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DENG Guimei,ZHANG Yue,HE Yongpeng,ZHAO Haixu,YU Hongze
Abstract:In order to study the operating characteristics of onboard power net of high-speed maglev train,anautomated networking test system based on LabVIEW was developed on the basis of several independent onboardpower net test systems. Through the comprehensive simulation of the external power supply of the train,...
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Number of views:135 Amount of downloads:91
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ZHANG Xuyang,ZHANG Maosong,WANG Xiuqin,CHEN Zhong,WANG Qunjing
Abstract:In view of the problem that the transfer branch of the current high-voltage DC circuit breaker mostlyadopts uncontrollable full-bridge transformer coupling energy supply,which is not conducive to controllable andstable power supply,and low energy utilization,a combined DC circuit breaker energy supply metho...
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Number of views:141 Amount of downloads:88
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GONG Weizheng,YAO Yin,CHEN Mengying,LI Dongdong,ZHANG Xianming,ZHU Yedong
Abstract:The rapid increase in the proportion of renewable energy in the East China Power Grid System andthe continuous decline in the rotational inertia and frequency modulation resources in the system will pose a threatto the system's frequency immunity and stability. The existing research focuses on the devel...
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Number of views:134 Amount of downloads:87
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QIU Shuming,ZHAO Bin,CHEN Kuilin,CHEN Zhibin,LI Chao
Abstract:An anti-interference domestic variable frequency multi-drive system solution for the five-standcontinuous cold rolling line in the steel strip cold rolling field was presented. Firstly,the mechanical equipmentand rolling process of the 900 mm five-stand continuous rolling line was introduced,and matched the...
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Number of views:90 Amount of downloads:78
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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:124 Amount of downloads:75
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YAN Kun,GAN Jingfu,LIU Hongshun,SUI Yizhen,HE Pengkang
Abstract:A fusion prediction method was proposed to predict and correct the calculation deviation of the toptransformer oil temperature model in IEEE guideline,so as to realize the more precise prediction of the transformertop oil temperature(TOT). Firstly,the characteristics of the transformer TOT model and the ext...
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Number of views:95 Amount of downloads:71
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MA Zun,CHEN Haoying,DENG Can,CHEN Yong,GUAN Lin
Abstract:The development of modern power systems with wide span,low inertia,and complex structuremakes the frequency stability problem increasingly prominent,and the spatial-temporal distribution characteristicsof frequency are distinct. Taking the actual power grid as the object,the impacts of large-scale new energ...
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Number of views:109 Amount of downloads:69
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GE Yaming,ZHOU Chenbin,MENG Yihua,SHEN Jiaoxiao,CAO Haiou,REN Xuchao
Abstract:With the accelerated construction of new power systems,the scale and complexity of transmissionsystems are constantly increasing. Therefore,it is urgent to study transmission line fault diagnosis algorithms thatutilize multi-source data as driving sources and meet requirements for accuracy and low time cons...
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Number of views:117 Amount of downloads:69
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GENG Likai,HOU Juan,ZHANG Chunxiang,HU Wenying,LI Wenhua,LI Cuijuan
Abstract:Thermal and magnetic protection circuit breakers provided short circuit protection by instantaneoustripping devices. In the magnetic field formed by the coil with current,the moving armature and stationary coreovercomed the spring force and engage under the influence of electromagnetic force,thereby pushing...
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Number of views:117 Amount of downloads:69
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WANG Yi,JIA Hongbo,WANG Cong,ZHANG Lihui,YANG Minghao,LI Baohui
Abstract:It is an important means to improve the anti-G ability of pilots to simulate the flight G-loadcharacteristics of aircraft in full envelop flight on the ground through centrifuge. With the great improvement ofmaneuvering performance of manned aircraft,it is extremely difficult to accurately analyze its fligh...
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Number of views:95 Amount of downloads:67
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WANG Xuli,XU Jiayin,SHEN Yuming,LI Kun,FENG Peiru,JIANG Guifen
Abstract:In order to make full use of the frequency modulation capability of the wind turbines,consideringthat a conventional wind-power coordinated frequency control strategy not only results in some fluctuations in thefrequency of the system,but also requires high energy storage capacity and poor economic efficien...
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Number of views:114 Amount of downloads:66
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FAN Peilin,HU Pengtao,XUE Jianli,LIU Zheng,HUANG Jinming
Abstract:Voltage source converter (VSC) is prone to low-frequency oscillations of 100~101Hz whenconnected to weak AC power grids. The mechanism of improving the control strategy of VSC on the traditionalinverter side to suppress low-frequency oscillations(LFO)in the AC power grid is to transfer the oscillations from...
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Number of views:47 Amount of downloads:56
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XIONG Wei,CHEN Long,LÜ Shunli,GUO Zhenyu,LU Xin
Abstract:To address the complexities of transformer condition assessment indicators and the overreliance onexpert judgment in the evaluation process,a novel method for fuzzy comprehensive assessment of transformercondition was introduced,which is based on gaming theory and an improved version of the D-S evidence the...
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Number of views:53 Amount of downloads:56
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LUO Meiling,HAN Zhongxiu,YU Xiaojun,WU Jianyun,HUANG Weibing
Abstract:The islanding detection method is a necessary method for grid-connected PV systems,but,thecurrent islanding detection method is prone to misjudgement when encountering grid operation states such as highresistance short-circuit ground faults and large-capacity load casting. For this reason,an islanding detec...
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Number of views:53 Amount of downloads:48
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YAO Ying,GU Bing,FANG Zhengnan
Abstract:With the wide application of solar photovoltaic panels,the detection of hidden dangers and faults ofphotovoltaic panels has become more and more important. In order to improve the inspection efficiency ofphotovoltaic panels and the accuracy of defect detection,a target detection algorithm based on attention...
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Number of views:53 Amount of downloads:47