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LI Weiye，GONG Yifan，XU Wei，LUO Yinglu，HE Mingjie
Abstract: As a new type of compressor，linear compressor has the advantages of high efficiency，smallvolume，low noise and little vibration. However，in order to give full play to its advantages of high efficiency，it isnecessary to control the driving frequency to track its mechanical resonance frequency. According to t...
更多Number of views：1147 Amount of downloads：1072
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CAI Weiliang，CHENG Haifeng，PAN Zhixuan，CHENG Jin，DAI Mingli
Abstract: The grid connection of doubly-fed induction generator（DFIG）leads to the reduction of systemequivalent inertia and primary frequency regulation capacity. With the increase of DFIG grid connection scale，theproblem of system frequency regulation becomes more and more serious. In view of this problem，frequency...
更多Number of views：1146 Amount of downloads：1289
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CAO Min，YU Wenjin，BAI Zeyang，YI Xin，JU Jian
Abstract：In order to ensure the minimum carbon emission and optimal power distribution of the hybridenergy storage microgrid under the constraint of carbon footprint，a distributed coordinated control algorithm of the hybrid energy storage microgrid under the constraint of carbon footprint was proposed. Based on the ...
更多Number of views：1144 Amount of downloads：1212
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JI Huancong，XIA Chengjun，WANG Zeqing，LAI Shengjie
Abstract: Aiming at the problems of high cost and poor voltage quality in the conventional power distributionscheme of long-distance electrical equipment of rail transit，a technical scheme of DC power distribution for longdistance electrical equipment was proposed to achieve the purpose of improving voltage quality ...
更多Number of views：1144 Amount of downloads：1310
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SONG Zhuoran，DOU Wenlei，LI Jianfeng，JIANG Tao，LU Sichen，JI Hansong
Abstract: In order to improve the operation economy of the distribution system with multiple industrial parksand restrain the power fluctuation of the distribution-micro tie line，a multi-time scale optimization schedulingstrategy for the distribution system with multiple industrial parks was proposed based on the ro...
更多Number of views：1142 Amount of downloads：1370
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LI Liping，SHAO Pengcheng
Abstract: It is difficult to track and control the vibration of inspection robot because of its flexible operationspace. In order to ensure the high efficiency and accuracy of the inspection robot，the position and posture servocontrol strategy based on finite difference method was proposed. The dynamic model of posi...
更多Number of views：1140 Amount of downloads：1009
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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：1139 Amount of downloads：1571
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LI Shengnan，HE Tingyi，HE Xin，HE Peng，ZHANG Yongchang，ZHANG Shengan
Abstract：During the joint operation of permanent magnet direct drive wind power generation systems，thechanges in motor side parameters may cause problems such as reduce control accuracy and stability on the machineside，which in turn affects the DC bus voltage of the converter，leading to power fluctuations on the gri...
更多Number of views：1136 Amount of downloads：1538
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OU Zhixin，LI Jixia，DENG Chunlan
Abstract: The reliability and stability of electric energy transmission in the power grid are the guarantee ofdriving safety，due to the impact of external interference fluctuations and current arcs on the power grid structure，its parameter acquisition and dynamic modeling become difficult. Firstly，the characteristic...
更多Number of views：1136 Amount of downloads：1573
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LI Zhijuan，WU Dan，LEI Ting，WANG Ning，DUAN Yan，MA Hongen
Abstract: Aiming at the problems of frequent failures and untimely maintenance of DC charging pile，a faultearly warning method of DC charging pile based on soft classification model was proposed. Based on the currentsequence and voltage sequence of the charging pile in the charging process，the differential sequence o...
更多Number of views：1129 Amount of downloads：1204
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LIU Hao，WEI Lixin，YOU Lichun
Abstract: Due to the particularity of its application，offshore drilling rig has higher requirements for thestability and control accuracy of the control signal. Aiming at the situation that the signal in the electronic controlsystem of offshore drilling rig is greatly disturbed by noise，a PID control signal optimiza...
更多Number of views：1127 Amount of downloads：927
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ZHANG Xiangqian，CHE Chaochang，LI Fengsheng，YU Shipeng，LEI Hui
Abstract: As an important part of power electronic power conversion device，auxiliary power supply is facedwith the application demand of high voltage and wide range in DC transmission，solar power station，wind powerstation and other systems. Aiming at the problems of switch stress，cost and efficiency caused by high v...
更多Number of views：1127 Amount of downloads：1262
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JING Qi，WANG Changkai，XU Fengxia，YU Liqi
Abstract: In high-precision applications，the control accuracy of the servo system is extremely high required.The control precision of the servo system depends largely on the precision of the feedback measurement. Positionand speed feedback accuracy can be improved by increasing the absolute accuracy of the encoder，a...
更多Number of views：1124 Amount of downloads：943
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JIA Junqing，ZHANG Yifan，PAN Dazhi，LIANG Shuai，YANG Yang
Abstract: Under the background of the increasingly prominent voltage sag problem in modern power grids，itis of great engineering significance to accurately identify the users' profile of demand of voltage sag control forguiding users' precise investment decisions for voltage sag control and helping power gri...
更多Number of views：1122 Amount of downloads：1232
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GUO Jiajun，XU Zhi，ZHAI Baoyu，CHEN Yutian，CHEN Junru
Abstract：Aiming at the low voltage ride through（LVRT）problem of the combined grid-connected systemwith new energy-energy storage under the control of the grid-forming converter，an additional voltage limitercontrol scheme based on the traditional LVRT was proposed. Firstly，the shortcomings of the traditional LVRTstra...
更多Number of views：1115 Amount of downloads：1533
