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WANG Xiaoyang，ZHAO Jinbin，ZHU Yuxin
Abstract: With more and more renewable energy devices and loads connected to the traditional power grid bypower electronic equipment，the negative resistance characteristics of power electronic equipment lead to the weakinertia characteristics of high power electronic power systems. Therefore，the stability of the mul...
更多Number of views：4204 Amount of downloads：4554
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QI Zhenbiao，BAO Yuying，FAN Shen，PAN Min，HU Pengfei，WU Hongbin
Abstract：In the multi-source measurement system of distribution network，the sampling frequency and timestamp of multi-source measurement equipment are not synchronized，as well as the bad data in the system，whichwill lead to the bias among the measurement data，thus affecting the accuracy of state estimation. To this ...
更多Number of views：1122 Amount of downloads：4505
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LI Zhenbo，DAI Linwang，LI Shaolin，ZHANG Xueguang
Abstract: At present the mainstream of doubly-fed induction generators（DFIG）control mode is the currentsource type vector control mode，which is lack of independent of frequency and voltage support ability，but the voltage source type virtual synchronous machine control method can solve the shortcomings. In order to m...
更多Number of views：3316 Amount of downloads：4460
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LEI Aoyu，SU Tingting，MEI Yong，HUANG Fangneng，WANG Yu，WU Wei
Abstract：In the critical period of the implementation of the strategy of "carbon neutrality，carbon peak"，thefrequency characteristics of the new power system show a series of new characteristics，such as the reduction ofnode inertia level and obvious distribution difference，and the maintenance of frequency stability ...
更多Number of views：1730 Amount of downloads：4445
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WANG Wenyuan，LUO Zhiwei，XIA Huan，CHEN Jie
Abstract：The modeling of distributed power sources in DC microgrids serves as the foundation for large-scalepower system simulations. However，the difficulty in obtaining electromagnetic parameters of diesel generatorshampers the accuracy of their electrical characteristic modeling. To address this issue，a data-drive...
更多Number of views：1511 Amount of downloads：4444
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YIN Jianqiang，WU Xianming，WU Fengzhi，YANG Peihao
Abstract: The sensorless control of PMSM based on control algorithm is a research hotspot in the field ofmotor control. A PMSM sensorless control system based on low-speed pulse and high-frequency stator flux injectionwas proposed，and the traditional stator flux estimator was improved and the high-frequency signal wa...
更多Number of views：5001 Amount of downloads：4441
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HU Junhua，WEI Huabing，FUYinfang，QIAOMin，GAO Baolong
Abstract: The safety monitoring of existing ultra-high voltage direct current（UHVDC）converter stationsmostly adopts manual on-site detection，which presents major safety hazards and high labor costs. In order to meetthe safety needs of the power transmission system，a multi-angle joint monitoring system was designed f...
更多Number of views：1521 Amount of downloads：4422
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YOU Hanwen，CHEN Xi
Abstract：A modeling method based on fractional calculus was proposed to analyze the working mode of halfbridge LLC resonant converters and the influence of the "parameter drift" of the resonant capacitor on the workingmode of the converters. Then，based on the Oustaloup's filtering algorithm，a simulation model of...
更多Number of views：1165 Amount of downloads：4419
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CHEN Ya′ai，LI Zixuan，ZHOU Jinghua，WU Jiewei
Abstract: As a three-level Boost AC/DC converter with unidirectional energy flow，the VIENNA rectifier iswidely used in electric vehicle charging systems and other occasions. The key to improve the power quality and thesystem reliability is the quality of control strategy. Therefore，the control strategy of the VIENNA ...
更多Number of views：5531 Amount of downloads：4387
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SHI Dongsheng，WANG Tao，QIU Shuming，WANG Wenguang，WANG Yubo
Abstract: Application of TAC1 series high performance high power inverter products of Tianjin ElectricResearch Institute on 20-high reversible mill was introduced.The common DC bus multi drive system consists ofactive infeed converter and inverter. Firstly，the device selection of the system and the calculation of tra...
更多Number of views：1855 Amount of downloads：4386
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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：1658 Amount of downloads：4383
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HU Qingjun，CAO Xinhui，FENG Yu，ZHU Lipeng，ZHAO Wenjing，WEI Yushan
Abstract: The process automation control system L2 of an aluminum zinc plating production line wasexplored. In response to potential production faults on the production line，a process data control module of theprocess automation control system was provided. Through the analysis of process data，the fault location of ...
更多Number of views：1483 Amount of downloads：4382
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ZENG Xiaotong，WANG Rongmao
Abstract: The Vce method and the Vth method are two recommended junction temperature measurement methods in the IGBT thermal resistance test standard. However，the relationship and equivalence of the junction temperature measured by the two methods are not explained. Firstly，the voltage composition of Vce and Vth was...
更多Number of views：4773 Amount of downloads：4367
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ZHOU Da，WEI Liguo，YUAN Yulong，LU Yiqiao
Abstract: By integrating pure pursuit algorithm with integral control algorithm，an autopilot method based ondiscrete point set path was proposed to implement high-precision path-tracking function of a special trailer with large towed mass. The kinematic model of vehicle，the pure pursuit model，the limit steering issu...
更多Number of views：4629 Amount of downloads：4340
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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：2539 Amount of downloads：4336
