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MAYoujie,HE Xiaoyu,ZHOU Xuesong,ZHANG Chao
Abstract :To solve the chaos problem of inverter in new energy generation system,a regulation scheme ofH-bridge inverter based on active disturbance rejection contro(l ADRC)was proposed. Aiming at the phenomenon of poor steady-state and dynamic characteristics of inverters in chaotic state,a discrete model of the in...
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Number of views:1069 Amount of downloads:672
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MENG Chao,WANG Lianzhi,XIE Min,FU Yichao
Abstract: As the existing system fails to evaluate the process of pushing the power grid dispatch controlinstructions,the push delay and energy loss increase. A feature selection-based automatic push system for power grid dispatch control commands was proposed.According to the characteristics of power grid dispatch ...
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Number of views:1050 Amount of downloads:841
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SONG Weiqiong,GUO Shuai,HAN Liu,XU Chaoqun,SONG Wei,LÜ Fengming
Abstract:In order to monitor current distribution state of parallel silicon carbide(SiC)devices in photovoltaicinverter,a contactless monitoring solution based on anisotropic magnetoresistive sensor was proposed. Accordingto practical position of SiC devices on PCB board,multiphysics simulation tool COMSOL was emplo...
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Number of views:1045 Amount of downloads:536
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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:1040 Amount of downloads:901
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MA Bingtai,LIU Haitao,HAO Sipeng,LU heng,ZHANG Chengyu
Abstract: In photovoltaic and hybrid energy storage system,variational mode decomposition(VMD)iscommonly used to realize the distribution of system residual power,but the number of decomposed modes andsecondary penalty factor value affect the error of power reconstruction directly,and the inertia weight error ofcomm...
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Number of views:1035 Amount of downloads:1259
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YANG Yanfang,LIANG Zhonghao,ZHANG Meiling,LIU Jiayi
Abstract: Aiming at the problem of low accuracy and comprehensiveness of current identification methods,amethod of reverse power anomaly identification in digital electric energy meter information sampling was proposed.Through the data acquisition system,the digital electric energy meter information sampling work was...
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Number of views:1029 Amount of downloads:968
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LI Jianjie,GAI Pengyu,WANG Lihua,ZHANG Jian,SUN Hongbo,XIN Chunqing
Abstract: In order to improve the optimal allocation of renewable energy in microgrid and reduce theuncertainty of source load in microgrid,a multi-objective coordinated scheduling optimization method for microgrid based on Pearson correlation coefficient meta-learning(PCC-ML)source load prediction was proposed. Fir...
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Number of views:1014 Amount of downloads:862
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ZHAO Jingjing,CHEN Linghan
Abstract: The penetration rate of renewable energy in the island AC microgrid was relatively high,and itssystem inertia was relatively low. The primary frequency regulation during island operation mainly relies onequipment such as diesel engines and energy storage. Using the fast adjustment characteristics of energy...
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Number of views:1012 Amount of downloads:1045
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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:1008 Amount of downloads:911
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HE Wei,ZHAO Weizhe,RAO Zhen,LI Jia,SHAN Wenliang
Abstract: Along with the promotion of carbon neutrality and clean heating in countryside areas,operationalflexibility plays a more important role in electric power systems. Following this trend,a novel method was proposedfor evaluating the flexibility of biogas driven combined heat and power(CHP)considering the ther...
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Number of views:998 Amount of downloads:910
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TAO Yan,WANG Chenqing,ZHENG Mingzhong,YUAN Yubo,KONG Xiangping,LIN Jinjiao
Abstract:With the rapid development of the society and economy and the accelerated construction of newpower systems,flexible interconnection has gradually become an important technical means for upgrading thestructure and enhancing the flexible regulation ability of distribution network. A power coordinated control ...
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Number of views:996 Amount of downloads:856
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HU Yujie,ZHU Shenglong,WU Shaolei,FENG Yu,WANG Ming,LOU Wei
Abstract:The flexible DC interconnection of medium and low voltage can improve the flexibility andreliability of the distribution network,and the dual active bridge converter is a key link in achieving voltageconversion and electrical isolation in flexible interconnection equipment.The current source resonant dual a...
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Number of views:990 Amount of downloads:757
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WANG Zhengqi,WEI Wei
Abstract:Flexible multi-state switch(FMSS) is a new type of power electronic device that replacestraditional tie switches and is applied to modern distribution networks. It can optimize the consumption andregulation of distributed power sources in modern distribution networks. The FMSS controlled by VSG is notaffect...
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Number of views:989 Amount of downloads:675
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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:959 Amount of downloads:906
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GAO Chong,PAN Xianxian,XU Zhiheng,ZHANG Junxiao,HUANG Ye,DENG Wenyang
Abstract: The effective evaluation of microgrid is an important reference for the planning,construction andoperation of microgrid. The comprehensive evaluation index system of microgrid planning was constructed step bystep from three aspects of composition structure evaluation,technical evaluation and benefit evalua...
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Number of views:954 Amount of downloads:839