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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:500 Amount of downloads:223
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YU Shengcan,YU Tao,FENG Miaoyong
Abstract:Accurately and quickly identifying the fault types of traction transformers is a key technology forintelligent operation and maintenance. Aiming at the problems of single model deviation in the current traditionalalgorithm and the constraints between the iteration rate of complex models and the deployment o...
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Number of views:487 Amount of downloads:221
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QU Bo,LI Xin,XIANG Xingyao,ZHANG Ping,WANG Dan
Abstract:A microgrid optimization scheduling model considering dynamic network reconstruction wasproposed for the parallel and off grid scheduling problem of microgrids. The proposed model was based on Bendersdecomposition and decomposes the optimal scheduling problem of microgrids into a grid-connected operationmas...
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Number of views:249 Amount of downloads:220
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JIANG Xuejiao,ZHANG Changqing,QIN Gang,ZHONG Lei,ZHOU Chaojun,CHEN Yupei
Abstract:In order to balance the output difference between renewable energy and load in the activedistribution network and reduce the budget cost and user purchase cost,an optimal dispatching method ofdistributed generation units in the active distribution network based on power demand side response was proposed.On ...
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Number of views:299 Amount of downloads:220
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LI Yunwang,CHEN Junde,ZHANG Daping,SANG Yun,HAN Xiaolei
Abstract:An adaptive active arc suppression method based on S-transform correlation degree for distributionnetwork unidirectional grounding was proposed to effectively eliminate single-phase grounding fault arc indistribution network and improve power system stability. The time series data of zero-sequence current o...
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Number of views:467 Amount of downloads:218
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CHEN Chen,DONG Pingxian,SONG Xiaofan,GUO Fang,QI Huanruo,DU Xiaotong
Abstract:After the distributed wind farm stations are integrated into the distribution network,due to thecharacteristics of wind farm short-circuit current amplitude control and frequency offset,the traditional three-stagecurrent protection of distribution network is difficult to accurately identify the fault on the...
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Number of views:322 Amount of downloads:216
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WANG Yuning,YANG Chengshun,HUANG Xiaoning
Abstract:In response to the poor disturbance rejection performance and issues of parameter perturbation andcontrol precision in traditional control strategies for interior permanent magnet synchronous motors (IPMSM),afuzzy sliding mode control strategy based on the super-twisting disturbance observer was proposed. T...
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Number of views:312 Amount of downloads:214
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WAN Shaoqi,WANG Bo,GUAN Wenqing,CHEN Jingbo,LÜ Congxin,DONG Haiying
Abstract:The traditional control of electromechanical actuator in aviation electromechanical servo systemmostly adopts two-level inverter and PID control,which can not achieve higher precision control of permanentmagnet synchronous motor. In view of the above problems and the difficulty of space vector modulation al...
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Number of views:384 Amount of downloads:210
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HUANG Zhaobin,ZHANG Zhijian,LONG Tan,HU Bin,LIU Wenlong,WANG Gaolin
Abstract:When the Vienna rectifier is connected to unbalanced loads operating under light load conditions,the slight power difference causes unbalanced voltage of bipolar DC bus,which increases the voltage stress on theswitching device and DC-link capacitance. To solve the above problems,a DC offset reduction of neu...
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Number of views:304 Amount of downloads:210
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WU Yihao,ZHAO Shiwei,ZHOU Jie,XIAO Chaoren
Abstract:In order to solve the problem of large peak-to-peak inductor currents in dual active bridge converterswith mismatched input and output voltages,a four-degree-of-freedom modulation(FDFM)strategy was proposedby combining symmetric duty cycle modulation and asymmetric duty cycle modulation. By analyzing the op...
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Number of views:268 Amount of downloads:210
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ZHUYanxiang,LIN Hong
Abstract:Aiming at the problem of insufficient frequency modulation capability of direct-driven wind turbineunder traditional virtual inertia control,a control strategy of super capacitor assists direct-driven wind turbineparticipating in frequency modulation was proposed to improve the frequency stability of power ...
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Number of views:325 Amount of downloads:204
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SHI Kun,CHEN Songsong,CHEN Xuejie,CHEN Zhaorui,YAN Huaguang,WU Yingjun
Abstract:New energy has obvious volatility and anti-peak-shaving characteristics,and the integration of largescale new energy into the power grid poses challenges to the peak-shaving. Hydrogen energy has a good potential for application as a potential peak-shaving resource. A multi-time scale peak-shaving scheduling...
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Number of views:263 Amount of downloads:198
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ZHAO Aibo,LI Zihao,WANG Zixuan,LI Junhui,MA Siyuan
Abstract:Aiming at the problems of insufficient stability and low power generation efficiency of the existingpower supply means for offshore ocean observation equipment,and low power density of direct drive wave energypower generation device due to the low running speed of ocean waves,it proposed to apply the magnet...
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Number of views:301 Amount of downloads:196
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ZHANG Wei
Abstract:The multi-source monitoring data of switchgear contains rich equipment operating statusinformation,and analyzing it can achieve switchgear fault diagnosis. A fault diagnosis method for switchgear basedon SMOTE-SSA-CNN was proposed. Firstly,based on monitoring data such as switchgear voltage,current,andtempe...
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Number of views:232 Amount of downloads:195
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GUO Shaokang,CHENG Zhijiang,XIAO Shihao,LI Lingqi,CHEN Xingzhi
Abstract:Aiming at the challenge of demand response uncertainty to the safe and economical operation ofintegrated energy system,a cooperative optimal scheduling model of multi-region integrated energy systemconsidering thermal pipe network transmission and demand response was proposed. Firstly,the energy transmissio...
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Number of views:314 Amount of downloads:195