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ZHANG Yexin，DENG Yunchuan，LIU Zhigang，ZHANG Yuting，CHEN Tao，HUANG Ke
Abstract: When the high-speed electric multiple units（EMUs）pass through the long downslope route，speedlimit is required to meet the safety of train operation，the regenerative braking energy generated in this process isreturned to the traction network and may threaten the safety of power supply. At present，there are ...
更多Number of views：4480 Amount of downloads：7138
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ZHANG Rui，XIAYan，HUANG Guiping，CHEN Renzhao，YANG Yili
Abstract：Aiming at the poor robustness and system vibration problem of asynchronous motors under thetraditional sliding mode control，a variability coefficient power exponent reaching law（VCPERL）was proposed todynamically change the control coefficients according to the position of the sliding mode surface，and the sl...
更多Number of views：2627 Amount of downloads：7131
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ZHANG Chao，QIU Han，LI Zhe，LIU Bochang，Zhang Baoshun，LI Chengyuan
Abstract: A control strategy of off-grid start-up of energy storage system（ESS）was proposed，which canmake all power converter systems（PCSs）entered off-grid mode smoothly and quickly in MW level battery energystorage power station，and make off-grid voltage set up. The unified off-grid phase angle and enable signal we...
更多Number of views：4906 Amount of downloads：7124
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DUAN Huiqin，HUANG Zhiyong，DU Shuping，YAN Tianbi，WEI Yongheng，WEI Hongxing，CHENG Zhuo
Abstract: Bidirectional DC-DC converter is the key equipment to realize the power balance of DC microgrid，and the accurate distribution of load current is one of the main objectives of multi converter parallel control. Aimingat the current sharing problem of bidirectional DC-DC converter，a current sharing control ba...
更多Number of views：4958 Amount of downloads：7120
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XIAO Jiakai,ZHENG Gaofeng,LIU Pengxi,LIN Deqiang
Abstract: At present, high-speed electric machines (HSEMs) have been widely used in many industrial fields. The development status and future research directions of high speed motors were summarized and discussed. Firstly, the latest research progress of different types of high-speed motors was introduced, and the ch...
更多Number of views：6142 Amount of downloads：7105
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DENG Dawei，LIU Peilin，ZHUWen，HE Chaolin，XIAWei
Abstract: In order to improve the substation dispatching and the adaptive control ability，an optimizationmethod for consistency test of substation dispatching center single line diagram modulus diagram based on theanalysis of equivalent inertia characteristics was proposed. The power control parameters of the substa...
更多Number of views：5246 Amount of downloads：7104
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FU Xuhui，FANG Chun'en，XUE Tao，HUANG Leichao，CHEN Junping
Abstract: In order to ensure that the thyristor valve body can be accurately conducted during the solid state switch switching，a solid state switch trigger control unit was designed. Firstly，the structure and working principle of the solid state switch and the structure and function of the trigger control unit were ...
更多Number of views：5546 Amount of downloads：7104
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QU Chenming，GUO Kunli，BAI Yang，LI Hang，ZHU Tinghua，MA Peng
Abstract：Considering the influence of grid voltage background harmonics in weak current networks，reverseharmonic peaks appear in the grid-connected current under weighted average current control（WACC），making itimpossible for the system to achieve zero pole cancellation and thus affecting the stability of the grid-co...
更多Number of views：2029 Amount of downloads：7092
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LI Jianjie，GAI Pengyu，WANG Lihua，ZHANG Jian，SUN Hongbo，XIN Chunqing
Abstract: In order to improve the optimal allocation of renewable energy in microgrid and reduce theuncertainty of source load in microgrid，a multi-objective coordinated scheduling optimization method for microgrid based on Pearson correlation coefficient meta-learning（PCC-ML）source load prediction was proposed. Fir...
更多Number of views：2315 Amount of downloads：7086
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LIU Shiqi，WANG Yajing，MEI Yu，ZHANG Xiangke，SHI Yao，DOU Zhenhai
Abstract: In order to solve the problem of extracting harmonic parameters by noise interference Pronyalgorithm，a harmonic analysis method based on ensemble local mean decomposition（ELMD），singular valuedecomposition（SVD）and Prony was proposed. Firstly， the noisy signal was decomposed by ELMD，and thedemarcation point ...
更多Number of views：4572 Amount of downloads：7083
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CAO Wei，DONG Haoyang，LI Yun，WEI Huangli，GAO Shengkai
Abstract: The proportion of distributed photovoltaic connected to the grid is gradually increasing，which bringsa series of problems，it can draw lessons from foreign experience to provide practical reference for solving relevantproblems. As one of the leading countries of energy transformation in Europe，Germany's ex...
更多Number of views：5754 Amount of downloads：7078
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ZHANG Liuyang，XU Limei，HUANG Ying，WANG Yao
Abstract: In order to improve the load transient response speed of Buck LED constant current driver，acapacitive current ripple-controlled（CCRC） Buck LED constant current driver was proposed. Based on theoperating principle of Buck LED constant current driver，the state space averaging model of Buck LED constantcurren...
更多Number of views：3805 Amount of downloads：7076
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LIU Yuqing，ZHANG Shijie，SHI Deyong
Abstract：Under the planned system，the fixed price makes it difficult to encourage hydropower to participatein regulation，and the complex hydraulic constraints lead to difficulties in hydropower spot market clearing. Toencourage hydropower to participate in regulation through spot-price incentives and enrich its reve...
更多Number of views：1444 Amount of downloads：7065
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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：5079 Amount of downloads：7050
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SUN Chuanjie，TIAN Kai，YANG Jingran，CHU Zilin，MA Jie
Abstract: A high-power high-frequency power supply was designed for test requirements of some specialelectrical equipment. In the power supply，cascaded H-bridge was adopted to form five-level topology structure，the integrated modulation method was adopted，including bipolar PWM modulation，carrier phase-shifted SPWMmo...
更多Number of views：4616 Amount of downloads：7048
