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DAI Hui，LIU Yuxiang，LI Guorun，WANG Jianyuan，LIU Jingwen，TAN Wanqi
Abstract：Three port converter（TPC）has the characteristics of high integration，high power density andsingle-stage conversion between ports，but at the same time，the energy flow is affected by the interaction ofmultiple variables. Model predictive control（MPC）was introduced to optimize the dynamic response of outputvol...
更多Number of views：844 Amount of downloads：568
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ZHU Ye，CHEN Yuanrui，CHEN Yang，WANG Zhenlin
Abstract：The safe and efficient operation of lithium batteries depends on accurate state of charge（SOC）estimation. However，the traditional battery model and SOC estimation have poor robustness and reliability undernoise interference. Aiming at the problem of SOC cooperative estimation under noise interference，firstl...
更多Number of views：731 Amount of downloads：580
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JIA Pengfei，HE Yongpeng，YANG Jianxin，ZHANG Qing，WU Wenda
Abstract：Industrial communication technology is an effective way to achieve network control of industrialequipment. With the development of Ethernet technology in recent years，a top layer application technology basedon Ethernet，PROFINET has rapidly developed. However，due to the lack of high-speed network interfaces ...
更多Number of views：770 Amount of downloads：604
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LIU Juan，LEI Hui，LÜ Jin，WANG Yang，Xu Deshu
Abstract：The state of charge（SOC）of batteries is one of the most important parameters in lithium-ionbattery management technology，and high-precision SOC estimation is beneficial for the grid connection andcontrol of energy storage stations. Battery charge and discharge data are not only time-series in nature，but als...
更多Number of views：656 Amount of downloads：682
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XU Binbin，CHEN Chang，ZHANG Aoyu，WANG Yongqiang
Abstract: In order to study the distribution of magnetic field and temperature field of dry-type transformeriron core more accurately，analyze the influence of different excitation on the magnetic field loss and hot spottemperature rise of dry-type transformer core，firstly，Maxwell was used to calculate the transient ...
更多Number of views：743 Amount of downloads：1020
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WU Qing，AN Shaoliang，XU Yixuan，DONG Songsong
Abstract: A quasi-resonant Flyback（QR-Flyback）converter with 65 W output was designed. The valleyswitching principle and the switching loss reduction mechanism of QR-Flyback were analyzed，the frequency andloss characteristics of the system under different working conditions were compared，and the advantages anddisadv...
更多Number of views：668 Amount of downloads：579
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GUO Jiahao，YANG Xiong，FANG Xin，GUAN Jiamin
Abstract: The secondary voltage signal output by electronic capacitive voltage transformer in the primary andsecondary fusion equipment is very weak，which is easy to be interfered by high-order harmonics，resulting inunstable signal transmission. In order to solve these problems，a high-order and high-precision filter...
更多Number of views：766 Amount of downloads：476
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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...
更多Number of views：615 Amount of downloads：514
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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...
更多Number of views：638 Amount of downloads：544
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HAN Song，YU Zhiqiang，WANG Mingyue，YU Hongze，JIA Pengfei
Abstract: Under the background of carbon emission reduction，fully controlled power device IGBT is widelyused in various of converters with its excellent performance，effective and reliable drive circuit is crucial to the safeoperation of IGBT，especially for high-power applications. Aiming at the requirement of flexib...
更多Number of views：554 Amount of downloads：363
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LIANG Zhen，WANG Yong，BAI Haibin，ZHANG Zhiyu，SUN Qianhao，CUI Bin
Abstract: Based on full-bridge（FB）and half-bridge（HB）sub-modules（SMs），the conventional hybridmodular multievel converter（MMC）is a typical topology of MMC with DC fault clearing ability. However，theproportion of FB SMs in conventional hybrid MMC is usually greater than 50%，so as to increase the cost andlosses. To sol...
更多Number of views：464 Amount of downloads：432
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TIAN Bin，SUN Quanhui
Abstract: AC/DC switching power supply is the main source of electrical system，its development trend islarge capacity，high power density，high efficiency，low power factor and low harmonic content. However，there are still some common problems with existing digital power supplies，including poor anti-interference abilit...
更多Number of views：688 Amount of downloads：725
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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...
更多Number of views：648 Amount of downloads：497
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ZHANG Di，HUANG Lu，CUI Jing，SONG Zhiwei
Abstract: The AC voltage sensors are used to measure the grid voltage，which brings high hardware cost，difficult installation and low reliability. In order to realize that grid voltage sensors are not necessary，virtual fluxwas introducted to model prediction power control algorithm for cascaded H-bridge rectifier. Th...
更多Number of views：693 Amount of downloads：518
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ZHANG Xiangqian，CHE Chaochang，LI Fengsheng，YU Shipeng，LEI Hui
Abstract: As an important part of power electronic power conversion device，auxiliary power supply is facedwith the application demand of high voltage and wide range in DC transmission，solar power station，wind powerstation and other systems. Aiming at the problems of switch stress，cost and efficiency caused by high v...
更多Number of views：713 Amount of downloads：699
