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XU Deshu，LIU Yanfang，ZHAO Hao，MA Zhiqiang
Abstract：The integrated energy system contains adjustable resources and flexible operating modes，which to acertain extent play a supporting role in the power grid and assist in optimizing its operation. Based on this，anoptimal operation model of integrated energy system considering support capacity to power grid was...
更多Number of views：371 Amount of downloads：426
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SUN Lunan，ZHOU Yong，LIU Xiaodong，LIU Yawei，WANG Haoyu
Abstract：Combined with the current software features and the requirements for function expansion of thecurrent test equipment engineering project，a set of test data analysis system was designed. The system includes the functions of remote test data monitoring，historical data playback，test data analysis，data predicti...
更多Number of views：610 Amount of downloads：424
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LI Ning，WANG Ruyue，ZHU Longhui
Abstract：In order to analyze the power quality problem of actual power network under the influence ofuncertain interference factors，a power quality detection and recognition method combining empirical wavelettransform（EWT）and improved S-transform was proposed. On the one hand，the frequency，amplitude and timeparamete...
更多Number of views：519 Amount of downloads：423
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LI Xinhai，LUO Qifeng，ZENG Qingzhu，ZENG Xinxiong，YAN Chao
Abstract：The detection of composite insulator defects in substations still relies on inspection by operators，which is a heavy workload and prone to leakage due to visual fatigue. To reduce the computational resourceconsumption and shorten the training time，the region convolutional neural networks（RCNN）was improved b...
更多Number of views：445 Amount of downloads：421
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ZHANG Jianwei，YANG Zaixin，WANG Yunhui，LIU Guangchen
Abstract：In order to alleviate the intensive computational burden in the model predictive contro（l MPC）of the matrix converter，the MPC of the matrix converter was divided into the predictive control of the virtual rectifier and virtual inverter based on the equivalent indirect modulation of the matrix converter. Com...
更多Number of views：414 Amount of downloads：419
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DENG Yaping，JIA Hao，ZHANG Xiaohui，TONG Xiangqian，WANG Lu
Abstract：The accurate recognition of power quality disturbance（PQD）is one of the main problems to besolved after PQD occurrence，which is of great importance for responsibility dividing and power market reformprocess accelerating. Massive quantities of power quality monitoring data prepare the ground for the recognit...
更多Number of views：744 Amount of downloads：417
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HUANG Zhaobin，ZHANG Zhijian，LONG Tan，HU Bin，LIU Wenlong，WANG Gaolin
Abstract：When the Vienna rectifier is connected to unbalanced loads operating under light load conditions，the slight power difference causes unbalanced voltage of bipolar DC bus，which increases the voltage stress on theswitching device and DC-link capacitance. To solve the above problems，a DC offset reduction of neu...
更多Number of views：430 Amount of downloads：415
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LI Wei，LI Yingqi，HOU Leihao，LI Junpeng，LIU Dejian
Abstract：The main circuit faults of the four-quadrant rectifier and the corresponding influences were analyzedand summarized，focusing on the analysis of the voltage and current parameter equations in the pre-chargingprocess of the intermediate DC link，and the estimation method of the converter input current and the ...
更多Number of views：319 Amount of downloads：415
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WAN Shaoqi，WANG Bo，GUAN Wenqing，CHEN Jingbo，LÜ Congxin，DONG Haiying
Abstract：The traditional control of electromechanical actuator in aviation electromechanical servo systemmostly adopts two-level inverter and PID control，which can not achieve higher precision control of permanentmagnet synchronous motor. In view of the above problems and the difficulty of space vector modulation al...
更多Number of views：528 Amount of downloads：410
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ZHANG Junling，YIN Peng，WANG Jiwei，LONG Mengjiao
Abstract：Relay coil is an effective method to improve the performance of wireless power transmission. Butthe selection of relay coil position is usually based on experience. To elucidate the mechanism of the impact of relaycoils on system performance，the port impedance differences between typical two-coil and relay-...
更多Number of views：428 Amount of downloads：407
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YU Shengcan，YU Tao，FENG Miaoyong
Abstract：Accurately and quickly identifying the fault types of traction transformers is a key technology forintelligent operation and maintenance. Aiming at the problems of single model deviation in the current traditionalalgorithm and the constraints between the iteration rate of complex models and the deployment o...
更多Number of views：608 Amount of downloads：406
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LIAO Zhijun，HUANG Liying，CAO Yun，TIAN Junling，RONG Na
Abstract：In the context of dual carbon，carbon trading mechanism and various energy complementary powergeneration mechanism are important mechanisms for China to achieve carbon emission reduction goals andsustainable development. A multi-energy system optimization model was proposed that takes into account carbontrad...
更多Number of views：403 Amount of downloads：400
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SUN Heyu，JI Baowei，WEI Yushan，FANG Weihan，WANG Yangyang
Abstract：In response to the problem of slow response speed of main steam pressure in the coordinated controlsystem of thermal power units，the control effect of the coordinated control system was improved by blowing outsome of the stored powder in the pulverizing system. Based on the traditional milling system model，...
更多Number of views：431 Amount of downloads：399
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ZHU Changlin，TU Qunzhang，JIANG Chengming，WANG Shijiao
Abstract：The synchronization accuracy of a multi-motor speed synchronization system is influenced by themotor control algorithm and synchronization control strategy. In response to the shortcomings of existing controlstrategies，a mid-range deviation coupling control strategy for multi-motor speed synchronization sys...
更多Number of views：458 Amount of downloads：397
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TIAN Zhidan，YU Xiang，WAN Haibo
Abstract：In order to solve the problems of high subjective misjudgment rate and low efficiency in manualhand touch and auscultation methods for acoustic quality detection of micro motors，while taking into account theaccuracy of detection results and the fast construction of detection models，a small sample machine le...
更多Number of views：350 Amount of downloads：396
