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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...
更多Number of views：117 Amount of downloads：69
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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...
更多Number of views：114 Amount of downloads：66
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YANG Yan，LIU Tong，JIN Panlong，QI Caijuan
Abstract：In order to solve the problem that the time-of-use price is not taken into account in the calculation ofthe peaking cost in the case of a large number of renewable energy sources，a method of calculating the peakingcost of power system with time-of-use price was proposed. First，the key scenarios of power gri...
更多Number of views：110 Amount of downloads：110
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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...
更多Number of views：109 Amount of downloads：69
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SUN Yueyue，LI Mengda，PEI Guangyao，ZHU Hanghang，NING Han
Abstract：Since the compressed air energy storage system grid-connected inverter voltage is always influencedby voltage fluctuations of the power grid with little problem，for the sake of ameliorating the dynamic and stableperformance of the DC bus voltage of the inverter on the side of the grid and the actual output ...
更多Number of views：107 Amount of downloads：149
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RUAN Bo，YI Bonian，YE Xuecheng，LE Jian，LANG Hongke，REN Yi
Abstract：The electricity power price setting mechanism will be fundamentally reformed with the continuousadvancement of a new round of electricity market-oriented reform. Presently，some provincial and regional powergrid enterprises are facing the problem of large fluctuations in electricity prices，which is not condu...
更多Number of views：106 Amount of downloads：97
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YANG Lei，WANG Xianjun，WANG Zijian，ZHAO Weihua，LI Peng，LI Mengxi
Abstract：As the penetration rate of household distributed PV in China's low-voltage distribution networkcontinues to increase，the power flow of the distribution network has changed，leading to more serious problemssuch as node voltage overruns and three-phase imbalance，which poses a serious threat to the safe and...
更多Number of views：104 Amount of downloads：102
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LIU Yanlong，HAN Pingping，CHEN Xiaoguang，GUO Jialin
Abstract：With the increasing penetration of new energy equipment，while alleviating the environmentalproblems caused by fossil energy，it also increases the frequency instability of the system. Photovoltaic（PV）andother new energy equipment to participate in the grid frequency regulation is an effective way to improve ...
更多Number of views：102 Amount of downloads：105
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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...
更多Number of views：95 Amount of downloads：67
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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...
更多Number of views：95 Amount of downloads：71
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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...
更多Number of views：90 Amount of downloads：78
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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...
更多Number of views：53 Amount of downloads：48
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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...
更多Number of views：53 Amount of downloads：56
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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...
更多Number of views：53 Amount of downloads：47
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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...
更多Number of views：47 Amount of downloads：56
