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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：1062 Amount of downloads：832
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WU Jiawei
Abstract：Electrically assisted manufacturing（EAM）is a promising and rapidly developing metal processingmethod.The power supply is a key sub-system for EAM，which needs to be designed properly. the model-baseddesign of a low-voltage high-current pulse power supply used for EAM was proposed based on converter-levelelec...
更多Number of views：986 Amount of downloads：831
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GU Jiming，SONG Yunting，LIU Xinyu，ZHU Shaoxuan，LEI Yu，ZHANG Tongzun
Abstract：Under the dual carbon background of AC and DC hybrid power grids have the new feature of"strong HVDC and weak AC system" and power electronization，in order to effectively reduce the risk of largescalepower outages in power grid，it is necessary to build a secure and reliable comprehensive defense system toen...
更多Number of views：1101 Amount of downloads：824
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ZHANG Wei
Abstract：The multi-source monitoring data of switchgear contains rich equipment operating statusinformation，and analyzing it can achieve switchgear fault diagnosis. A fault diagnosis method for switchgear basedon SMOTE-SSA-CNN was proposed. Firstly，based on monitoring data such as switchgear voltage，current，andtempe...
更多Number of views：651 Amount of downloads：821
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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：970 Amount of downloads：817
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YANG Xiaochu，WANG Guanwen，LUO Guogan，XU Shipeng，ZHANG Dingwang
Abstract: The composition of the double-fed induction generator（DFIG）is complex，and its operation andmaintenance are difficult. Due to the relatively complex electromagnetic transient characteristics of the fault，theextraction quality directly affects the reliability of the fault detection results of the DFIG. Aimin...
更多Number of views：999 Amount of downloads：808
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TANG Junyi，DONG Xuetao，QIN Yanhui
Abstract: The large-scale grid connection of renewable energy with strong randomness and volatility and thenet load fluctuation caused by time sequence put forward higher requirements for the operation flexibility of powersystem. In order to quantitatively evaluate the operation flexibility capacity of power system，...
更多Number of views：1000 Amount of downloads：807
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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：1056 Amount of downloads：806
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TIAN Jiabin，YANG Chuanjiang，LI Junda，GU Jiateng，ZHANG Zhenbin
Abstract: The doubly-fed induction generator（DFIG）is the mainstream model in the wind power market.Since there are multiple time-scale control objectives in the wind turbine，it is difficult for conventional linearcontrol methods to optimize the multi-objective. Model predictive control（MPC）is an effective method for...
更多Number of views：1033 Amount of downloads：802
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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：809 Amount of downloads：799
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GUO Jiahao，YANG Xiong，FANG Xin，GUAN Jiamin
Abstract: The secondary voltage signal output by electronic capacitive voltage transformer in the primary andsecondary fusion equipment is very weak，which is easy to be interfered by high-order harmonics，resulting inunstable signal transmission. In order to solve these problems，a high-order and high-precision filter...
更多Number of views：1069 Amount of downloads：797
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YUE Xuelei，WANG Lei，TIAN Di，XU Kelei
Abstract: Permanent magnet synchronous motor（PMSM）has become the development direction of the newgeneration of rail transit traction system due to its characteristics of high efficiency and high power density. Amongthem，the research on the identification method of the initial position and frequency of the motor roto...
更多Number of views：1040 Amount of downloads：796
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LIANG Haisheng
Abstract：In order to further improve the accuracy of fault identification of local abnormal factors indistribution network，a digital twin based fault identification simulation of local abnormal factors in distributionnetwork was proposed. Through real-time acquisition of electrical parameters of distribution network...
更多Number of views：1013 Amount of downloads：788
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DENG Jiahao，LIN Lingxue，ZHU Lin，WU Zilong
Abstract：Up to now，the distribution network planning project optimization method rarely considered theimpact of the speed of load growth on the power supply efficiency of the project and the year when the project isselected，and rarely considered the urgency，technical benefit and economic benefit of the project at th...
更多Number of views：933 Amount of downloads：788
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LIU Qiwei，ZENG Jiang
Abstract：In view of the need to test the operation of power electronic equipment under various workingconditions in the current new power system，a control strategy using linear auto-disturbance rejection technologywas proposed to study the power grid simulator with line impedance simulation function. On this basis，i...
更多Number of views：760 Amount of downloads：786
