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LI Zhijuan,WU Dan,LEI Ting,WANG Ning,DUAN Yan,MA Hongen
Abstract: Aiming at the problems of frequent failures and untimely maintenance of DC charging pile,a faultearly warning method of DC charging pile based on soft classification model was proposed. Based on the currentsequence and voltage sequence of the charging pile in the charging process,the differential sequence o...
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Number of views:2012 Amount of downloads:5403
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QIU Guihua,TANG Zhirui,CHEN Yuting
Abstract:Aiming at the challenges of data heterogeneity and multi-source in distribution networks,a selfsupervised multi-source measurement data fusion method based on coding-decoding attention mechanism wasproposed. This method automatically captured the correlation between data through self-supervised learning,and...
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Number of views:2011 Amount of downloads:7188
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LÜ Yi,LIANG Wenbo,WANG Qing,LIU Entao
Abstract: The traditional active distribution network location and capacity determination ignores the multienergycomplementary coordination characteristics of the energy system,which led to high cost. Therefore,anactive distribution network location and capacity determination method based on energy interconnection w...
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Number of views:2010 Amount of downloads:4675
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ZHU Ye,CHEN Yuanrui,CHEN Yang,WANG Zhenlin
Abstract:The safe and efficient operation of lithium batteries depends on accurate state of charge(SOC)estimation. However,the traditional battery model and SOC estimation have poor robustness and reliability undernoise interference. Aiming at the problem of SOC cooperative estimation under noise interference,firstl...
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Number of views:2007 Amount of downloads:5895
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LIU Fang,XU Yunyu,HE Guoqing,LI Guanghui,LIU Shiquan,LIU Wei
Abstract: With the increasing permeability of distributed generation,the grid becomes weaker and weaker. Itis very important to help the system achieve low voltage ride through(LVRT)when the grid voltage drops underweak grid. Aiming at a series of problems such as over-current,voltage collapse and system oscillation...
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Number of views:2006 Amount of downloads:6025
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WANG Pengcheng,PAN Ligang,WANG Yijie
Abstract: The emergence of wireless power transmission(WPT)technology overcomes the strict requirementsof traditional wire transmission process on transmission site conditions,maintenance convenience and security,which has a wide range of application scenarios. In the WPT technology,the misalignment tolerance charac...
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Number of views:2000 Amount of downloads:5759
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LIU Detao
Abstract: Due to the inaccurate power deviation and network loss results obtained by the energy storage powercontrol of the multi-source distribution network,the power control results are not ideal. A rational control method of energy storage power in multi-source distribution network based on ant colony algorithm w...
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Number of views:1999 Amount of downloads:5390
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MAYuefeng,ZHAO Suqi,WANG Kai
Abstract:Microgrid is an effective method to integrate a large number of distributed generators into the powergrid. Aiming at the optimal dispatch problem of microgrid,an optimal dispatch method based on proximal policyoptimization algorithm was proposed. Firstly,the optimal diapatch model of microgrid was construct...
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Number of views:1998 Amount of downloads:5918
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PENG Yanlai,FAN Yong,YANG Xiaofeng,YANG Hongyu,WANG Zhixin
Abstract: Aiming at the problems that the amount of data in wind farm SCADA data is huge and it is difficultto classify the fast fault of wind turbine generator,a dynamic threshold AdaBoost algorithm(DTAdaBoost)wasproposed. Based on AdaBoost algorithm,the dynamic threshold was introduced to screen the sample set dat...
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Number of views:1994 Amount of downloads:4915
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LOU Bin,HAI Ying
Abstract:Harmonic loss is one of the main causes of safety accidents in excitation transformers. If the lossvalue is too large,it can easily affect normal substation and transmission. Therefore,a method based on waveletpacket decomposition and reconstruction was proposed to calculate the additional loss of rectifica...
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Number of views:1993 Amount of downloads:5689
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JING Weiwei,FU Hui,ZHENG Xian,LI Shuangwei,SHI Mingming,ZENG jiang
Abstract:With the accelerated construction of new power system,the harmonic characteristics of power gridare becoming more and more complex. It is of great significance to study the effective statistical management ofharmonic data for evaluating the power quality of power grid. A statistical method of harmonic evalu...
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Number of views:1989 Amount of downloads:5619
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HOU Yongquan,MA Lifang,MEI Shuang,WU Bo,WANG Tan,LU Tao
Abstract:In recent years,the use of microinverters has received a lot of attention as one of the viable methodsfor residential and commercial PV power conversion systems. Flyback inverters operating in current continuousconduction mode(CCM)have been widely studied for their low output ripple current,high efficiency,...
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Number of views:1986 Amount of downloads:6937
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LI Ruizhe,WU Ming,LIU Shiyu
Abstract:To address the issue that existing microgrid planning evaluation methods do not adequately accountfor the influence of uncertainties in the system and environment on the evaluation results,a microgrid planningevaluation method based on regret theory-vlsekriterijumska optimizacija i kompromisno resenje(VIKOR...
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Number of views:1986 Amount of downloads:5470
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YANG Tianxiang,CHENG Zhijiang,YANG Handi,TIAN Feng
Abstract: Aiming at the demand of intelligent coal mine and exit problem of underground coal mine powernetwork,an energy storage hybrid distribution transformer based on modular multilevel converter(MMC-HDT)was proposed. Firstly,the proposed energy storage MMC-HDT was modeled and four operation modes were givenconsi...
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Number of views:1985 Amount of downloads:6189
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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...
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Number of views:1984 Amount of downloads:8485