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SUN Chuanjie，TIAN Kai，XU Wenyuan，LU Beibei，LI Nan
Abstract：A brake unit based on IGCT was designed for different applications of frequency converter inindustrial scenes，especially the medium voltage frequency conversion system without feedback function. IGCTwas used as the main power device，and the parameters and characteristics of IGCT was analyzed. According to t...
更多Number of views：215 Amount of downloads：242
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GU Laiqiang
Abstract：The traditional three-phase pulse width modulation（PWM）rectifier requires six power switches.Due to the shoot-through problem between two switches on the same bridge arm，the control difficulty is increasedand overall system design becomes more complicated. A half-controlled three-phase PWM rectifier topolog...
更多Number of views：219 Amount of downloads：272
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SHENG Jie，GUO Tiantian，JIA Kaili，ZHU Jianfeng，YUAN Yuan，WANG Qi
Abstract：The grid frequently exhibits weak grid characteristics because the impedance fluctuation range ofthe collector network is broad in high permeability distributed generation system. The coupling relationshipbetween the phase-locked loop and the grid impedance leads to desynchronizing between the grid-followin...
更多Number of views：204 Amount of downloads：219
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ZHAO Fajin，SHU Zhengyu，WANG Can，LIU Wencan ，HUANG Qiyun
Abstract：Accurate and efficient multi-load forecasting is of great significance for the operation control andscheduling of integrated energy system（IES），in order to improve the load forecasting effect，a integrated energysystem load prediction model based on least absolute shrinkage and selection operator（LASSO）and L...
更多Number of views：98 Amount of downloads：73
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TANG Lan，HUANG Liwen，WANG Chenglei
Abstract：A K-means clustering algorithm was proposed and a conditional Wasserstein generative adversarialnetwork with gradient penalty（CWGAN-GP）to address the problem of imbalanced photovoltaic generation datacaused by the low occurrence probability of extreme weather. A prediction approach combining bidirectional l...
更多Number of views：120 Amount of downloads：100
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LUO Xiang，LIN Dong，ZHANG Zhenyu，WANG Jueying，CAI Zhiping，LIN Ruoyin
Abstract：To tackle the issues of low execution efficiency and poor fault tolerance in traditional faultlocalization methods for active distribution networks using swarm intelligence optimization algorithms，a two-stagefault location method was introduced based on the SSA-RF algorithm and cosine similarity. Firstly，th...
更多Number of views：104 Amount of downloads：76
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MENG Jia
Abstract：To address the supply-demand imbalance caused by renewable energy intermittency and loadfluctuations in islanded microgrids，a two-layer optimization-based dynamic time-of-use（TOU）pricing schedulingmodel was proposed，aiming to enhance economic efficiency and operational stability. First，a comprehensivemicrog...
更多Number of views：87 Amount of downloads：76
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ZHANG Baorui，WANG Jingtao，TAN Yao，WANG Zhiguang，LI Tang，SHI Yang
Abstract：Accurate short-term electrical load forecasting is of great significance for the design andoptimization scheduling of integrated energy systems（IES）. However，the load data in real integrated energysystems are low-quality and fluctuating，so the forecasting accuracy of existing prediction models is low. A sho...
更多Number of views：77 Amount of downloads：62
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YANG Guotao，HU Dongfang，ZHANG Jiaming，WEN Liqiang，TIAN Lisi
Abstract：Space vector pulse width modulation（SVPWM）strategy is one of the key technologies for threelevelinverters. However，conventional three-level SVPWM often experiences neutral point potential（NPP）oscillation and high switching loss when addressing the neutral point potential balancing issue. To tackle thischall...
更多Number of views：370 Amount of downloads：355
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ZHAO Yifu，ZHANG Guangbin
Abstract：In response to the existing problems of traditional diode based clamp type wind turbine inverters，ahybrid clamp type structure was introduced. Based on the analysis of its working principle，a method for switchingthe switch state and a vector optimization selection method that can avoid modulation waveform b...
更多Number of views：284 Amount of downloads：294
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LI Haoyuan，CHEN Guowei，LI Guanjun，WEI Lingfeng，LIN Da，WANG Xiangjin
Abstract：With the emergence of a large number of distributed power generations，various unbalanced andnonlinear loads are connected to the power grid，resulting in the distortion of the grid current，which brings adverse effects to both the power grid and electrical equipment. A multifunctional energy storage converter...
更多Number of views：281 Amount of downloads：353
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YANG Zhaohui，WEI Huadong，HE Liuqing，ZHANG Hao，PENG Guoping，SHI Ben
Abstract：Aiming at the problem of large switching loss of modular multilevel converter（MMC），startingfrom the switching frequency optimization strategy，the existing switching frequency optimization strategy wasimproved，and the accurate analytical formula of sub-module capacitor voltage based on the real-time value of...
更多Number of views：245 Amount of downloads：323
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DING Chaohui，YAO Fei，JANG Jun,GAO Ang，SHAO Gao
Abstract：The traditional predictive current control for three-phase LCL grid connected inverters has theproblems of large steady-state ripple and unstable switching frequency，which is not conducive to the quality of grid connected current and the design of filters. Therefore，an improved three vector fixed frequency ...
更多Number of views：250 Amount of downloads：355
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SI Dajun，WANG Jie，SHU Banggui，ZHANG Guangbin，SHU Hongchun
Abstract：The load of a submerged arc furnace has many advantages，such as large single-unit regulationcapacity，good communication conditions，easy control，and low economic retrofitting，making it an importantflexible regulation resource for the power grid. However，there is currently a lack of effective digital simulati...
更多Number of views：244 Amount of downloads：322
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CHEN Biao，HAN Zhongxiu，MA Liqiang，ZHANG Renhe
Abstract：The back-to-back active neutral-point-clamped（ANPC）converter，as the core component of theunified power flow controller of the distribution network，is widely used for the flexible closed-loop operation.However，the ANPC converter has more switching devices and commutation paths，which significantly increasesth...
更多Number of views：260 Amount of downloads：319
