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ZHOU Qi，WANG Chenqing，KONG Xiangping
Abstract：Considering that the problem of voltage fluctuations on the DC side caused by the three-phaseimbalance of the AC grid of the flexible interconnection device，a DC voltage fluctuation suppression strategy forflexible interconnection device based on the Torricelli point was proposed. Firstly，by defining the To...
更多Number of views：1155 Amount of downloads：705
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WANG Zhengqi，WEI Wei
Abstract：Flexible multi-state switch（FMSS） is a new type of power electronic device that replacestraditional tie switches and is applied to modern distribution networks. It can optimize the consumption andregulation of distributed power sources in modern distribution networks. The FMSS controlled by VSG is notaffect...
更多Number of views：1030 Amount of downloads：709
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TAO Yan，WANG Chenqing，ZHENG Mingzhong，YUAN Yubo，KONG Xiangping，LIN Jinjiao
Abstract：With the rapid development of the society and economy and the accelerated construction of newpower systems，flexible interconnection has gradually become an important technical means for upgrading thestructure and enhancing the flexible regulation ability of distribution network. A power coordinated control ...
更多Number of views：1041 Amount of downloads：887
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WANG Huahan，ZHAO Shiwei
Abstract：A dual active bridge（DAB）DC-DC converter voltage control strategy based on double-integralsliding mode control was proposed，which can obtain good control effect under the condition that the modelaccuracy requirements are low and the controller design process is simple. Firstly，the reduced-order model of the...
更多Number of views：762 Amount of downloads：573
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YANG Zhenyu，WANG Wei，XU Wenzheng，ZUO Zhiling，CHEN Changqing
Abstract：The telecommunication power supply applied in 5G base stations can save energy consumption byreducing the output voltage when the equipment works in standby state. Nevertheless，frequent and rapid outputvoltage regulating of the converters is challenging. To solve this problem，the concept of partial power co...
更多Number of views：468 Amount of downloads：353
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ZHANG Xudong，WANG Yangyang，LI Xiaolong，LÜ Jin
Abstract：Aiming at the problem that the ripple content of current and voltage in cycloconverter speed controlsystem is large and the ripple period is time-varying，the real-time sampling value is not suited for feeding back tothe speed control system directly，a variable period mean sampling algorithm was proposed. Fi...
更多Number of views：445 Amount of downloads：317
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DENG Jiahao，LIN Lingxue，ZHU Lin，WU Zilong
Abstract：Up to now，the distribution network planning project optimization method rarely considered theimpact of the speed of load growth on the power supply efficiency of the project and the year when the project isselected，and rarely considered the urgency，technical benefit and economic benefit of the project at th...
更多Number of views：546 Amount of downloads：306
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ZHOU Hao，DING Yu，WEI Xu，LI Xuesong，FAN Tianrong
Abstract：With the continuous promotion of the "double carbon" strategy，the reformation of China'selectricity market has entered a new stage，but the overall construction of the electricity market is still in theprimary stage，and there is an urgent need to develop a scientific and feasible regulatory prevention st...
更多Number of views：567 Amount of downloads：288
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ZHANG Chunxiang，LI Xin，SUN Ning
Abstract：DC high current comprehensive characteristic test device is used to detect the released characteristicsof DC low-voltage electrical overcurrent protection electrical device，which is used in low-voltage electricalindustry for DC products for long time delay，short time delay，instantaneous tripping test and sh...
更多Number of views：435 Amount of downloads：240
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CHEN Xiaoru，HUANG Longyi，YANG Mingjia，LAI Shengjie，CHI Zibin，XIA Chengjun
Abstract：In view of the lack of flexibility in the input and exit of the current metal sheath loop suppressiondevice for high voltage cables，the problems such as excessive induced voltage of the sheath and excessive powerloss were not considered when determining the suppression impedance value，a loop suppression dev...
更多Number of views：460 Amount of downloads：292
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LU Guijun，JIA Pengfei，WANG Yubo，LIU Jing，YU Shouquan
Abstract： Permanent magnet synchronous motors play an important role in industrial automation，automotive，aerospace，household appliances，and other fields due to their high efficiency，high power density，good torque performance，and ease of control. However，in the field of electrical transmission，it is not onlynecessary...
更多Number of views：921 Amount of downloads：591
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SUN Tao，WANG Tao
Abstract: The semi-bridgeless dual Boost power factor correction（PFC）circuit can obtain higher conversionefficiency without increasing common mode noise，but the return current of the input AC terminal producesadditional losses on the introduced diodes，which reduces the conversion efficiency. The replacement of diode...
更多Number of views：662 Amount of downloads：515
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ZHOU Qun，XIA Haogang，CAI Xiyu，LIN Dong，YAN Tiesheng
Abstract：The amplitudes of strong pull-in current and hold-on current passing through the high speedsolenoid valve were regulated accurately by using hysteresis control to realize pulse width modulation of thevoltage of fast solenoid valve，the duty cycle of the current pulse passing through the high speed solenoid v...
更多Number of views：668 Amount of downloads：594
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CHEN Xiaoru，HUANG Longyi，LAI Shengjie，YANG Mingjia，WANG Zeqing，XIA Chengjun
Abstract：The circulating current of metal sheath in high voltage cable is the superposition of induced currentcomponent and leakage current component. At present，the calculation of induced current component is relativelymature，but the calculation of leakage current component is insufficient，which affects the final c...
更多Number of views：694 Amount of downloads：569
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KONG Lingqing，HE Shan，DONG Xinsheng，LI Ji，YANG Dingqian，HU Shuai
Abstract: In order to solve the problem of voltage and frequency fluctuations at the grid-connected point of thepermanent magnet wind turbine during high and low voltage ride-through，a virtual synchronous generator（VSG）was proposed to control the grid-side converter to improve the inertia and damping of the permanen...
更多Number of views：798 Amount of downloads：603
