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ZHANG Jinbo,YAN Lei,SHI Jian,HUANG Xiaoyu,YANG Dishan,YAN Tongyu
Abstract: A large number of voltage fluctuations will occur in the grounding process of optical storage DCmicrogrid,which has a bad impact on the stability of microgrid power signal. Due to the poor voltage disturbancesignal capture ability of the present optical storage DC microgrid grounding anti-interference tech...
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Number of views:1856 Amount of downloads:1058
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WANG Jie,JIN Weigang
Abstract: In view of the difficulty in detecting the uniform and non-uniform contamination of high voltage(HV)glass insulators and the inaccuracy of risk assessment,a risk assessment method for HV glass insulatorsbased on a new leakage current indicator Rhi was proposed. The new leakage current index Rhiwas derived ...
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Number of views:1476 Amount of downloads:1052
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HU Changbin,MA Tengfei,MA Jianli,XU Zheng
Abstract: Distributed power generation technology is an important part of modern smart microgrid,in whichthree-port isolated DC converter plays an important role. Because the storage battery system can realize the flowand storage of energy,so the combination of three-port isolated DC converter and photovoltaic power...
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Number of views:1096 Amount of downloads:1046
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ZHANG Zihua,LI Yan,XU Tianqi,WANG Yangguang,DENG Xiaoliang
Abstract: In order to improve the prediction accuracy of wind power in new wind farms effectively,theinfluencing factors between relevant wind farms were considered. A variational mode decomposition(VMD)technique was proposed to decompose the wind power preprocessing of a single wind farm into intrinsic modefunction...
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Number of views:1000 Amount of downloads:1044
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KONG Fanting,CHEN Jian,DI Meixian,FU Baoxin,WANG Jianquan
Abstract: Electric power system is becoming more and more power electronization with each passing day,additional losses of the power grid caused by the power quality problem is becoming more and more serious witheach passing day. Solving the power quality problem has become the new way to help the power grid to save...
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Number of views:1513 Amount of downloads:1043
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LAI Yongbo,LU Jun,LI Huarong
Abstract: To deal with the mould quantitative casting over-pouring and spillage,based on the analysis of thetechnological process and the control characteristics for a kind of auto molten bucket casting mechanism,under the condition without depending on system concrete models,a three stages casting was proposed to r...
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Number of views:1158 Amount of downloads:1036
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LI Zhen,ZHAO Pengxiang,WANG Nan,CONG Lin,WANG Huiyuan,CAO Yan
Abstract: Exploring the flexibility of the heat and electricity coupling integrated energy system(HEC-IES),reducing system operation costs and promoting renewable energy consumption are hot issues in the field of energyinternet. Thus,a day-ahead optimal scheduling method of the HEC-IES considering the thermal dynami...
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Number of views:1167 Amount of downloads:1034
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GU Zhen,ZHUANG Gewei,HE Qing,ZHOU Lei,AN Bailong,DUAN Yan
Abstract: Accurate identification method of abnormal electricity users can provide reference for power supplyenterprises to lock in electricity theft or other violations of power users. Most abnormal user identification modelsbased on machine learning adopt unsupervised algorithms,but the accuracy of the models is l...
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Number of views:1500 Amount of downloads:1028
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WANG Linfeng,XU Nan,NIE Jing,XIE Yantao,SONG Yan
Abstract: Investment estimate prediction model in traditional transmission line(TTL)project has problemssuch as large deviation from the actual cost and low efficiency of estimation management. Thus,a novel investmentestimate prediction model in TTL project was presented with assistance of principal component analys...
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Number of views:804 Amount of downloads:1026
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REN Xuan,CHEN Tong,DONG Lizhi,HUANG Lingtong,ZHANG Mingxia
Abstract:When a large number of energy storage devices are integrated into the power grid through a virtualsynchronous generator(VSG),improper selection of control parameters in traditional fixed inertia and dampingcontrol strategies can lead to long adjustment times or large overshoot,and fail to fully leverage the...
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Number of views:1386 Amount of downloads:1024
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ZHANG He,CAO Tianbi,LI Xianyun
Abstract: In view of the complex transient characteristics of short-circuit faults in DC power network and thedifficulty of fault identification,the short-circuit faults in DC power network can be identified by detecting the change of capacitance voltage through the analysis of the VSC topology and switch characteri...
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Number of views:1326 Amount of downloads:1012
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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:1246 Amount of downloads:1011
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CHEN Wanqing,CHEN Keren,SHI Pengjia,JIN Xiaolong,WANG Huiyuan
Abstract: To reduce the energy cost and carbon emissions due to the large-scale farming,an optimal scheduling method for integrated energy systems(IES)in low-carbon farm considering thermal dynamic characteristics of the livestock houses was proposed. First,the mathematical models of the integrated energy systems in...
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Number of views:1591 Amount of downloads:1011
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WANG Junlong,QIAN Xujun,LI Yongxiang,WANG Shouchang
Abstract: It is well known that the power system operation process will appear to require explicit justprediction difficulties and other problems,the power system operation reliability prediction model based oncontinuous collaborative machine learning algorithm was constructed.First,the continuous collaborative mach...
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Number of views:1203 Amount of downloads:1003
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KONG Lingqing,HE Shan,DONG Xinsheng,LI Ji,YANG Dingqian,HU Shuai
Abstract: In order to solve the problem of voltage and frequency fluctuations at the grid-connected point of thepermanent magnet wind turbine during high and low voltage ride-through,a virtual synchronous generator(VSG)was proposed to control the grid-side converter to improve the inertia and damping of the permanen...
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Number of views:864 Amount of downloads:999