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TANG Weifeng，WANG Changjiang
Abstract: In the motor controller of new energy vehicles，due to insufficient current capacity，high cost，andlimited heat dissipation capacity，parallel power devices are often used to extend current capability of power inverter for EV applications. Current imbalance can be caused by device parameter tolerances，parasit...
更多Number of views：3592 Amount of downloads：7276
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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：1878 Amount of downloads：7273
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MA Zhousheng，YAO Yang
Abstract: A novel DC current-voltage droop control method was proposed for a hybrid high-voltage directcurrent（HVDC）system composed of a voltage source converter（VSC）and a line-commutated converter（LCC）.The DC voltage droop control was used to reduce AC voltage fluctuation on the inverter side，so as to achieve thego...
更多Number of views：5407 Amount of downloads：7265
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LI Chengyuan，ZHANG Chao，LI Zhe，LIU Bochang，GAO Jing，JIN Pengfei
Abstract: Due to the small capacity and weak regulation energy of island grid，it is very easy to cause systemcollapse. When the isolated grid collapses，it is necessary to establish the grid through its internal black start powersupply without relying on the external public grid. In recent years，with the rapid develo...
更多Number of views：4905 Amount of downloads：7260
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WANG Haijun，WANG Lei
Abstract: Aiming at the problem of active power dispatch and control in the grid-connected power system oflarge-scale wind power clusters（WPC）of distributed wind farms，a hierarchical model predictive control（HMPC）strategy based on dynamic power dispatch was proposed. Firstly，the dispatch framework was divided into f...
更多Number of views：5012 Amount of downloads：7253
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YIN Yongliang，WU Qiong，ZHANG Jianping，ZHANG Heng，CHENG Haozhong，ZHANG Xiaohu
Abstract: With the increasing scale of wind power installation and grid connection，the interconnection ofpower grids through tie lines can absorb wind power in a wider range，but the uncertainty of wind power output leads to an increase in the risk of system operation. Conditional value-at-risk（CVaR）was introduced in...
更多Number of views：3899 Amount of downloads：7230
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YAN Chengshan，QIU Mingquan，ZHANG Lijun，ZHANG Guorui，WANG Chunlei
Abstract: Aiming at the problems of regional large-scale photovoltaic construction and access，as well as thelack of control of existing distributed energy，the construction and operation control method of microgrid groupwere put forward，which extracted a three-level and two-stage coordination and interaction system s...
更多Number of views：2405 Amount of downloads：7225
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LIU Xue，ZHAO Lu，MA Chengyao，FAN Enze，GE Qiongxuan
Abstract：High-frequency transformers are an essential component in series-resonant DC/DC converters，andtheir stable operation has a decisive impact on the reliability，efficiency，and power density of power supplysystems. Nanocrystalline magnetic cores are widely used due to their advantages of high saturation magneti...
更多Number of views：2152 Amount of downloads：7215
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YANG Xinai，LI Bingran
Abstract: A dispatchable droop control method for multiple distributed generators which can be applied inislanded AC microgrids was proposed. In the proposed method，the first-order inertia elements was utilized toachieve pseudo hierarchical control so that the distributed generator（DG）could share the load automatica...
更多Number of views：4778 Amount of downloads：7215
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XU Rui，PAN Sanbo
Abstract: Aiming at the problem that the application of multi-step model predictive control（MPC）to invertercontrol results in a doubling of the number of solutions to lead to computational difficulties，an MPC strategy basedon the improved spherical decoding algorithm was introduced. In the control strategy，the optim...
更多Number of views：5387 Amount of downloads：7210
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RONG Zhenshuai，CHI Yingchao，SUN Zhan，WANG Yijie，XU Dianguo
Abstract: The arrival of the 5G era has put forward higher requirements for the power system，that is，theconverter is required to have high efficiency，high power density，and rapid dynamic response. In response to thisproblem，the third generation of wide bandgap semiconductor device gallium nitride（GaN）transistors was...
更多Number of views：5815 Amount of downloads：7201
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LI Yanlei，ZHANG Xiaoyang，LI Xiaoling，LIU Wei，WANG Gang，ZHOU Gaowei
Abstract: Because traditional methods have problems such as poor control stability and low control efficiencyin the process of using unmanned aerial vehicle（UAV）to check obstacles in transmission channels，a transmissionchannel unmanned aerial vehicle motor auto-disturbance rejection control technology based on extre...
更多Number of views：4447 Amount of downloads：7195
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DING Yi1，LIU Shengzhong，WANG Xudong，HUO Xianxu，HU Zhigang，JIANG Fan
Abstract: The estimation method of state of health（SOH）of lead-acid battery based on chaotic particle swarmoptimization-Gaussian process regression（CPSO-GPR）was proposed. Firstly，the voltage and current curves of leadacid battery during charging process were investigated，and the characteristics of constant current c...
更多Number of views：4708 Amount of downloads：7192
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SUN Mengen，GONG Haiming，ZHAO Jie，SUN Rongrong，LU Huiwen，WANG Hui
Abstract：Accurate topology and line parameter information is the basis of state estimation and securitycontrol of distribution network. Affected by the performance of collection terminals and environmental factors，themeasurement error of metering equipment often deviates from Gaussian distribution. Higher requiremen...
更多Number of views：1952 Amount of downloads：7186
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ZHOU Jie，ZHAO Shiwei，WU Yihao，YANG Xiangyu
Abstract：In order to optimize the current stress of dual active bridge（DAB）converter，an improved dualphase shift（IDPS）modulation was proposed based on the traditional dual phase shift（DPS）modulation. Firstly，the working principle of IDPS modulation was introduced，its steady-state working characteristics were analyze...
更多Number of views：2328 Amount of downloads：7186
