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SUN Yuechao,LI Man,LIAO Cong,CHEN Jingyuan
Number of views:7206 Amount of downloads:4508
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PENGTao
Abstract: The local leakage signal of high-voltage insulation equipment is weak and its characteristics are notobvious,which can only explain whether there is discharge. There is a phenomenon of missing judgment andmisjudgment in the actual positioning process,which is difficult to accurately locate the high-voltage...
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Number of views:2030 Amount of downloads:4504
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LIAO Zhijun,HUANG Liying,CAO Yun,TIAN Junling,RONG Na
Abstract:In the context of dual carbon,carbon trading mechanism and various energy complementary powergeneration mechanism are important mechanisms for China to achieve carbon emission reduction goals andsustainable development. A multi-energy system optimization model was proposed that takes into account carbontrad...
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Number of views:1847 Amount of downloads:4477
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KAN Chaohao,YAO Xiaojian,QI Ankang,WANG Zhisheng, WANG Pengcheng,CHEN Gong
Abstract:Three-phase asynchronous motor is one of the most frequently used motors. Inter-turn short circuitfault is a kind of fault with high probability. If the real-time monitoring of motor operation,health and safetyevaluation of the operation,will be able to timely stop losses,reduce losses. An inter-turn fault ...
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Number of views:1507 Amount of downloads:4468
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ZHANG Yunquan,CHEN Xuanang,GUO Xiaorui,WEN An,YE Run
Abstract:To address issues like overcurrent,power oscillations,and insufficient dynamic response intraditional virtual synchronous generator(VSG)control during grid voltage sags,an improved VSG- low voltageride through(LVRT)mode-switching control strategy for grid-forming inverters was proposed. The strategydynamica...
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Number of views:1156 Amount of downloads:4448
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DONG Min,LIU Kezhen,ZHAO Qingli,CHEN Leidan,YAO Yue,ZHAO Xiong
Abstract: Under the "dual carbon" goal,the electric energy systems need to gradually develop towards theway of energy saving and low carbon. The integrated energy system(IES)is an important measure to solve energyand environmental protection problems. At present,the research on IES mainly focuses on distributed ener...
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Number of views:2287 Amount of downloads:4447
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LI Yunwang,CHEN Junde,ZHANG Daping,SANG Yun,HAN Xiaolei
Abstract:An adaptive active arc suppression method based on S-transform correlation degree for distributionnetwork unidirectional grounding was proposed to effectively eliminate single-phase grounding fault arc indistribution network and improve power system stability. The time series data of zero-sequence current o...
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Number of views:1846 Amount of downloads:4437
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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 ...
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Number of views:1957 Amount of downloads:4431
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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:1642 Amount of downloads:4406
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WANG Qi,DONG Xinsheng,HE Shan
Abstract:To address the issue of transient overvoltage at the sending end of the wind farm caused by faults inconventional high-voltage direct current systems system,the impact mechanism of DC faults on transient voltagechanges at the sending end was analyzed. It was discovered that the reactive power surplus of the...
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Number of views:1563 Amount of downloads:4394
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GUO Jiahao,YANG Xiong,FANG Xin,LI Guanfei
Abstract: With the rapid development of primary and secondary fusion equipment,the detection efficiency ofthe traditional primary and secondary equipment testing method is very low,and it is no longer suitable for the new fusion switch equipment testing. In view of this,an integrated testing scheme for primary and s...
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Number of views:1776 Amount of downloads:4391
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QIN Gang,ZHANG Changqing,JIANG Xuejiao,ZHONG Lei,ZHOU Chaojun,WU Min
Abstract:During the operation of high-voltage DC power grid,due to factors such as load characteristics andvoltage fluctuations,the instantaneous power characteristics such as capacitor current and harmonics are morecomplex,which increases the difficulty of identifying faults in the power grid system. Therefore,a bi...
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Number of views:1657 Amount of downloads:4368
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JIANG Xuejiao,ZHANG Changqing,QIN Gang,ZHONG Lei,ZHOU Chaojun,CHEN Yupei
Abstract:In order to balance the output difference between renewable energy and load in the activedistribution network and reduce the budget cost and user purchase cost,an optimal dispatching method ofdistributed generation units in the active distribution network based on power demand side response was proposed.On ...
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Number of views:1676 Amount of downloads:4362
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GONG Xuanlin,WANG Junyan
Abstract: In view of the problem that the commutation error of brushless DC motor is difficult to accuratelymeasure during variable speed operation,the relationship between the integral of line voltage difference and themotor rotation angle was analyzed,and it was proved that the integral value of the line voltage d...
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Number of views:2653 Amount of downloads:4339
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HU Xiangzheng,GAN Pei,LI Ke,WU Wenqi,GUO Hanting,HUANG Xianjin
Abstract:The insulated gate bipolar transistor(IGBT),as the core device of power electronics system,iswidely used in industrial control,transportation and new energy power generation due to its high efficiency andhigh switching frequency. However,the internal bonding wire is vulnerable to thermal stress and current ...
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Number of views:951 Amount of downloads:4336