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WANG Yihan，FENG Chuanxin，JIN Tao
Abstract：To solve the problem of neutral point voltage imbalance when the three-level neutral point clamped（NPC）inverter works，an improved neutral balance model predictive control（INB-MPC）algorithm was proposed.The proposed method used a two-stage voltage vector selection method with no weighting factors，deleted the...
更多Number of views：2935 Amount of downloads：11138
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WANG Xuli，XU Jiayin，SHEN Yuming，LI Kun，FENG Peiru，JIANG Guifen
Abstract：In order to make full use of the frequency modulation capability of the wind turbines，consideringthat a conventional wind-power coordinated frequency control strategy not only results in some fluctuations in thefrequency of the system，but also requires high energy storage capacity and poor economic efficien...
更多Number of views：2291 Amount of downloads：11136
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ZENG Xiaotong，WANG Rongmao
Abstract: The Vce method and the Vth method are two recommended junction temperature measurement methods in the IGBT thermal resistance test standard. However，the relationship and equivalence of the junction temperature measured by the two methods are not explained. Firstly，the voltage composition of Vce and Vth was...
更多Number of views：6316 Amount of downloads：11130
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YIN Jianqiang，WU Xianming，WU Fengzhi，YANG Peihao
Abstract: The sensorless control of PMSM based on control algorithm is a research hotspot in the field ofmotor control. A PMSM sensorless control system based on low-speed pulse and high-frequency stator flux injectionwas proposed，and the traditional stator flux estimator was improved and the high-frequency signal wa...
更多Number of views：6352 Amount of downloads：11126
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HOU Yongquan，MA Lifang，MEI Shuang，WU Bo，WANG Tan，LU Tao
Abstract：In recent years，the use of microinverters has received a lot of attention as one of the viable methodsfor residential and commercial PV power conversion systems. Flyback inverters operating in current continuousconduction mode（CCM）have been widely studied for their low output ripple current，high efficiency，...
更多Number of views：2782 Amount of downloads：11108
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HU Changsheng，LI Yang，SHAN Qiang，LIU Hui
Abstract: The fault-tolerant control of active power filter（APF）has component redundancy，which leads to the increase of fault-tolerant control error，the decrease of execution efficiency and fault-tolerant rate. Aiming at these problems，a fault-tolerant control method ofAPF based on component redundancy was proposed....
更多Number of views：6162 Amount of downloads：11080
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HU Yifei，WEI Ran，CHEN Zhihua，LI Wei，SHI Chengliang
Abstract：As the requirements for real-time performance and accuracy in power operation scenarios continueto rise，traditional single-source perception methods face significant challenges in complex environments anddecision making support. To address this issue，the design of an on-board perception device for power ope...
更多Number of views：1572 Amount of downloads：11053
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ZHOU Jun，XIAO Yuanbing，YAN Huamin，LU Jingjing，XU Tiefeng，ZUO Fanglin
Abstract：In order to improve the power coordination ability among microgrids in the microgrid group，it isnecessary to consider the correlation between renewable energy generation output and the difference in load timedistribution in different regions in the microgrid group planning. A scenario generation method that...
更多Number of views：2450 Amount of downloads：11044
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ZHANG Yang，GAO Tian，LIN Weixing
Abstract: Photovoltaic inverter，charging pile，energy storage converter，wind power converter and othercommon power electronic equipment are three-phase high frequency AC/DC/DC converter，which is widely used inindustrial and civil fields. Due to the fast switching capability of three-phase high frequency converter，its...
更多Number of views：6126 Amount of downloads：11026
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PAN Guangxu，GONG Chiyu，LI Xingyu，HU Jun，LI Yingjie，WANG Ruiqi
Abstract: As an essential part of power system design and operation scheduling，electric load forecasting istroubled by strong randomness and low accuracy. Moreover，the application of advanced forecasting algorithms isassociated with data management system，while the traditional data management system is very inconven...
更多Number of views：5769 Amount of downloads：11017
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QIU Chen
Abstract：Aiming at the deterioration of position control performance in the position servo system ofpermanent magnet synchronous motor（PMSM）due to internal and external disturbances such as load torquevariation，an optimal position control method was proposed with anti-disturbance capability on the basis of activedis...
更多Number of views：1380 Amount of downloads：11007
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YANG Zhengdong，SHI Haobo
Abstract: The tracking of the distorted current signal without static error cannot be completed by a single PIcontrol. In order to improve the quality of the grid current，a harmonic compensation method for parallel active filters under extreme loads was proposed. Create the main circuit topology of the parallel acti...
更多Number of views：5283 Amount of downloads：10980
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XU Dacheng ，YIN Chunya ，ZHOU Jiayang ，LI Fengting ，LIU Jiangshan
Abstract：To mitigate the fatigue load generated by wind turbine participation in primary frequency regulation，a primary frequency regulation strategy considering the fatigue load of wind turbine was proposed based on themechanical dynamic response characteristics and control device operation characteristics of wind ...
更多Number of views：3573 Amount of downloads：10977
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LI Xuhui，XIE Baihuang，HUANG Xiaoyong，XUYan
Abstract: The collector line short-circuit fault is one of the most common faults for the grid-connected doublyfed wind farms. Because the introduction of the crowbar discharge resistor，after the unsymmetrical faults of the collector line，the positive and negative sequence impedances of DFIG will produce the differe...
更多Number of views：6028 Amount of downloads：10974
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LI Xuan，DONG Yongle，HAI Hongye，JIN Zhao
Abstract: Under the background of smart grid，higher requirements are put forward for the management level of distribution network，and the traditional static model can not meet the application requirements of refined line loss and real-time scheduling. Based on low-voltage power grid topology identification and broad...
更多Number of views：6048 Amount of downloads：10972
