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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:2169 Amount of downloads:5641
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ZHANG Hao,WANG Xuanyuan,NING Bo,LIU Zhen,LIUYa,HUANG Hongwei
Abstract: In order to improve the actual utility of power electricity package decision and avoid the default riskcaused by blind choice,the response stability of power users according to their purchase contract was studied ,apeak-valley power electricity package decision-making method considering response stability ...
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Number of views:3960 Amount of downloads:5631
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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:2269 Amount of downloads:5630
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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:1640 Amount of downloads:5629
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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:1460 Amount of downloads:5619
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JING Weiwei,FU Hui,ZHENG Xian,LI Shuangwei,SHI Mingming,ZENG jiang
Abstract:With the accelerated construction of new power system,the harmonic characteristics of power gridare becoming more and more complex. It is of great significance to study the effective statistical management ofharmonic data for evaluating the power quality of power grid. A statistical method of harmonic evalu...
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Number of views:1989 Amount of downloads:5619
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ZHOU Hao,DING Yu,WEI Xu,LI Xuesong,FAN Tianrong
Abstract:With the continuous promotion of the "double carbon" strategy,the reformation of China'selectricity market has entered a new stage,but the overall construction of the electricity market is still in theprimary stage,and there is an urgent need to develop a scientific and feasible regulatory prevention st...
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Number of views:1863 Amount of downloads:5617
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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:3411 Amount of downloads:5616
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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:3425 Amount of downloads:5609
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GUO Jiahao,YANG Xiong,FANG Xin,GUAN Jiamin
Abstract: The secondary voltage signal output by electronic capacitive voltage transformer in the primary andsecondary fusion equipment is very weak,which is easy to be interfered by high-order harmonics,resulting inunstable signal transmission. In order to solve these problems,a high-order and high-precision filter...
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Number of views:1983 Amount of downloads:5607
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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:2867 Amount of downloads:5607
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YANG Xiaochu,WANG Guanwen,LUO Guogan,XU Shipeng,ZHANG Dingwang
Abstract: The composition of the double-fed induction generator(DFIG)is complex,and its operation andmaintenance are difficult. Due to the relatively complex electromagnetic transient characteristics of the fault,theextraction quality directly affects the reliability of the fault detection results of the DFIG. Aimin...
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Number of views:1875 Amount of downloads:5601
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FAN Yuanliang,ZHU Junwei,WU Han,HAN Xiaolan,HUANG Xinghua,CHEN Jinyu
Abstract:Accurately estimating the state of health(SOH)of lithium-ion batteries is crucial for optimizingenergy storage systems' operation,management,and maintenance. Existing methods that extract health featuresfrom single-stage charging data fail to exploit battery aging information fully,leading to a suboptim...
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Number of views:1663 Amount of downloads:5600
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YIN Aihui,REN Ang,WU Xiaowen,HOU Jianfeng,FAN Yulin
Abstract: When fast voltage control is used in a power factor corrector(PFC),ripples on the DC side can cause grid current harmonics. To solve this problem,a novel DC voltage nonlinear PI control strategy was proposed,which could reduce the harmonic content of fast voltage closed-loop in power factor corrector. Base...
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Number of views:5178 Amount of downloads:5593
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LIU Siyan
Abstract: In order to realize the speed estimation and speed regulation of the permanent magnet synchronousmotor(PMSM)controller,a new type of fractional-order model reference adaptive speed observer was designed.Compared with integer-order observers,this strategy enhanced the adjustable degrees of freedom of the co...
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Number of views:4050 Amount of downloads:5591