Integrated energy and modern power grid
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LI Chengyuan，ZHANG Chao，LI Zhe，LIU Bochang，GAO Jing，JIN Pengfei
Abstract: Due to the small capacity and weak regulation energy of island grid，it is very easy to cause systemcollapse. When the isolated grid collapses，it is necessary to establish the grid through its internal black start powersupply without relying on the external public grid. In recent years，with the rapid develo...
更多Number of views：3125 Amount of downloads：1495
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TANG Jiayuan，ZHAO Wenbin，LU Wu，GAO Yuan
Abstract: Under the electric power market environment，the key to achieve the joint operation of virtual powerplants lies in the profit distribution among the internal multi-subjects. To solve the impact of the final profitdistribution，which is caused by the uncertainty of the clean energy output of each main body in...
更多Number of views：3126 Amount of downloads：1313
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ZHOU Ye，CUI Shuangxi，FAN Xiaochao，WANG Weiqing，WU Binbing
Abstract: When the grid voltage is unbalanced，the negative sequence current will seriously affect the qualityof the output power of the grid-connected inverter. The detection speed of the grid information is one of the mainfactors of negative sequence current compensation. Therefore，a control strategy without phase-...
更多Number of views：3095 Amount of downloads：1372
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XU Qiongguo，ZHANG Weitao，LIU Guangwei，ZHOU Bin
Abstract: Independent DC microgrid with distributed power supply and energy storage system plays animportant role in improving power supply reliability. The energy scheduling optimization of DC microgrid underdifferent operating modes was discussed，including diesel generator，fuel cell，micro gas turbine，photovoltaic，...
更多Number of views：2929 Amount of downloads：1478
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LUO Lan，WANG Yuhong，SONG Ruihua，BI Jingtian，CHEN Shiyu，WAN Liangbin
Abstract: In the multi terminal flexible direct current（DC）transmission system，the flexible direct inner andouter loop control can not provide inertial support for the receiving end passive network. Traditional virtualsynchronous generator（TVSG）control can provide inertia support for passive network，but it can only ...
更多Number of views：2765 Amount of downloads：1420
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LI Qi，ZHANGTaoyun
Abstract: With the advancement of China's energy internet strategy，edge calculation has become an effectivemode to solve the data processing of energy internet. Aiming at the problems of chaotic storage and poor fusion ofheterogeneous power distribution and power data in energy internet，the multi-source data pro...
更多Number of views：2871 Amount of downloads：1220
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HAN Jianfu，XIAO Chun，SONG Xiaobing，LU Jiansheng，WANG Feifei
Abstract: With the continuous advancement of China's energy Internet strategy，how to reduce the occurrenceof electricity theft has become a focus of research. The historical data of electricity consumption was processed andanalyzed，and the data of electricity consumption were processed and converted to realize t...
更多Number of views：3074 Amount of downloads：1436
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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：3051 Amount of downloads：1233
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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：3037 Amount of downloads：1261
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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：3115 Amount of downloads：1232
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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：3128 Amount of downloads：1296
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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：3512 Amount of downloads：1507
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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：3355 Amount of downloads：1385
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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：3109 Amount of downloads：1343
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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：3112 Amount of downloads：1235
