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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：1976 Amount of downloads：4754
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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：1908 Amount of downloads：4106
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TIAN Bin，SUN Quanhui
Abstract: AC/DC switching power supply is the main source of electrical system，its development trend islarge capacity，high power density，high efficiency，low power factor and low harmonic content. However，there are still some common problems with existing digital power supplies，including poor anti-interference abilit...
更多Number of views：1901 Amount of downloads：5077
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JIAO Jinghai，LI Jie
Abstract: To solve the problem of low identification accuracy of partial discharge（PD）for electric multipleunits ethylene propylene rubber（EPR）cable terminal defects，an on-board cable terminal defect identificationmethod based on improved residual network was proposed. Firstly，cable terminals with four typical insul...
更多Number of views：1953 Amount of downloads：6367
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HAO Liangshou，XIA Kepeng，CHEN Xiaoping，JIANG Hai，ZHU Qi，WANG Di
Abstract: The conventional grid voltage observation methods of flexible DC power converters need to designmultiple observers，and use multiple filters，which are also affected by DC-offset. So，a grid voltage observationmethod of flexible DC power converters based on single sliding mode observer and single third-order ...
更多Number of views：2046 Amount of downloads：6300
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LÜ Zhengyu，ZHOU Liang
Abstract: In the process of controlling the voltage of active distribution network，there are problems of poorvoltage control effect and low efficiency. A two-stage automatic voltage control method of active distributionnetwork considering load measurement was proposed. Using the probability density function （PDF） cu...
更多Number of views：2067 Amount of downloads：4993
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JIANG Wenhui，LIN Dong，YU Li，CHEN Bo，CHEN Yumin
Abstract: The voltage stability of power grid was briefly introduced，and the measurement method of voltagestability of phasor measurement unit（PMU）based on state estimation was proposed. This method mainly aims atthe voltage change caused by the load rate change. The voltage stability under different load conditions...
更多Number of views：1714 Amount of downloads：5924
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LI Gang，XU Bin，WANG Xiaoming，ZHAO Wenguang，FANG Zhao，WU Hongbin
Abstract: The distributed control strategy of the distribution network with distributed generation is expected tosolve the voltage control problem of the distribution network. However，distributed generation are loosely distributed in space，and communication problems such as communication delay and packet loss betwee...
更多Number of views：1805 Amount of downloads：6044
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TAO Jiagui，HU Shengnan，DAI Jianzhuo，ZHANG Sicong
Abstract: Aiming at the problems of complex feature extraction and low classification accuracy of traditionalmethods in human behavior recognition（HAR），a behavior recognition model based on deep belief network-support vector machine（DBN-SVM）was proposed. Firstly，in order to better capture the periodic changes of use...
更多Number of views：1932 Amount of downloads：7975
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GUO Jiahao，YANG Xiong，FANG Xin，LI Guanfei
Abstract: With the rapid development of primary and secondary fusion equipment，the detection efficiency ofthe traditional primary and secondary equipment testing method is very low，and it is no longer suitable for the new fusion switch equipment testing. In view of this，an integrated testing scheme for primary and s...
更多Number of views：1777 Amount of downloads：4391
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LÜ Jin，XU Li，SUI Dawei，GAO Qixin，XU Deshu
Abstract: With the rapid development of China's industrial economy，the demand for strip materials isincreasing，and the construction of strip production lines both domestically and internationally is growing year byyear. However，the complexity of large-scale rolling mill systems and the harsh working environment ...
更多Number of views：1786 Amount of downloads：5193
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LI Xinhai，FAN Dehe，MENG Chenxu，ZENG Lingcheng，YUANTuolai
Abstract: Due to various environmental factors，the relay platen status recognition needs manual inspection fora long time，and the current popular platen image recognition program requires a huge background computingarchitecture，which can not immediately obtain the verification information in the operation site，and s...
更多Number of views：2386 Amount of downloads：9548
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NIU Zongxian，FAN Bo，FU Yulin，WANG Chunguang，WU Xiaodan，YANG Chenhui
Abstract: Under traditional PI parallel control strategies，synchronous control systems of multi-motor rigidconnection structure have the problem of unbalanced motor torque output，and there is even a serious risk of shaftbreakage. Taking the rigid connection structure of multi-motor gear transmission as the research ...
更多Number of views：2074 Amount of downloads：5494
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ZHANG Di，HUANG Lu，CUI Jing，SONG Zhiwei
Abstract: The AC voltage sensors are used to measure the grid voltage，which brings high hardware cost，difficult installation and low reliability. In order to realize that grid voltage sensors are not necessary，virtual fluxwas introducted to model prediction power control algorithm for cascaded H-bridge rectifier. Th...
更多Number of views：2030 Amount of downloads：6348
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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：2109 Amount of downloads：5403
