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LI Qi，CHEN Yihua，GUO Bin，ZHANG Deliang，GUO Shaoqing
Abstract: In order to solve the contradiction between the maximum consumption of new energy and thereserved power flow margin of operation section，a day-ahead coordination optimization method for complexcascaded power grid based on key section identification was proposed to achieve the orderly coordination among the...
更多Number of views：4045 Amount of downloads：2114
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REN Zhimin，LIN Yuanxiang，LIU Yang
Abstract: A magnetic actuation system of an interventional surgical robot was studied，which is a new type ofelectromagnetic driving device that uses a mobile coil with a ferrous core to realize the magnetic driving in largespace. By using the method of maximizing the magnetic field in the target region，the coil mode...
更多Number of views：4062 Amount of downloads：2108
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LIU Jinchao，DUAN Hongmin，WU Letao，LIU Ligang，XU Chao
Abstract: Aiming at the phenomenon of pressure relief and deflagration caused by the faults of oil-immersedtransformer，a logic was proposed that the transformer can keep self-maintained running when faults occurred，and according to the logic，a scheme of oil circuit equipment was designed. The above logic and the sch...
更多Number of views：4151 Amount of downloads：2100
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FAN Zhenning，SU Qiang，ZHANG Xinmin，ZHAO Changwei，XU Ke
Abstract: The control strategy of flexible multi-state switch（FMS）is a key technical challenge to ensure its highefficiency，reliability and flexibility. In order to solve the problems that the parameter design of proportional resonant （PR）controller is complicated and is greatly affected by grid frequency disturbanc...
更多Number of views：3740 Amount of downloads：2093
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LIU Juan，HU Xiaolei，TENG Yiyina，ZHANG Shiqi，ZHANG Zhe
Abstract: Hydrogen fuel cells air compressor is an important accessory of hydrogen fuel cell，but the high costcaused by its high energy consumption hinders the further development of hydrogen fuel cell. In recent years，theindustry has gradually adopted variable frequency drives to control the operation of hydrogen f...
更多Number of views：1576 Amount of downloads：2092
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SU Jichen
Abstract: Due to the low efficiency of data processing and high export delay of intelligent measurementequipment in substation engineering，the construction progress of substation engineering is slow. Therefore，the data batch export system of intelligent measurement equipment in substation engineering was designed. T...
更多Number of views：3988 Amount of downloads：2087
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WANG Chunhui，QU Xiaowei，WANG Mingyue，HAN Song，LI Teng
Abstract：In order to improve the debugging and fault monitoring and analysis capabilities of inverterproducts，the design scheme of network version process data acquisition and analysis software was proposed.Thecomposition and implementation of the software system were discussed，and the technical means such as multit...
更多Number of views：1072 Amount of downloads：2082
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CHEN Xiaoru，HUANG Longyi，YANG Mingjia，LAI Shengjie，CHI Zibin，XIA Chengjun
Abstract：In view of the lack of flexibility in the input and exit of the current metal sheath loop suppressiondevice for high voltage cables，the problems such as excessive induced voltage of the sheath and excessive powerloss were not considered when determining the suppression impedance value，a loop suppression dev...
更多Number of views：1026 Amount of downloads：2079
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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：1061 Amount of downloads：2067
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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：3394 Amount of downloads：2067
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CHEN Huabin，LIU Wei，XIANG Dening，CHEN Ying
Abstract: To control the induction motor stably under the condition of uncertain disturbances，an inductionmotor speed control method based on robust sliding mode control and field oriented control was proposed based on switching gain adaptive technology. By introducing the switch adaptive gain and integrator interpo...
更多Number of views：4064 Amount of downloads：2066
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ZHANG Cheng，HAN Cun，REN Wei，ZHAO Jinlei，ZHANG Xiao，ZHANG Xudong
Abstract: Based on the AC-DC-AC variable frequency speed control system of synchronous motor，theparameters of PI regulator were optimized by chaos particle swarm optimization algorithm. A pseudo-randomsequence generation method was constructed using a chaotic map dynamic integer tent map，and an objective function of...
更多Number of views：3256 Amount of downloads：2065
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WANG Baihuai，WUTong，ZHANGWeizheng，FANG Xuezhen，LIYingzhi
Abstract: In order to enhance the stability of power grid operation and improve power supply capacity of powergrid，a power supply capacity simulation method based on harmonic reactive compensation was proposed. Theharmonic data in the power network equipment was calculated through DIgSILENT/PowerFactory software，inc...
更多Number of views：3989 Amount of downloads：2064
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YOU Hao，SHI Hengchu，YANG Yuanhang，LI Yinyin，ZHU Qingcheng，XU Tengfei
Abstract: In order to solve the problems that the portable wave recording device needs to sample AC/DCvoltage samples with different input voltages，AC/DC current signals with different input currents and high sampling rate，an analog signal isolation sampling circuit was designed for portable wave recording device.Th...
更多Number of views：3608 Amount of downloads：2060
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WANG Haijun，WANG Lei
Abstract: Aiming at the problem of active power dispatch and control in the grid-connected power system oflarge-scale wind power clusters（WPC）of distributed wind farms，a hierarchical model predictive control（HMPC）strategy based on dynamic power dispatch was proposed. Firstly，the dispatch framework was divided into f...
更多Number of views：3843 Amount of downloads：2060
