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QIAN Junjie，LI Haoquan，LI Guanghua，XU Dongli，LÜ Ganyun
Abstract：Aiming at the problem of power quality deterioration caused by a large number of high-permeabilitydistributed generation connected to the distribution network，a power quality assessment method based oncombination weights and vlsekriterijumska optimizacija i kompromisno resenje（VIKOR）method was proposed.Firs...
更多Number of views：2344 Amount of downloads：4868
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LI Ning，LIU Ming，ZHANG Changjie，ZHANG Chenglin
Abstract：At present，the traditional passive filter in on-board charger（OBC） has poor low-frequencyperformance，an active feedback loop was added to the traditional on-board charger passive filter，a design method of on-board charger electromagnetic interference（EMI）hybrid filter based on current sensing and current in...
更多Number of views：2142 Amount of downloads：4862
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SUN Zhenqin，QU Jianhua，ZHANG Zhenzhen，QUAN Xiao，LI Hongbin，TAN Peng
Abstract: In order to improve the measurement accuracy of the position and speed closed-loop of the brushlessDC motor，which is currently used in the attitude control actuator，a new cumulative pulse M/T method wasproposed，based on incremental off-axis magnetic encoder（AS5304A）and TMS570 chip internal integratedenhance...
更多Number of views：1983 Amount of downloads：4834
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DENG Jiahao，LIN Lingxue，ZHU Lin，WU Zilong
Abstract：Up to now，the distribution network planning project optimization method rarely considered theimpact of the speed of load growth on the power supply efficiency of the project and the year when the project isselected，and rarely considered the urgency，technical benefit and economic benefit of the project at th...
更多Number of views：2022 Amount of downloads：4824
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YU Hui，ZHOU Shigui ，MA Feihong，ZHANG Kecheng
Abstract：Permanent magnet synchronous machines（PMSM）has serious chattering problem when traditionalsliding mode observer（SMO）is applied to low-speed operation with fixed sliding mode gain. To solve thisproblem，a full-order sliding mode observer（FSMO）with fuzzy adaptive adjustment of sliding mode gain wasproposed，whi...
更多Number of views：2571 Amount of downloads：4820
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LÜ Zhengyu
Abstract：The power transmission and transformation system is an important link of power transmission. Inorder to reduce the cost of operation and maintenance and improve the recognition effect，an application method of automatic identification and control of transmission and transformation vulnerable lines was propos...
更多Number of views：2021 Amount of downloads：4815
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FANG Yong，SONG Tao，GUO Ziqiang，WANG Jian，GUO Jie
Abstract：With the continuous development of renewable energy sources and the increasing share ofrenewable energy in the grid，optimal coordination of maintenance work becomes increasingly important in order to ensure the safety of power supply in power systems considering renewable energy access. Current tools formai...
更多Number of views：1638 Amount of downloads：4810
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CHEN Chen，DONG Pingxian，SONG Xiaofan，GUO Fang，QI Huanruo，DU Xiaotong
Abstract：After the distributed wind farm stations are integrated into the distribution network，due to thecharacteristics of wind farm short-circuit current amplitude control and frequency offset，the traditional three-stagecurrent protection of distribution network is difficult to accurately identify the fault on the...
更多Number of views：1688 Amount of downloads：4789
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GAO Jixin，ZHU Jianzhong，HAH Xiao，ZHOU Yancheng，XU Jing
Abstract：In islanded DC microgrids，line impedance and load fluctuations lead to uneven power distributionand voltage deviation，threatening system stability and affecting energy storage lifetime. Existing droop controlstrategies need to preset a fixed initial droop coefficient，which makes it difficult to balance the ...
更多Number of views：1094 Amount of downloads：4767
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WANG Chengliang，PAN Zhixin，ZHAI Xuefeng，XIAO Yuhua，LIU Yu
Abstract: The mathematical model of magnetic coupled resonant wireless power transfer（MCR-WPT）system based on LCC-S compensation topology was established. Meanwhile，the influence on the transmissionperformance of the system was analyzed from three aspects：operating frequency，compensating inductance andload impedance...
更多Number of views：2837 Amount of downloads：4761
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CAI Weiliang，CHENG Haifeng，PAN Zhixuan，CHENG Jin，DAI Mingli
Abstract: The grid connection of doubly-fed induction generator（DFIG）leads to the reduction of systemequivalent inertia and primary frequency regulation capacity. With the increase of DFIG grid connection scale，theproblem of system frequency regulation becomes more and more serious. In view of this problem，frequency...
更多Number of views：1976 Amount of downloads：4758
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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：1669 Amount of downloads：4713
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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：1512 Amount of downloads：4703
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YANG Yanfang，LIANG Zhonghao，ZHANG Meiling，LIU Jiayi
Abstract: Aiming at the problem of low accuracy and comprehensiveness of current identification methods，amethod of reverse power anomaly identification in digital electric energy meter information sampling was proposed.Through the data acquisition system，the digital electric energy meter information sampling work was...
更多Number of views：2227 Amount of downloads：4698
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ZOU Jia，ZHANG Jianqiao，JI Chengchun
Abstract: Aiming at the problem that the accuracy of the speed estimation of the traditional model referenceadaptive system（MRAS）method without speed sensor decreases after the speed load mutation in the low speedrange，a speed identification method based on the combination of back propagation（BP）double-layer artific...
更多Number of views：1732 Amount of downloads：4696
