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SUN Lunan,ZHOU Yong,LIU Xiaodong,LIU Yawei,WANG Haoyu
Abstract:Combined with the current software features and the requirements for function expansion of thecurrent test equipment engineering project,a set of test data analysis system was designed. The system includes the functions of remote test data monitoring,historical data playback,test data analysis,data predicti...
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Number of views:2278 Amount of downloads:7533
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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:2971 Amount of downloads:7523
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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:1963 Amount of downloads:7519
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LIU Kai,LI Gang,WANG Xin
Abstract: According to the 90 s regular breaking and 15 s emergency breaking requirement for 60 MW axialcompressor used in some large scientific facility,a control strategy of electric hybrid breaking in the convertor wasdesigned. The hybrid braking control strategy was analyzed and calculated,and the optimal brakin...
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Number of views:2134 Amount of downloads:7443
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LI Shengnan,HE Tingyi,HE Xin,HE Peng,ZHANG Yongchang,ZHANG Shengan
Abstract:During the joint operation of permanent magnet direct drive wind power generation systems,thechanges in motor side parameters may cause problems such as reduce control accuracy and stability on the machineside,which in turn affects the DC bus voltage of the converter,leading to power fluctuations on the gri...
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Number of views:1929 Amount of downloads:7425
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YANGYifan,YIN Han,LU Zhiye,YU Xueying
Abstract: In order to solve the problems of large volume and short service life of the traditional electrolyticcapacitor frequency converter,the thin film capacitor was used to replace the electrolytic capacitor to constitute theAC-DC-AC frequency converter without electrolytic capacitor. Aiming at the problem of bu...
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Number of views:2377 Amount of downloads:7401
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XU Haijia,MIAO Shuwei
Abstract:Aiming at the vibration problem of wind turbine towers caused by natural factors or actions of windturbine components,a wind turbine tower vibration warning model based on fuzzy inference optimization wasproposed. Firstly,based on the data from the wind turbine supervisory control and data acquisition(SCADA...
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Number of views:1314 Amount of downloads:7400
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ZHANG Xing,LIU Pingfei,ZHANG Liuli,ZHANG Yuwei,JIN Yu,XIAO Qian
Abstract:Under the promotion of carbon peak and carbon neutrality,in order to effectively reduce the carbonemissions of distributed generators in islanded AC/DC hybrid microgrid clusters,a distributed low-carbon controlstrategy was proposed. Firstly,the topology of the islanded AC/DC hybrid microgrid cluster was giv...
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Number of views:1825 Amount of downloads:7398
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HUO Huijuan,LI Peidong,XIN Cheng,LI Weiwei,LU Yanchao,CHEN Tianqiong
Abstract:Under the context of the new power system,the high share of renewable energy brings significantchallenges to the security,stability,and economic operation of the system and the grid. An uncertain optimizationscheduling model for hydrogen storage/electricity-gas integrated energy systems supported by large p...
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Number of views:2477 Amount of downloads:7385
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YANG Le,ZHU Ying,HUANG He,WANG Wei,JIANG Wei,SU Xiaoyun
Abstract:In China,the ascendancy of new energy sources such as photovoltaic and wind power,alongside the proliferation of DC loads within the power system,has propelled hybrid AC/DC distribution networks to theforefront of power distribution system evolution. However,the extant assessment framework for distributionn...
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Number of views:1733 Amount of downloads:7335
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LU Shanshan,LI Li,LI Lin,SUN Haibo,WU Runze
Abstract:In recent years,the large-scale access of a large number of new power distribution services such asdistributed power generation,electric vehicles,and flexible load control has led to a sharp increase in the operating pressure of the power cloud master station. To this end,an adaptive resource allocation met...
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Number of views:1899 Amount of downloads:7331
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HU Qingjun,CAO Xinhui,FENG Yu,ZHU Lipeng,ZHAO Wenjing,WEI Yushan
Abstract: The process automation control system L2 of an aluminum zinc plating production line wasexplored. In response to potential production faults on the production line,a process data control module of theprocess automation control system was provided. Through the analysis of process data,the fault location of ...
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Number of views:1918 Amount of downloads:7318
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YIN Xiang,ZHANG Xiaojun,FENG Xinjia,CHENG Shi,TAO Yuxin,XIAYuande
Abstract:As the penetration rate of new energy and power electronic equipment increases,the inertia anddamping of the power system decrease,and the stability decreases.The grid-forming control technology builds avoltage source to support the stable operation of the large power grid through the converter,so as to pla...
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Number of views:2746 Amount of downloads:7310
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SHI Dongsheng,WANG Tao,QIU Shuming,WANG Wenguang,WANG Yubo
Abstract: Application of TAC1 series high performance high power inverter products of Tianjin ElectricResearch Institute on 20-high reversible mill was introduced.The common DC bus multi drive system consists ofactive infeed converter and inverter. Firstly,the device selection of the system and the calculation of tra...
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Number of views:2290 Amount of downloads:7310
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QI Zhenbiao,BAO Yuying,FAN Shen,PAN Min,HU Pengfei,WU Hongbin
Abstract:In the multi-source measurement system of distribution network,the sampling frequency and timestamp of multi-source measurement equipment are not synchronized,as well as the bad data in the system,whichwill lead to the bias among the measurement data,thus affecting the accuracy of state estimation. To this ...
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Number of views:1559 Amount of downloads:7302