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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:981 Amount of downloads:1240
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ZHOU Qun,XIA Haogang,CAI Xiyu,LIN Dong,YAN Tiesheng
Abstract:The amplitudes of strong pull-in current and hold-on current passing through the high speedsolenoid valve were regulated accurately by using hysteresis control to realize pulse width modulation of thevoltage of fast solenoid valve,the duty cycle of the current pulse passing through the high speed solenoid v...
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Number of views:980 Amount of downloads:1537
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ZHANG Jun,GONG Min,ZHOU Yi,XIE June,CAO Lei,LIU Yingying
Abstract:In traditional current protection,the effective value of current is compared with the setting value toidentify the fault which is the typical protection scheme for the transmission lines of the power distribution systems.The current is calculated by the fast Fourier transform algorithm. As the calculation o...
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Number of views:979 Amount of downloads:956
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XU Junyue,LIU Yi,GUI Jiae
Abstract: Aiming at the problems of three-phase load imbalance,power quality degradation and harmonicdispersion in current electronic power distribution system,a comprehensive power quality control scheme with fastdynamic response and small output harmonic was proposed,which includes comprehensive control mode andco...
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Number of views:978 Amount of downloads:962
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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:971 Amount of downloads:1036
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LI Ning,LIU Ming,ZHANG Changjie,ZHANG Chenglin
Abstract:At present,the traditional passive filter in on-board charger(OBC) has poor low-frequencyperformance,an active feedback loop was added to the traditional on-board charger passive filter,a design method of on-board charger electromagnetic interference(EMI)hybrid filter based on current sensing and current in...
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Number of views:970 Amount of downloads:605
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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:970 Amount of downloads:814
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LAI Guoqing,LAI Qun,LI Ming,FENG Chaokun
Abstract: In the application of renewable energy power generation,multi-input-port power conversion systemis a high cost-effectiveness option. A multi-input-port DC-AC conversion system based on single-stage nonisolatedbuck-boost power conversion cell was propsed . Each type of DC source flows into the full-bridge c...
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Number of views:966 Amount of downloads:1000
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PAN Lingling,ZHUANG Weijin,ZHAO Qi,TIAN Jiang
Abstract: In the background of the new power system,the importance of demand-side dispatchable resourcesof the grid for system stability is increasing. As an important dispatchable load resource,an accurate assessment ofelectric vehicle(EV)dispatchable potential can effectively improve the safety and stability of th...
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Number of views:964 Amount of downloads:1142
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SU Yanlong,YANG Jun,WENG Yuyou,WANG Yuling,HU Yu,PAN Shitong
Abstract:In order to improve the stability and economy of photovoltaic-storage combined power station,acapacity optimization method of photovoltaic-storage system based on the whole life cycle was proposed. The basicmodel of the station was analyzed. The capacity optimization model of energy storage system was estab...
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Number of views:960 Amount of downloads:714
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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:958 Amount of downloads:609
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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:958 Amount of downloads:891
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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:957 Amount of downloads:985
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CHEN Dongdong,ZHANG Shengqi,XIAO Long
Abstract:Due to the wide control bandwidth of the shunt active power filter(SAPF),the resonance problemof the LCL output filter has become a key problem of the SAPF. To solve the resonance problem of the LCL filter,anovel damping method based on active damping circuit was proposed to achieve the damping effect witho...
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Number of views:948 Amount of downloads:727
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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:943 Amount of downloads:906