-
LÜ Jiangping,LI Yaguang
Abstract: Recent years,omni-directional wireless power transmission(WPT)technology has attracted moreand more attention as a solution to the limitations of free location and mobility of traditional WPT technology.However,omni-directional WPT is less efficient due to low mutual inductance relative to the transmitter ...
更多
Number of views:2049 Amount of downloads:1207
-
HE Kun,WANG Can,ZHANG Kan,CHEN Kaiping,ZHU Hanqin,FU Zhiyu,XU Lei
Abstract: In the case of asymmetric faults in high voltage direct current(HVDC) transmission system,modular multilevel converter-battery energy storage system(MMC-BESS)has a longer state of charge(SOC)balancing process,uneven allocation of resources,easy to occur over modulation and other security problems,anew SOC ...
更多
Number of views:2117 Amount of downloads:1351
-
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 ...
更多
Number of views:1965 Amount of downloads:1145
-
CAOWei,GUI Shicheng,HUANG Ruanming,HE Bilun,QIN Huancheng
Abstract: With the expansion of the interconnection scale of the power system,the impedance ratio of thepower grid increased gradually,thereby the breaking capacity of the circuit breaker was affected by the increasingattenuation time constant of the DC component of the short-circuit current .At present,the periodic...
更多
Number of views:1945 Amount of downloads:1207
-
ZHANG Feifei,ZHANG Jun,WU Long,WU Xiaohui,XUE Zhanbo
Abstract: In order to solve the problems of false alarm rate and missing alarm rate in the traditional faultdetection method of substation primary equipment,a fault detection method of substation primary equipment based on deep convolution neural network was proposed. The substation primary equipment image and scene...
更多
Number of views:1868 Amount of downloads:1024
-
HU Xiaoyu,ZHOU Yuanxiang,CHEN Jianning,ZHAO Yunzhou,LIU Jun
Abstract: As a new type of insulating oil in the power industry,natural gas insulating oil is excepted to solvethe bottleneck problem of high-quality transformer oil's insufficient supply in the future. However,its electricalparameters including partial discharge withstand strength and sweep frequency spectrum c...
更多
Number of views:1838 Amount of downloads:1043
-
LIN Xin,GAO Xiang,XIE Zhen,XU Kebao,ZHANG Xing
Abstract: With the increasing proportion of wind turbines,the characteristics of low inertia and weak dampingpower grid become more obvious,which brings new challenges to the smooth operation of power grid. Traditionalcurrent-controlled strategy is difficult to obtain accurate grid synchronization information in wea...
更多
Number of views:2472 Amount of downloads:1496
-
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:2300 Amount of downloads:1684
-
TIAN Guangping,XUE Hua
Abstract: In response to the stable operation demand of modular multilevel converter(MMC)with singlephaseshort circuit fault,a passivity-based method based on dual-port controlled Hamiltonian with dissipation(Dual-PCHD)model was proposed. To make the grid-connected positive sequence and negative sequence currentsubs...
更多
Number of views:2148 Amount of downloads:1129
-
LI Xin,LI Yundi,JIANG Jie,FU Xueguang
Abstract: In the process of using wireless power transfer(WPT)technology to charge batteries,constant current (CC)-constant voltage(CV)charging mode is adopted to ensure battery life and safety. Therefore,a hybrid topology of series-series(SS)and inductor-inductor-capacitor(LLC)topology was proposed. Based on the SS...
更多
Number of views:2285 Amount of downloads:1140
-
LIU Weijie,ZHANG Yiming,CUI Longfei,ZHANG Dong,WANG Xuhong
Abstract: The transmitting coil in the aviation electromagnetic transmitting system was took as the researchobject,considered the influence of the parameters of the transmitting coil on the peak value of the transmitting current,used finite element software,the coil model was established. The skin effect and proximi...
更多
Number of views:4449 Amount of downloads:3335
-
YU Xinhai,WANG Xin,SU Riguge,ZHANG Xiaoju
Abstract: Microgrid is an effective method to integrate distributed power supply into power grid. The optimaloperation of microgrid can effectively improve the utilization efficiency of renewable energy. The objectiveoptimization model was established,considering the economy of microgrid operation,the volatility of ...
更多
Number of views:2223 Amount of downloads:1162
-
SHEN Hangyu,FAN Xiaochao,SHI Ruijing,WANG Weiqing, WANG Haiyun,CHENG Zhijiang
Abstract: In order to solve the problem of heat dissipation in the process of producing hydrogen fromelectrolytic water and generating electricity from fuel cells,an independent photohydrogen fuel cell thermoelectriccombined supply system was designed according to the principle of water cooling heat dissipation betw...
更多
Number of views:2198 Amount of downloads:1284
-
XU Changbao,DING Jian,SONG Hongjian,PAN Chengda, SUN Pengbo,WANG Qihua,CHEN Hui
Abstract: An optimization method was proposed to layout electric vehicle charging facilities consideringpower quality constraints. A comprehensive power quality index model considering the average value of nodalthree-phase unbalance degree and the maximum value of nodal voltage deviation was established. Meanwhile,t...
更多
Number of views:1973 Amount of downloads:1040
-
QIAN Xiao,MA Xiang,LÜ Leiyan,ZHANG Wenjie,WANG Ning,ZHI Yuemei
Abstract: Traditional power grid dispatching alarm algorithm has low alarm instruction operation efficiency,low power grid dispatching failure burst rate and high alarm error alarm rate,so the power grid dispatching alarmassociation rules and decision tree algorithm based on knowledge graph were proposed. The associ...
更多
Number of views:1957 Amount of downloads:1022