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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:766 Amount of downloads:742
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WANG Xuming,LUO Cheng,XIONG Zhi,YANG Kai,XU Zhijie,LI Yinbin
Abstract:In response to the complex working environment of pumped storage energy units,wheredisturbances such as temperature variations are prominent,and considering the insufficient control precision oftraditional vector control for brushless doubly-fed machine(BDFM),a study was conducted on a control strategybased...
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Number of views:858 Amount of downloads:740
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WU Ning,CAI Jie,LIANG Gonghao
Abstract: As an important part of smart grid monitoring system,the security of power wide area measurementsystem is very important. Therefore,in order to ensure the integrity and confidentiality of communication data inpower wide area measurement system and the communication security between terminal devices in the ...
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Number of views:1012 Amount of downloads:740
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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:1212 Amount of downloads:739
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HU Junhua,WEI Huabing,FUYinfang,QIAOMin,GAO Baolong
Abstract: The safety monitoring of existing ultra-high voltage direct current(UHVDC)converter stationsmostly adopts manual on-site detection,which presents major safety hazards and high labor costs. In order to meetthe safety needs of the power transmission system,a multi-angle joint monitoring system was designed f...
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Number of views:692 Amount of downloads:738
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TANG Junyi,DING Biwei,YANG Qi
Abstract: The integration of high proportion of wind power intensifies the uncertainty of power systemoperation. The sufficient flexibility is vital for the safe and reliable operation of the power system. An evaluationmethod of power system flexibility considering wind power prediction interval was proposed. First,...
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Number of views:893 Amount of downloads:731
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LÜ Jin,XU Li,SUI Dawei,GAO Qixin,XU Deshu
Abstract: With the rapid development of China's industrial economy,the demand for strip materials isincreasing,and the construction of strip production lines both domestically and internationally is growing year byyear. However,the complexity of large-scale rolling mill systems and the harsh working environment ...
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Number of views:704 Amount of downloads:726
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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:760 Amount of downloads:722
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LI Weiye,GONG Yifan,XU Wei,LUO Yinglu,HE Mingjie
Abstract: As a new type of compressor,linear compressor has the advantages of high efficiency,smallvolume,low noise and little vibration. However,in order to give full play to its advantages of high efficiency,it isnecessary to control the driving frequency to track its mechanical resonance frequency. According to t...
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Number of views:891 Amount of downloads:719
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FAN Yuanliang,ZHU Junwei,WU Han,HAN Xiaolan,HUANG Xinghua,CHEN Jinyu
Abstract:Accurately estimating the state of health(SOH)of lithium-ion batteries is crucial for optimizingenergy storage systems' operation,management,and maintenance. Existing methods that extract health featuresfrom single-stage charging data fail to exploit battery aging information fully,leading to a suboptim...
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Number of views:306 Amount of downloads:718
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WAN Xiaojian,WAN Zibo
Abstract:A rotor position detection strategy based on virtual neutral point was proposed to realize positionsensorless control of BLDC motor. Through the three-phase terminal voltage with the same value of three resistancesstar connection to construct a virtual neutral point,the relationship between the virtual neut...
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Number of views:1052 Amount of downloads:718
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WU Zhiheng,LIU Aimin
Abstract: The motor actuator used in circuit breaker has the advantages of simple structure,small dispersal ofaction and strong controllability,which provides the possibility for the switch contact of circuit breaker to followthe preset reference curve. The traditional control method can not adjust the parameters ac...
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Number of views:859 Amount of downloads:718
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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:785 Amount of downloads:715
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ZHENG Junfeng,HUANG Jiyuan,CHEN Yuanyang,HU Xiangwei
Abstract: Aiming at the frequent voltage sag problem in power quality problems,a multifunctional voltage sagtreatment equipment was developed for user-side voltage sag treatment. Based on the modeling analysis of thesystem,the control algorithm of the system under grid-connected and off-grid compensation states and ...
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Number of views:641 Amount of downloads:715
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LIU Huichen,LI Zhen,SU Weifeng,YUWEN Bo,LI Haitao,ZHANG Zhenbin
Abstract: In the long cable driven induction motor drive systems,speed sensorless control is usually adopteddue to the long distance between the controller and the motor. In addition,long cable increases the stator sideimpedance of the induction motor,especially the equivalent stator resistance by an order of magnit...
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Number of views:874 Amount of downloads:713