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ZHOU Qi,WANG Chenqing,KONG Xiangping
Abstract:Considering that the problem of voltage fluctuations on the DC side caused by the three-phaseimbalance of the AC grid of the flexible interconnection device,a DC voltage fluctuation suppression strategy forflexible interconnection device based on the Torricelli point was proposed. Firstly,by defining the To...
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Number of views:2245 Amount of downloads:6085
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DING Zancheng,WANG Dajun,LI Wanxiang
Abstract: In view of the problem that the dangerous points in transmission lines affect the stability of powersystem,the technology of identifying and controlling the transmission line dangerous points based on multidimensional perception was studied,which can control the transmission line risk in time,reduce noise ...
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Number of views:3524 Amount of downloads:6085
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LIANG Biao,ZHANG Yiming,ZHANG Dong,LI Gen,WANG Xuhong
Abstract: With the increasing demand for geological exploration in complicated terrain in China,thedevelopment of helicopter transient electromagnetic system(HTEM)has been paid more and more attention. A pulse current transmitting circuit with multi-excitation sources was proposed to meet the demand of transmitting ...
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Number of views:3545 Amount of downloads:6083
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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...
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Number of views:1581 Amount of downloads:6081
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CHEN Xiaoru,HUANG Longyi,LAI Shengjie,YANG Mingjia,WANG Zeqing,XIA Chengjun
Abstract:The circulating current of metal sheath in high voltage cable is the superposition of induced currentcomponent and leakage current component. At present,the calculation of induced current component is relativelymature,but the calculation of leakage current component is insufficient,which affects the final c...
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Number of views:2360 Amount of downloads:6080
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ZHANG Chunxiang,LI Xin,SUN Ning
Abstract:DC high current comprehensive characteristic test device is used to detect the released characteristicsof DC low-voltage electrical overcurrent protection electrical device,which is used in low-voltage electricalindustry for DC products for long time delay,short time delay,instantaneous tripping test and sh...
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Number of views:1959 Amount of downloads:6073
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WANG Haiyan,WU Ziran,QIAN Qi,XIA Chuyang,XU Haibo,LIN Zhenquan
Abstract: In order to improve the short-circuit breaking capacity of solid-state circuit breaker(SSCB)in DCsystem,a multi-objective optimization method that explores component parameters to achieve optimal breakingcharacteristics was proposed. A detailed analysis of the breaking process of the SSCB during a short-ci...
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Number of views:1995 Amount of downloads:6073
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SONG Weiqiong,GUO Shuai,HAN Liu,XU Chaoqun,SONG Wei,LÜ Fengming
Abstract:In order to monitor current distribution state of parallel silicon carbide(SiC)devices in photovoltaicinverter,a contactless monitoring solution based on anisotropic magnetoresistive sensor was proposed. Accordingto practical position of SiC devices on PCB board,multiphysics simulation tool COMSOL was emplo...
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Number of views:2269 Amount of downloads:6069
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GUO Dengke,MI Wentao,ZHUANG Feihu,XU Yiduan,FAN Ruini
Abstract: According to the requirements of quickly and reasonably formulating load transfer measures afterdistribution network failure at this stage,a reliability evaluation scheme for fault transfer based on K-fold verification was introduced. Square up various power supply modes,according to the energy balance equ...
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Number of views:4905 Amount of downloads:6065
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CUI Mengyu,YIN Qinglong,GUO Xudong,LÜ Tuo,HU Qifeng,LIU Zhengyan
Abstract:The VPX power standard is currently the most compatible military embedded computer standardinternationally,and its modules can stably power multiple different functional modules in the chassis. A VPXpower board based on VITA46 and VITA62 standards was designed. The design architecture,ideas,and functionsof ...
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Number of views:1512 Amount of downloads:6063
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ZHANG Pengcheng,TUSONGJIANG Kari,WANG Hailong,YILIHAMUYaermaimaiti,LU Haotan,RUAN Jiayang
Abstract: In order to improve the accuracy of automatic reading of tilted meter images,a novel algorithmbased on ORB and improved region growing method was presented. Firstly,the ORB algorithm was applied to detect the feature points of the target image and the template image,and the transformation matrix used to ac...
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Number of views:2056 Amount of downloads:6063
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SHI Zhibo,MENG Jie,HAN Yong,LI Xueping
Abstract: Due to the application of a large number of power electronic equipments on the aircraft,the aircraftpower supply network tends to be complicated,and thus there is an urgent need to effectively evaluate the powerquality of the power supply network. In order to evaluate AC power quality of aircraft,a compreh...
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Number of views:5254 Amount of downloads:6063
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XU Hongkuan,LIN Shunfu,BIAN Xiaoyan,LI Dongdong
Abstract: With the reform of the electric marketization,it is of great and far-reaching significance for theconstruction of the electricity market to analyze clearly the credit evaluation problems of power users as the mainmarket. Aiming at the problem of power user credit evaluation,a comprehensive evaluation metho...
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Number of views:2965 Amount of downloads:6062
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PENG Fei,TIAN Xu,LIU Fei,XU Decao,FANG Shiwen,TIAN Xu
Abstract:The integration of large-scale wind power,photovoltaic and other renewable energy resources forthe power system will greatly change the power supply characteristics,reducing the inertia of power system andthreatening the stability of transient frequency. The virtual synchronous generator(VSG)technology can ...
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Number of views:1713 Amount of downloads:6061
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XIA Tao,LIU Liang,ZHANG Yangfei,LIU Haitao,MENG Gaojun
Abstract:Aiming at the problem of large output voltage fluctuation and long recovery time of three-phasepulse-width modulation(PWM)rectifiers when the load changes,an improved single-neuron gradient learningcontrol strategy was proposed. Due to the poor adaptability of the traditional PI controller parameters when t...
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Number of views:1833 Amount of downloads:6057