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WANG Yanjie,LIN Chaobin,XU Guozhi,LI Qingyao,ZHANG Zhenye,HU Kun
Abstract:To adapt to the construction of a novel power system with new energy as the main body,it isnecessary to continuously improve the new energy consumption capacity of various voltage-level power grids.Through the research on the influencing factors and improvement methods of new energy consumption capacity ofd...
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Number of views:834 Amount of downloads:610
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WANG Yingjie,ZHOU Hailan,CHEN Yongfa,BAI Feiying
Abstract:When the switching frequency of the four-quadrant rectifiers in different multiple units deviates,thecurrent will experience low-frequency oscillation,which is not conducive to the operation of the traction powergrid. Therefore,a matrix small-signal modeling method for SPWM comparators was proposed to analy...
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Number of views:833 Amount of downloads:709
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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...
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Number of views:824 Amount of downloads:543
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LIU Xianyi,SHI Xinghao,JIANG Yikang,PAN Xiumin,QU Le,HUANG Feng
Abstract:Aiming at the problem of low recognition accuracy of electricity stealing behavior,an electricitystealing behavior recognition model based on joint neural network was proposed. Firstly,the acquired userelectricity consumption data was processed,and the user electricity consumption data was two-dimensionally...
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Number of views:821 Amount of downloads:566
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ZHANG Junkun,LEI Ertao,JIN Li,MA Kai,XIA Chenyang,WANG Xirui
Abstract:The rapid development of modern power electronics technology promotes the insulated gate bipolartransistor(IGBT)wide range of applications in the AC motor drive,inverter,switching power supply and newenergy industry. In the application process of IGBT,due to the complex and varied circuit topology and syste...
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Number of views:817 Amount of downloads:857
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TAO Jiagui,HU Shengnan,DAI Jianzhuo,ZHANG Sicong
Abstract: Aiming at the problems of complex feature extraction and low classification accuracy of traditionalmethods in human behavior recognition(HAR),a behavior recognition model based on deep belief network-support vector machine(DBN-SVM)was proposed. Firstly,in order to better capture the periodic changes of use...
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Number of views:815 Amount of downloads:912
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LIU Erhao,WANG Junqing,QIAO Lili
Abstract: Permanent magnet synchronous motor(PMSM)driving stable platform directly is often used inguided rockets to realize the decoupling control of stable platform. Due to the extended state observe(ESO)contained in the active disturbance rejection controller(ADRC),it can accurately estimate the speed of the rota...
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Number of views:812 Amount of downloads:585
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LI Yunwang,CHEN Junde,ZHANG Daping,SANG Yun,HAN Xiaolei
Abstract:An adaptive active arc suppression method based on S-transform correlation degree for distributionnetwork unidirectional grounding was proposed to effectively eliminate single-phase grounding fault arc indistribution network and improve power system stability. The time series data of zero-sequence current o...
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Number of views:811 Amount of downloads:435
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LI Mingke,ZHONG Jinxing,XUE Yan,XIONG Xiaosheng,LIU Junwei,DENG Lina
Abstract: In order to effectively manage the grid short-circuit current overrun problem,optimization decisionmaking evaluation method of short-circuit current limitation scheme based on hybrid decision model considering asymmetric closeness was designed. Considering the relevant influence of the short-circuit curren...
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Number of views:811 Amount of downloads:524
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LÜ Jin,XU Li,SUI Dawei,GAO Qixin,XU Deshu
Abstract: With the rapid development of China's industrial economy,the demand for strip materials isincreasing,and the construction of strip production lines both domestically and internationally is growing year byyear. However,the complexity of large-scale rolling mill systems and the harsh working environment ...
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Number of views:811 Amount of downloads:787
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ZHANG Junlin,NI Lianghua,SUN Jia,LÜ Ganyun,ZHANG Jinhua
Abstract:In order to intervale evaluate saddle node bifurcation points(SNB)in a power system during loadgrowth quickly and accurately,a quadratic approximation method to directly calculate the power system voltagecollapse point of was proposed. Based on the approximate quadratic PV-curve of output PQ nodes in the sy...
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Number of views:809 Amount of downloads:515
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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...
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Number of views:804 Amount of downloads:500
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YIN Qiyun,YANG Chen,LU Hongjian,ZHAO Xinyang,AN Yanjie,CHEN Haoyang
Abstract: Aiming at clarifying the interference effect of 5G electromagnetic radiation on relay protection andcommunication control equipment in converter station,a microstrip antenna simulation model with a centerfrequency of 3.5 GHz was established. Firstly,the propagation and attenuation law of electromagnetic ra...
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Number of views:802 Amount of downloads:700
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LÜ Zhengyu
Abstract:The power transmission and transformation system is an important link of power transmission. Inorder to reduce the cost of operation and maintenance and improve the recognition effect,an application method of automatic identification and control of transmission and transformation vulnerable lines was propos...
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Number of views:799 Amount of downloads:422
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JIANG Zhaoping,LIYue,LIUMingkai,ZHEN Dongfang,HOU Xinxu,WANGTong
Abstract: In order to ensure the efficient and stable operation of high-temperature submersible motors,and totimely avoid motor failures caused by high operating temperatures,which may affect production,it is necessary toobtain their underground temperature without temperature sensors. Based on this situation,a temp...
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Number of views:798 Amount of downloads:816