Integrated energy and modern power grid
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LIU Sheng
Abstract: Voltage and current balance plays an important role in ensuring the normal operation of DC microgrid.Therefore，a new distributed voltage and current control method was proposed to realize the current sharingand voltage sharing regulation of DC micro-grid. The considered DC micro-grid was composed of severa...
更多Number of views：3457 Amount of downloads：1689
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MA Zhousheng，YAO Yang
Abstract: A novel DC current-voltage droop control method was proposed for a hybrid high-voltage directcurrent（HVDC）system composed of a voltage source converter（VSC）and a line-commutated converter（LCC）.The DC voltage droop control was used to reduce AC voltage fluctuation on the inverter side，so as to achieve thego...
更多Number of views：3510 Amount of downloads：1463
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CHEN Lu，WANG Can，HU Hao，ZHOUYANG Junran，YANG Wentao，MA Xin
Abstract: With the increasing utilization rate of electric vehicles（EVs）in China，high permeability EVs makethe three-phase imbalance rate of urban distribution network increase day by day，which causes problems such asvoltage fluctuation and network loss increase，and the distribution network with high three-phase imb...
更多Number of views：3515 Amount of downloads：1591
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WANG Haijun，WANG Lei
Abstract: Aiming at the problem of active power dispatch and control in the grid-connected power system oflarge-scale wind power clusters（WPC）of distributed wind farms，a hierarchical model predictive control（HMPC）strategy based on dynamic power dispatch was proposed. Firstly，the dispatch framework was divided into f...
更多Number of views：3302 Amount of downloads：1353
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WANG Baihuai，WUTong，ZHANGWeizheng，FANG Xuezhen，LIYingzhi
Abstract: In order to enhance the stability of power grid operation and improve power supply capacity of powergrid，a power supply capacity simulation method based on harmonic reactive compensation was proposed. Theharmonic data in the power network equipment was calculated through DIgSILENT/PowerFactory software，inc...
更多Number of views：3516 Amount of downloads：1373
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WU Ming，LÜ Zhipeng，WANG Xin，YANG Wanli，ZHOU Shan，LIU Xiaojuan
Abstract: Multi-energy complementary DC micro-grid is of great significance to achieve sustainable energydevelopment. Based on the typical DC micro-grid with various energy forms including wind，solar，gas and battery，a multi-energy DC micro-grid operation control strategy considering the complementary inertia of gas ...
更多Number of views：3156 Amount of downloads：1319
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GONG Ruibang，JIANG Qi，WANG Yuchen，ZHANG Baoqing
Abstract: A novel voltage regulation and maximum power point tracking（MPPT）control for DC microgridcomposed of PV panel，battery，constant resistance and constant power loads was proposed. A dynamic model of the DC microgrid system described by a multi-input and multi-output nonlinear system with non-affine inputs was...
更多Number of views：3739 Amount of downloads：1594
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LIU Chunhui，ZHANG Zheng，FAN Hongzhen，MOU Huilong，HUANG Cunkuan，YUAN Fang
Abstract: Multi-energy complementary generation operation had become a new direction to improve theefficiency of new energy utilization，and it is particularly important to analyze the characteristics of multi-energycomplementary generation. According to the operation characteristics of multi-energy complementary gen...
更多Number of views：3526 Amount of downloads：1328
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JIA Junqing，LÜ Chao，LIU Dinghua，XU Hao
Abstract: With the rapid development of artificial intelligence algorithms，convolutional neural networks withfewer layers have been used in distribution network overvoltage recognition. The deep-level network has a higherrecognition rate，but requires a large number of data samples. At present，the amount of data in t...
更多Number of views：3587 Amount of downloads：1591
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ZHAO Kuanxiang，YOU Jiawei，LIU Hongxun，LING Yuesheng，TIAN Rui
Abstract: The electrolytic capacitor is used as the energy storage element in the traditional LED power supply.The life of electrolytic capacitor is short which limits the life of LED power supply. In order to improve the servicelife of the power supply，a single-stage low switch stress structure was proposed on the ...
更多Number of views：3463 Amount of downloads：1316
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DENG Dawei，LIU Peilin，ZHUWen，HE Chaolin，XIAWei
Abstract: In order to improve the substation dispatching and the adaptive control ability，an optimizationmethod for consistency test of substation dispatching center single line diagram modulus diagram based on theanalysis of equivalent inertia characteristics was proposed. The power control parameters of the substa...
更多Number of views：3441 Amount of downloads：1468
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LI Xuan，DONG Yongle，HAI Hongye，JIN Zhao
Abstract: Under the background of smart grid，higher requirements are put forward for the management level of distribution network，and the traditional static model can not meet the application requirements of refined line loss and real-time scheduling. Based on low-voltage power grid topology identification and broad...
更多Number of views：3524 Amount of downloads：1404
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YANG Chongwei，LIANG Xu，MAO Lan
Abstract: After a large-scale and high proportion of photovoltaic power generation is connected to the lowvoltage distribution network system，it will most likely cause the system power flow reversal，resulting in the out of limit voltage of each node of the system and the increase of system loss. First，using the line...
更多Number of views：3491 Amount of downloads：1420
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FU Yu，LI Tie
Abstract: The microgrid is essentially an active distribution network，which is a combination of the distributed generation（DG）system and different loads at the distribution network voltage level. By analyzing factors such as safety and reliability，energy conservation and environmental protection in the microgrid，and...
更多Number of views：3422 Amount of downloads：1366
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LI Xuhui，XIE Baihuang，HUANG Xiaoyong，XUYan
Abstract: The collector line short-circuit fault is one of the most common faults for the grid-connected doublyfed wind farms. Because the introduction of the crowbar discharge resistor，after the unsymmetrical faults of the collector line，the positive and negative sequence impedances of DFIG will produce the differe...
更多Number of views：3583 Amount of downloads：1474
