage units by building invisible passfilters was achieved. The invisible pass filters including high pass filter and low pass filters were...
更多Number of views：4039 Amount of downloads：2087
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MAO Shufan
Abstract: An automatic compensation method was presented based on adaptive capacitance regulationtechnology and the principle of controlling capacitor charging and discharging voltage. Based on the turn off ability of the self-turn off device，a switch circuit composed of two self-turning off devices connected in rev...
更多Number of views：4034 Amount of downloads：1922
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SUN Lihua，ZHANG Lin，SUN Huiqin，GUO Yingjun，LI Zheng，GUO Tianliang
Abstract: The switched reluctance motor control system for electric vehicles includes motor drive and batterycharging circuit，which reduces system integration and power density. Based on the asymmetric half-bridge powerconverter of switched reluctance motor，an integrated power converter for electric vehicle was desi...
更多Number of views：4033 Amount of downloads：1810
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LIU Dongchao，XIONG Muwen，GAO Sen，ZHAO Senlin，ZHU Herong，LI Haitao
Abstract: Different types of partial discharge (PD) in gas insulated switchgear (GIS) cause different damage toGIS insulation. Correctly identifying the type of partial discharge is very important to evaluate the insulation statusof GIS. In order to simplify the process of feature extraction and improve the recognit...
更多Number of views：4015 Amount of downloads：2093
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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：4012 Amount of downloads：1893
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CHEN Zhixiu，LIU Yang，ZHANG Hanshu，XIAYe，WANG Hao，LIU Xin
Abstract: In the period of high and new technology development，the application of SiC and other newsemiconductors promotes the development of PCB design toward integration and high efficiency. The new ideas were provided for PCB design optimization from two aspects of high frequency and high density. Among them，ther...
更多Number of views：4005 Amount of downloads：1906
