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ZHANG Xiaolian，WU Qichuan，HAO Sipeng，Qin Shiqiu，HU Qi，ZHANG Jinhua
Abstract：The participation of wind power and energy storage in primary frequency regulation of power gridcan make better use of the advantages of wind power and energy storage for frequency regulation，which hasgradually become a new trend. However，there are some problems in the coordination of wind power system ande...
更多Number of views：263 Amount of downloads：273
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LU Lin，KONG Fanting，ZHANG Chunxiang，CHEN Jian，WANG Lianjie
Abstract：Static var generator（SVG）can governance power quality，energy conservation and reduceconsumption，furthermore it is an energy consumption product.The reasonable evaluation of the energy saving ofthe device has become an urgent problem to be solved. The power saving measurement technology of products wasstudie...
更多Number of views：262 Amount of downloads：286
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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：261 Amount of downloads：320
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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：252 Amount of downloads：356
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GE Yaming，ZHOU Chenbin，MENG Yihua，SHEN Jiaoxiao，CAO Haiou，REN Xuchao
Abstract：With the accelerated construction of new power systems，the scale and complexity of transmissionsystems are constantly increasing. Therefore，it is urgent to study transmission line fault diagnosis algorithms thatutilize multi-source data as driving sources and meet requirements for accuracy and low time cons...
更多Number of views：248 Amount of downloads：307
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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：246 Amount of downloads：325
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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：245 Amount of downloads：323
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DENG Guimei，ZHANG Yue，HE Yongpeng，ZHAO Haixu，YU Hongze
Abstract：In order to study the operating characteristics of onboard power net of high-speed maglev train，anautomated networking test system based on LabVIEW was developed on the basis of several independent onboardpower net test systems. Through the comprehensive simulation of the external power supply of the train，...
更多Number of views：238 Amount of downloads：242
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YAN Kun，GAN Jingfu，LIU Hongshun，SUI Yizhen，HE Pengkang
Abstract：A fusion prediction method was proposed to predict and correct the calculation deviation of the toptransformer oil temperature model in IEEE guideline，so as to realize the more precise prediction of the transformertop oil temperature（TOT）. Firstly，the characteristics of the transformer TOT model and the ext...
更多Number of views：229 Amount of downloads：260
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ZHENG Bining，YAN Dong，SONG Peng，ZHANG Zhen，YAN Yan
Abstract：The structure parameters of dual-stator permanent magnet synchronous motors（DSPMSM）wereoptimized with finite element methodTaguchi method at the rated point，maximum torque point，and maximum speed point，respectively，aiming at the problem of large torque ripple of DSPMSM. The influence onelectromagnetic torqu...
更多Number of views：223 Amount of downloads：235
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ZOU Yingdong，WANG Fengjun，ZHOU Yu
Abstract：This research focused on the separation and calculation of electromagnetic losses in semi-directdrived permanent magnet wind generators（SDDPMWG）. Firstly，analytical method for calculating core loss ofmotor considering harmonic current was derived based on the Bertotti method. The eddy current loss of perman...
更多Number of views：220 Amount of downloads：265
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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：220 Amount of downloads：272
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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：216 Amount of downloads：242
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QIU Shuming，ZHAO Bin，CHEN Kuilin，CHEN Zhibin，LI Chao
Abstract：An anti-interference domestic variable frequency multi-drive system solution for the five-standcontinuous cold rolling line in the steel strip cold rolling field was presented. Firstly，the mechanical equipmentand rolling process of the 900 mm five-stand continuous rolling line was introduced，and matched the...
更多Number of views：215 Amount of downloads：246
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XIONG Wei，CHEN Long，LÜ Shunli，GUO Zhenyu，LU Xin
Abstract：To address the complexities of transformer condition assessment indicators and the overreliance onexpert judgment in the evaluation process，a novel method for fuzzy comprehensive assessment of transformercondition was introduced，which is based on gaming theory and an improved version of the D-S evidence the...
更多Number of views：213 Amount of downloads：238
