Integrated energy and modern power grid
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HUANG Heyao，WANG Luyang，WU Jiaming，BAI Yang，DING Quan，BAI Hongshan
Abstract: Virtual synchronous generator technology can provide virtual inertia for the frequency stability ofmicrogrid，but there are a lot of asymmetric loads in the operation of microgrid. In order to compensate theunbalanced load and output three-phase symmetrical voltage and current，an improved control strategy b...
更多Number of views：4625 Amount of downloads：7377
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YANG Fan，HUANG He，LI Haiying，LI Dongdong，ZHAO Yao
Abstract: There are a lot of equipment operation rules in power equipment defect text，which can be mined bynatural language processing technology to provide guidance for equipment maintenance. Aiming at this situation，a defect text mining method based on enhanced representation through knowledge integration（ERNIE）pr...
更多Number of views：4473 Amount of downloads：7480
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ZHANG Chao，QIU Han，LI Zhe，LIU Bochang，Zhang Baoshun，LI Chengyuan
Abstract: A control strategy of off-grid start-up of energy storage system（ESS）was proposed，which canmake all power converter systems（PCSs）entered off-grid mode smoothly and quickly in MW level battery energystorage power station，and make off-grid voltage set up. The unified off-grid phase angle and enable signal we...
更多Number of views：5061 Amount of downloads：7652
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YANG Xinai，LI Bingran
Abstract: A dispatchable droop control method for multiple distributed generators which can be applied inislanded AC microgrids was proposed. In the proposed method，the first-order inertia elements was utilized toachieve pseudo hierarchical control so that the distributed generator（DG）could share the load automatica...
更多Number of views：4776 Amount of downloads：7209
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LI Qi，CHEN Yihua，GUO Bin，ZHANG Deliang，GUO Shaoqing
Abstract: In order to solve the contradiction between the maximum consumption of new energy and thereserved power flow margin of operation section，a day-ahead coordination optimization method for complexcascaded power grid based on key section identification was proposed to achieve the orderly coordination among the...
更多Number of views：5326 Amount of downloads：6865
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TAN Xiaomeng，LIU Jichun
Abstract: New energy with intermittent and uncertainty would seriously impact the operation reliability，especially in isolated multi-energy complementary generation system，and make the system face certain risks. Thus，reasonable system reserve is the key to avoid large risk loss in isolated island power system under ...
更多Number of views：5040 Amount of downloads：6887
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PAN Guangxu，GONG Chiyu，LI Xingyu，HU Jun，LI Yingjie，WANG Ruiqi
Abstract: As an essential part of power system design and operation scheduling，electric load forecasting istroubled by strong randomness and low accuracy. Moreover，the application of advanced forecasting algorithms isassociated with data management system，while the traditional data management system is very inconven...
更多Number of views：5109 Amount of downloads：8111
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FANG Biwu，XIAO Liang ，SUN Cheng，CHEN Yiping，XUE Yanjun，ZHANG Deliang
Abstract: In order to improve the absorption capacity of clean energy and make full use of the peak regulationresources of each province，the peak regulation capacity of different types of power sources was studied，and aregional power grid optimization dispatching method considering the mutual aid of peak regulation ...
更多Number of views：4646 Amount of downloads：7175
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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：5359 Amount of downloads：6357
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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：5404 Amount of downloads：7263
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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：5135 Amount of downloads：8335
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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：5010 Amount of downloads：7252
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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：4882 Amount of downloads：7287
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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：4548 Amount of downloads：7619
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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：5488 Amount of downloads：7088
