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DAI Yemin，LI Yukun，LIN Shunfu，BIAN Xiaoyan，LI Dongdong
Abstract: With the wide application of new energy grid connection technology，a large number of powerelectronic devices are connected to the power grid，and the power quality is affected by harmonic interaction. Aiming at the harmonic interaction problem of multi-inverter grid-connected system，the multi-input and mult...
更多Number of views：3936 Amount of downloads：3879
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ZHANG Mao，CHENG Wenming，QIN Qin
Abstract: A set of container positioning system based on the laser radar measurement technology wasdesigned and realized to solve the problems of long service time，low efficiency and high labor intensity in therailway freight yard which caused by the manual operation of crane spreader alignment. The overall architec...
更多Number of views：3911 Amount of downloads：3480
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YANG Fan，HUANG He，LI Haiying，LI Dongdong，ZHAO Yao
Abstract: There are a lot of equipment operation rules in power equipment defect text，which can be mined bynatural language processing technology to provide guidance for equipment maintenance. Aiming at this situation，a defect text mining method based on enhanced representation through knowledge integration（ERNIE）pr...
更多Number of views：3897 Amount of downloads：3530
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YAN Yuhao，ZHOU Buxiang，CHEN Shi，DONG Shen，LIU Zhifan，ZANG Tianlei
Abstract: At present，the focus of research on doubly fed induction generator（DFIG）high voltage ride through is a single high voltage fault.However，after DFIG low voltage ride through，due to the irrationality of the reactive power compensation strategy，a low/high voltage compound fault have be caused，which have a cer...
更多Number of views：3879 Amount of downloads：4098
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LIN Bin，SHAO Haoshu，WANG Xiaohe，LI Hongke，CAI Xu
Abstract: With the increasing scale of wind farms，large scale wind farm is gradually shifting from onshorewind farm to offshore wind farm，squirrel cage induction generator（SCIG），which is the main type of offshore wind farm，has become the main research object of offshore wind farm dynamic characteristics. In order to...
更多Number of views：3877 Amount of downloads：3180
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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：3859 Amount of downloads：3527
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HUANG Heyao，WANG Luyang，WU Jiaming，BAI Yang，DING Quan，BAI Hongshan
Abstract: Virtual synchronous generator technology can provide virtual inertia for the frequency stability ofmicrogrid，but there are a lot of asymmetric loads in the operation of microgrid. In order to compensate theunbalanced load and output three-phase symmetrical voltage and current，an improved control strategy b...
更多Number of views：3858 Amount of downloads：3155
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SONG Zhuoran，LI Jianfeng，JIANG Tao，DENG Xinyang，LIU Yu
Abstract: There are parameter identification errors in the process of distribution network synchronousmeasurement configuration. The optimal configuration method of distribution network synchronous measurementdevice based on parameter identification accuracy was studied. Based on the measurement data of the synchron...
更多Number of views：3854 Amount of downloads：3307
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REN Wei，ZHAI Bohao，PENG Weisong
Abstract: With the improvement of computer operation level，data-driven technology is widely used inmetallurgical industry. Accurate prediction of rolling force is helpful to shorten the length of strip head and tail andimprove the yield of strip. In order to solve the problem of low prediction accuracy of data-drive...
更多Number of views：3851 Amount of downloads：3699
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ZHOU Zhen，PENG Yuanxiu，LIU Bin，LI Xiaowen，ZHA Haitao
Abstract: In the isolated island operation mode of microgrid，the output power of distributed generation unitsin the system is difficult to distribute reasonably due to the difference of output line impedance，which affects thestability of the system. In order to realize the reasonable distribution of power according ...
更多Number of views：3846 Amount of downloads：3381
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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：3840 Amount of downloads：3435
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HUANG Xu，LIU Yichao，ZHU Hanqing，LIU Yang
Abstract: The DC fault current calculation method of modular multilevel converter（MMC）is the key to studythe DC fault transient characteristics and isolate the fault point rapidly in VSC-HVDC grid. Firstly，aiming at twotypical MMC fault equivalent models，the topology and the capacitor voltage characteristics when th...
更多Number of views：3826 Amount of downloads：3225
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KONG Fanting，WANG Yang，YANG Hao，CHEN Jian，LU Lin
Abstract: High-voltage/low-voltage prefabricated substation is short for“box substation”，its nature of savingenergy has been widely researched. The research have been from choosing components to optimizing structure. Agreat of improved products have swarmed into market. But there is neither a set of method to test l...
更多Number of views：3809 Amount of downloads：3302
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LIN Xin，GAO Xiang，XIE Zhen，XU Kebao，ZHANG Xing
Abstract: With the increasing proportion of wind turbines，the characteristics of low inertia and weak dampingpower grid become more obvious，which brings new challenges to the smooth operation of power grid. Traditionalcurrent-controlled strategy is difficult to obtain accurate grid synchronization information in wea...
更多Number of views：3801 Amount of downloads：4677
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XU Qiongguo，ZHANG Weitao，LIU Guangwei，ZHOU Bin
Abstract: Independent DC microgrid with distributed power supply and energy storage system plays animportant role in improving power supply reliability. The energy scheduling optimization of DC microgrid underdifferent operating modes was discussed，including diesel generator，fuel cell，micro gas turbine，photovoltaic，...
更多Number of views：3775 Amount of downloads：3548
