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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：5486 Amount of downloads：7087
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LIU Yue，JI Guosheng，ZOU Jun，WU Hongfei，YANG Yuan，GUO Yuedong
Abstract: The optimal design of the magnetic integration and integrated printed circuit board（PCB）windingbased on a high-frequency high-density LLC resonant converter was studied. Both the transformer and resonantinductor were integrated into only one magnetic core. By configuring the resonant inductor on the second...
更多Number of views：5479 Amount of downloads：13218
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LING Chunyang，LIU Fang，LI Hao，ZHAO Yang
Abstract: SiC MOSFET devices have the characteristics of high switching frequency，low loss，and hightemperature resistance，which can significantly improve the power density and efficiency when used in wirelesscharging. However，in the control of the wireless charging converter，hard turn-on and hard turn-off are easy t...
更多Number of views：5456 Amount of downloads：7315
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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：5429 Amount of downloads：7751
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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：5410 Amount of downloads：8518
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MA Zhousheng，YAO Yang
Abstract: A novel DC current-voltage droop control method was proposed for a hybrid high-voltage directcurrent（HVDC）system composed of a voltage source converter（VSC）and a line-commutated converter（LCC）.The DC voltage droop control was used to reduce AC voltage fluctuation on the inverter side，so as to achieve thego...
更多Number of views：5402 Amount of downloads：7254
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LI Xuan，DONG Yongle，HAI Hongye，JIN Zhao
Abstract: Under the background of smart grid，higher requirements are put forward for the management level of distribution network，and the traditional static model can not meet the application requirements of refined line loss and real-time scheduling. Based on low-voltage power grid topology identification and broad...
更多Number of views：5396 Amount of downloads：8179
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ZHANG Lantao，XIONG Jun，NIU Xiaonan，HUANG Xiaoyu
Abstract: Aiming at the reliability problem of high-power IGBT modules under short circuit extreme operatingconditions，the power terminals imbalanced current of IGBT modules and the resulting dynamic junctiontemperature change were comprehensively analyzed. Firstly，the current sharing characteristics of parallel ter...
更多Number of views：5387 Amount of downloads：7824
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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：5383 Amount of downloads：8234
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XU Rui，PAN Sanbo
Abstract: Aiming at the problem that the application of multi-step model predictive control（MPC）to invertercontrol results in a doubling of the number of solutions to lead to computational difficulties，an MPC strategy basedon the improved spherical decoding algorithm was introduced. In the control strategy，the optim...
更多Number of views：5382 Amount of downloads：7209
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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：5366 Amount of downloads：7074
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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：5363 Amount of downloads：6548
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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：5359 Amount of downloads：7755
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LIU Sheng
Abstract: Voltage and current balance plays an important role in ensuring the normal operation of DC microgrid.Therefore，a new distributed voltage and current control method was proposed to realize the current sharingand voltage sharing regulation of DC micro-grid. The considered DC micro-grid was composed of severa...
更多Number of views：5357 Amount of downloads：6351
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MA Tao，XIAO Zhiyun，ZHANG Yonghong，DAI Zehui，WANG Zhiqiang
Abstract: In order to improve the reliability of LCL-filtered grid-connected three-phase inverter when using asliding mode controller，a novel sliding mode control strategy with less sensors in the abc natural frame was designed.Firstly，the sliding surface functions of phase a and phase b in the abc natural frame wer...
更多Number of views：5357 Amount of downloads：7564
