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CHEN Bojian，XUN Chao，LIN Chaoqun，XIAO Fen，LIN Keyao，WU Xiangyu
Abstract: The loss rate is an important indicator to measure the technical operation level and economicoperation level of the power system. In response to the actual needs of the distribution network in management andtechnical loss reduction，based on loss statistics and theoretical calculations，a short-term loss cha...
更多Number of views：2668 Amount of downloads：1377
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GU Jipeng，SHAO Liang，LU Chuiji，ZHANG Youbing，ZHANG Weijie，YANG Jifeng
Abstract: As an important basis of power system operation planning，short-term power load forecasting isgreat significant to the safe and economic operation of power system. A long-term and short-term time seriesnetwork（LSTNet）model was proposed to predict the short-term load variation of distribution area. The model...
更多Number of views：1341 Amount of downloads：1376
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KONG Fanting，CHEN Jian，DI Meixian，FU Baoxin，WANG Jianquan
Abstract: Electric power system is becoming more and more power electronization with each passing day，additional losses of the power grid caused by the power quality problem is becoming more and more serious witheach passing day. Solving the power quality problem has become the new way to help the power grid to save...
更多Number of views：1889 Amount of downloads：1372
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XU Hongkuan，LIN Shunfu，BIAN Xiaoyan，LI Dongdong
Abstract: With the reform of the electric marketization，it is of great and far-reaching significance for theconstruction of the electricity market to analyze clearly the credit evaluation problems of power users as the mainmarket. Aiming at the problem of power user credit evaluation，a comprehensive evaluation metho...
更多Number of views：1921 Amount of downloads：1354
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DING Qiang，ZHU Jie，JIANG Yingxu
Abstract: Direct-drive electrically excited synchronous motor（EESM）is obtained widespread utilization inwind power generation system due to its advantages of simple construction and low cost. Firstly，a mathematicalmodel of EESM was derived and the direct torque control（DTC）algorithm for EESM was introduced based on ...
更多Number of views：2096 Amount of downloads：1351
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YANG Liping，WANG Haiyun，DING Dong，YU Xijuan，WANG Liyong，WU Honglin
Abstract: At present，there are some problems in line loss fault detection of electric quantity informationacquisition equipment，such as low detection rate，poor applicability and so on. An automatic line loss faultdetection method for electric quantity information acquisition equipment was proposed. By determining th...
更多Number of views：2684 Amount of downloads：1348
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CHEN Linghan，LU Jia
Abstract: As the hub node in the energy internet，the transformer can adjust and control power quality，thenormal and stable operation of transformer is of great significance to the safe and stable operation of the energyinternet. In order to accomplish this objective，status assessment of energy internet transformer b...
更多Number of views：2650 Amount of downloads：1344
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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：1069 Amount of downloads：1341
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YE Hai
Abstract: Flexible DC power grid is an important way for efficient transmission of various types of renewableenergy. How to design an efficient reclosing strategy to make it have the ability of rapid recovery after fault is a keyproblem to improve the stability of the whole AC/DC power grid. According to the working...
更多Number of views：2659 Amount of downloads：1339
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REN Xuan，CHEN Tong，DONG Lizhi，HUANG Lingtong，ZHANG Mingxia
Abstract：When a large number of energy storage devices are integrated into the power grid through a virtualsynchronous generator（VSG），improper selection of control parameters in traditional fixed inertia and dampingcontrol strategies can lead to long adjustment times or large overshoot，and fail to fully leverage the...
更多Number of views：1624 Amount of downloads：1335
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ZHUANG Gewei，GU Zhen ，FENG Xiuqing ，DUANYan
Abstract: Automatic verification system of smart meter may be abnormal in the long-term operation process，but the regular manual detection method can not timely learn the risk information，shortening the period of manual inspection will reduce the work efficiency of automatic verification. In most cases，the sample da...
更多Number of views：2680 Amount of downloads：1327
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SUN Kaiwen，GONG Shihua，CAI Junqiong
Abstract: Gantry is an important part of proton radiotherapy equipment. Its main features are its large mass，large size and large moment of inertia. It is necessary to ensure the smooth acceleration and deceleration and precise positioning of the gantry. In response to the positioning control requirements of the gan...
更多Number of views：1820 Amount of downloads：1326
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ZHOU Jie，ZHAO Shiwei，WU Yihao，YANG Xiangyu
Abstract：In order to optimize the current stress of dual active bridge（DAB）converter，an improved dualphase shift（IDPS）modulation was proposed based on the traditional dual phase shift（DPS）modulation. Firstly，the working principle of IDPS modulation was introduced，its steady-state working characteristics were analyze...
更多Number of views：1409 Amount of downloads：1325
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WANG Jie，JIN Weigang
Abstract: In view of the difficulty in detecting the uniform and non-uniform contamination of high voltage（HV）glass insulators and the inaccuracy of risk assessment，a risk assessment method for HV glass insulatorsbased on a new leakage current indicator Rhi was proposed. The new leakage current index Rhiwas derived ...
更多Number of views：1780 Amount of downloads：1322
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ZHANG Kuangyi，LIU Haitao，MA Bingtai，ZHANG Chengyu
Abstract: There are many fault distributions along the actual distribution network lines，but the existingvoltage sag stochastic assessment methods only consider the uniform fault distribution. According to the differentfault distribution characteristics along the line，a stochastic assessment method of voltage sag wa...
更多Number of views：1436 Amount of downloads：1320
