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KONG Fanting，WANG Yang，YANG Hao，CHEN Jian，LU Lin
Abstract: High-voltage/low-voltage prefabricated substation is short for“box substation”，its nature of savingenergy has been widely researched. The research have been from choosing components to optimizing structure. Agreat of improved products have swarmed into market. But there is neither a set of method to test l...
更多Number of views：3898 Amount of downloads：3820
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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：3129 Amount of downloads：3816
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GUO Peijian，JI Shiqing，LIU Juan，HE Jinwei，BAI Yang，GUO Yan
Abstract: Due to the special characteristics of the structure and load of the traction power supply system，serious imbalances can occur in the three-phase power supply system，which restricts the development of highspeed，heavy-haul railways. The structure of a single-three-phase combined co-phase power supply system ...
更多Number of views：2899 Amount of downloads：3809
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CHEN Qun，ZHOU Jiemin，HONG Feng，ZHENG Gang，XI Zhiyang
Abstract: The solid-state power controller，which integrates the functions of traditional power distributiondevices such as circuit breakers and relays，is the core component of the all-electric aerospace vehicle powerdistribution system.Among them，the inverse time overcurrent protection technology is one of the key t...
更多Number of views：3053 Amount of downloads：3807
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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：4090 Amount of downloads：3801
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GU Jiming，SONG Yunting，LIU Xinyu，ZHU Shaoxuan，LEI Yu，ZHANG Tongzun
Abstract：Under the dual carbon background of AC and DC hybrid power grids have the new feature of"strong HVDC and weak AC system" and power electronization，in order to effectively reduce the risk of largescalepower outages in power grid，it is necessary to build a secure and reliable comprehensive defense system toen...
更多Number of views：1999 Amount of downloads：3794
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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：2835 Amount of downloads：3794
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ZHANG Chunli，LIU Hongwen，FANG Pengxing，CHAI Chenchao，ZHANG Wenqiong
Abstract：Incidents such as the burning of electromagnetic voltage transformers（PT），damage to primaryharmonic suppressors，and fuse tripping occur frequently in low and medium voltage distribution systems due toferroresonance，severely affecting the safe and stable operation of the system. Therefore，through theoretical...
更多Number of views：1292 Amount of downloads：3788
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YAN Hao，BA Sang，GU Yi
Abstract: Insulation failure can cause motor turn-to-turn，phase-to-ground and ground-to-ground faults，ranging from equipment downtime，or endangering personal safety，resulting in catastrophic consequences. In order to be able to carry out online sensitive monitoring of the deterioration state in the early stage of tu...
更多Number of views：4369 Amount of downloads：3785
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LIU Erhao，WANG Junqing，QIAO Lili
Abstract: Permanent magnet synchronous motor（PMSM）driving stable platform directly is often used inguided rockets to realize the decoupling control of stable platform. Due to the extended state observe（ESO）contained in the active disturbance rejection controller（ADRC），it can accurately estimate the speed of the rota...
更多Number of views：1740 Amount of downloads：3784
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LUO Lan，WANG Yuhong，SONG Ruihua，BI Jingtian，CHEN Shiyu，WAN Liangbin
Abstract: In the multi terminal flexible direct current（DC）transmission system，the flexible direct inner andouter loop control can not provide inertial support for the receiving end passive network. Traditional virtualsynchronous generator（TVSG）control can provide inertia support for passive network，but it can only ...
更多Number of views：3698 Amount of downloads：3783
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QU Chenming，GUO Kunli，BAI Yang，LI Hang，ZHU Tinghua，MA Peng
Abstract：Considering the influence of grid voltage background harmonics in weak current networks，reverseharmonic peaks appear in the grid-connected current under weighted average current control（WACC），making itimpossible for the system to achieve zero pole cancellation and thus affecting the stability of the grid-co...
更多Number of views：1439 Amount of downloads：3775
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SONG Zhuoran，LI Jianfeng，JIANG Tao，DENG Xinyang，LIU Yu
Abstract: There are parameter identification errors in the process of distribution network synchronousmeasurement configuration. The optimal configuration method of distribution network synchronous measurementdevice based on parameter identification accuracy was studied. Based on the measurement data of the synchron...
更多Number of views：3930 Amount of downloads：3771
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SHEN Zhangliang，CHEN Yini，LI Haomin，LIU Zihao，MA Hongzhong，GE Xuanhao
Abstract：A fault diagnosis model for isolation switches based on Markov transition field（MTF），catch fishoptimization algorithm（CFOA）improved pyramid vision transformer（PVT）was proposed to address theproblems of complex fault situations，strong noise in signal extraction，and insufficient feature extraction. Firstly，th...
更多Number of views：1311 Amount of downloads：3759
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HUANG Xu，LIU Yichao，ZHU Hanqing，LIU Yang
Abstract: The DC fault current calculation method of modular multilevel converter（MMC）is the key to studythe DC fault transient characteristics and isolate the fault point rapidly in VSC-HVDC grid. Firstly，aiming at twotypical MMC fault equivalent models，the topology and the capacitor voltage characteristics when th...
更多Number of views：3929 Amount of downloads：3750
