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LIU Juan,LEI Hui,LÜ Jin,WANG Yang,Xu Deshu
Abstract:The state of charge(SOC)of batteries is one of the most important parameters in lithium-ionbattery management technology,and high-precision SOC estimation is beneficial for the grid connection andcontrol of energy storage stations. Battery charge and discharge data are not only time-series in nature,but als...
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Number of views:618 Amount of downloads:654
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JI Huancong,XIA Chengjun,WANG Zeqing,LAI Shengjie
Abstract: Aiming at the problems of high cost and poor voltage quality in the conventional power distributionscheme of long-distance electrical equipment of rail transit,a technical scheme of DC power distribution for longdistance electrical equipment was proposed to achieve the purpose of improving voltage quality ...
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Number of views:617 Amount of downloads:665
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HAO Liangshou,XIA Kepeng,CHEN Xiaoping,JIANG Hai,ZHU Qi,WANG Di
Abstract: The conventional grid voltage observation methods of flexible DC power converters need to designmultiple observers,and use multiple filters,which are also affected by DC-offset. So,a grid voltage observationmethod of flexible DC power converters based on single sliding mode observer and single third-order ...
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Number of views:614 Amount of downloads:506
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SU Le,CHENG Jing,WANG Weiqing
Abstract: In recent years,the broadband oscillation of power system caused by new energy grid-connectedoccurs frequently. As an important part of new energy,photovoltaic power station can't be ignored. In order toexplore the broadband oscillation of photovoltaic grid-connected,a detailed linear mathematical mode...
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Number of views:614 Amount of downloads:804
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QIAN Junjie,LI Haoquan,LI Guanghua,XU Dongli,LÜ Ganyun
Abstract:Aiming at the problem of power quality deterioration caused by a large number of high-permeabilitydistributed generation connected to the distribution network,a power quality assessment method based oncombination weights and vlsekriterijumska optimizacija i kompromisno resenje(VIKOR)method was proposed.Firs...
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Number of views:612 Amount of downloads:389
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JIAO Jinghai,LI Jie
Abstract: To solve the problem of low identification accuracy of partial discharge(PD)for electric multipleunits ethylene propylene rubber(EPR)cable terminal defects,an on-board cable terminal defect identificationmethod based on improved residual network was proposed. Firstly,cable terminals with four typical insul...
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Number of views:610 Amount of downloads:468
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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:603 Amount of downloads:569
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YANG Xiaochu,WANG Guanwen,LUO Guogan,XU Shipeng,ZHANG Dingwang
Abstract: The composition of the double-fed induction generator(DFIG)is complex,and its operation andmaintenance are difficult. Due to the relatively complex electromagnetic transient characteristics of the fault,theextraction quality directly affects the reliability of the fault detection results of the DFIG. Aimin...
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Number of views:601 Amount of downloads:509
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CHENG Kai,WANG Pengyu,BAO Tao,YU jinyi,ZHANG Zihao
Abstract: The original power system dispatching model is separated from physical model and informationmodel. Establishing a cyber-physical integrated power system dispatching model can fully analyze and explore theregulation ability of adjustable resources,expand the dispatchable space of power system,and enhance th...
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Number of views:599 Amount of downloads:609
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OU Zhixin,LI Jixia,DENG Chunlan
Abstract: The reliability and stability of electric energy transmission in the power grid are the guarantee ofdriving safety,due to the impact of external interference fluctuations and current arcs on the power grid structure,its parameter acquisition and dynamic modeling become difficult. Firstly,the characteristic...
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Number of views:598 Amount of downloads:608
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WANG Haiyan,WU Ziran,QIAN Qi,XIA Chuyang,XU Haibo,LIN Zhenquan
Abstract: In order to improve the short-circuit breaking capacity of solid-state circuit breaker(SSCB)in DCsystem,a multi-objective optimization method that explores component parameters to achieve optimal breakingcharacteristics was proposed. A detailed analysis of the breaking process of the SSCB during a short-ci...
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Number of views:595 Amount of downloads:515
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TIAN Jiabin,YANG Chuanjiang,LI Junda,GU Jiateng,ZHANG Zhenbin
Abstract: The doubly-fed induction generator(DFIG)is the mainstream model in the wind power market.Since there are multiple time-scale control objectives in the wind turbine,it is difficult for conventional linearcontrol methods to optimize the multi-objective. Model predictive control(MPC)is an effective method for...
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Number of views:590 Amount of downloads:426
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TANG Junyi,DONG Xuetao,QIN Yanhui
Abstract: The large-scale grid connection of renewable energy with strong randomness and volatility and thenet load fluctuation caused by time sequence put forward higher requirements for the operation flexibility of powersystem. In order to quantitatively evaluate the operation flexibility capacity of power system,...
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Number of views:589 Amount of downloads:520
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WANG Yubo,AN Yang,QIU Shuming,GAO Zhuoxuan,SUN Furun
Abstract:Inverter products have been developing towards higher power density and more compact structure.To enhance the power density of inverter systems within a limited structural space,several prototypes need to bemade and a large number of experiments conducted during the research and development process. To shor...
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Number of views:584 Amount of downloads:304
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DENG Yaping,JIA Hao,ZHANG Xiaohui,TONG Xiangqian,WANG Lu
Abstract:The accurate recognition of power quality disturbance(PQD)is one of the main problems to besolved after PQD occurrence,which is of great importance for responsibility dividing and power market reformprocess accelerating. Massive quantities of power quality monitoring data prepare the ground for the recognit...
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Number of views:582 Amount of downloads:250