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YAN Wei，MENG Jianhong，WANG Haochong，WANG Wei
Abstract：In low-temperature environments，the electrochemical reaction kinetics of lithium-ion batteriesbecome hindered，leading to accelerated capacity decay and increased internal resistance，which severely impactstheir lifespan and safety. To achieve non-destructive estimation of internal aging，a battery internal ag...
更多Number of views：2113 Amount of downloads：10969
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JIANG Xuejiao，ZHANG Changqing，QIN Gang，ZHONG Lei，ZHOU Chaojun，CHEN Yupei
Abstract：In order to balance the output difference between renewable energy and load in the activedistribution network and reduce the budget cost and user purchase cost，an optimal dispatching method ofdistributed generation units in the active distribution network based on power demand side response was proposed.On ...
更多Number of views：2103 Amount of downloads：6481
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WANG Yanjie，LIN Chaobin，XU Guozhi，LI Qingyao，ZHANG Zhenye，HU Kun
Abstract：To adapt to the construction of a novel power system with new energy as the main body，it isnecessary to continuously improve the new energy consumption capacity of various voltage-level power grids.Through the research on the influencing factors and improvement methods of new energy consumption capacity ofd...
更多Number of views：2102 Amount of downloads：8970
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SUN Heyu，JI Baowei，WEI Yushan，FANG Weihan，WANG Yangyang
Abstract：In response to the problem of slow response speed of main steam pressure in the coordinated controlsystem of thermal power units，the control effect of the coordinated control system was improved by blowing outsome of the stored powder in the pulverizing system. Based on the traditional milling system model，...
更多Number of views：2101 Amount of downloads：6529
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GENG Likai，HOU Juan，ZHANG Chunxiang，HU Wenying，LI Wenhua，LI Cuijuan
Abstract：Thermal and magnetic protection circuit breakers provided short circuit protection by instantaneoustripping devices. In the magnetic field formed by the coil with current，the moving armature and stationary coreovercomed the spring force and engage under the influence of electromagnetic force，thereby pushing...
更多Number of views：2100 Amount of downloads：6606
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LÜ Jin，XU Li，SUI Dawei，GAO Qixin，XU Deshu
Abstract: With the rapid development of China's industrial economy，the demand for strip materials isincreasing，and the construction of strip production lines both domestically and internationally is growing year byyear. However，the complexity of large-scale rolling mill systems and the harsh working environment ...
更多Number of views：2094 Amount of downloads：7289
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YANG He，CHEN Zhaoyu，ZHANG Jinhua，XU Jing，WANG Jingpeng，ZHU Shichang
Abstract：In response to the issues of large volume，high cost，and complex control algorithms associated withvoltage regulation equipment in new energy distributed power distribution areas，a two-stage voltage regulationcircuit topology based on a DC-link capacitor-free structure was proposed. Based on this topology，a ...
更多Number of views：2089 Amount of downloads：12361
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LAI Jiayuan，YAO Ruotian，LIU Dishen，BAI Hao，XIA Zipeng，LIU Yipeng
Abstract：In order to further improve the power density and output performance of the transformerlessmedium-voltage power quality control device，a partial submodule multiplexing modular multilevel converter（PSM-MMC）topology and its control strategy were proposed. The PSM-MMC was composed of four groups ofarm submodul...
更多Number of views：2086 Amount of downloads：13221
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HAN Junkang，HAO Sipeng，LI Shuheng
Abstract：The high proportion of new energy grid connection increases the frequency fluctuation of the powergrid，and grid-forming energy storage is regarded as a key resource to improve frequency stability due to its fastresponse and inertia support capability. To address the underestimation of fast-response resource...
更多Number of views：2077 Amount of downloads：10444
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QIN Gang，ZHANG Changqing，JIANG Xuejiao，ZHONG Lei，ZHOU Chaojun，WU Min
Abstract：During the operation of high-voltage DC power grid，due to factors such as load characteristics andvoltage fluctuations，the instantaneous power characteristics such as capacitor current and harmonics are morecomplex，which increases the difficulty of identifying faults in the power grid system. Therefore，a bi...
更多Number of views：2076 Amount of downloads：6290
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ZHOU Qun，XIA Haogang，CAI Xiyu，LIN Dong，YAN Tiesheng
Abstract：The amplitudes of strong pull-in current and hold-on current passing through the high speedsolenoid valve were regulated accurately by using hysteresis control to realize pulse width modulation of thevoltage of fast solenoid valve，the duty cycle of the current pulse passing through the high speed solenoid v...
更多Number of views：2076 Amount of downloads：8944
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XU Bin，CUI Wenqing，CAO Huanxi，CHEN Peiyu，LI Qian，JIN Yu
Abstract：Driven by the dual-carbon goals，to effectively reduce the carbon emissions of flexible DCinterconnected microgrids cluster and enhance the flexibility of system control，a low-carbon control strategy wasproposed. Firstly，a topology of flexible DC interconnected microgrids cluster was proposed，and the carbone...
更多Number of views：2071 Amount of downloads：9244
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DI Ya，ZHANG Jinhua，QIAN Yang
Abstract：In DC power grid，when serious metallic short circuit fault occurs in the DC side line of voltagesource converter（VSC），the fault current has the characteristics of a fast rising speed and a large peak. The DCcircuit breaker is used to isolate the fault，which greatly increases the requirements for the quick a...
更多Number of views：2067 Amount of downloads：7170
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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：2064 Amount of downloads：7085
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ZHENG Junfeng，HUANG Jiyuan，CHEN Yuanyang，HU Xiangwei
Abstract: Aiming at the frequent voltage sag problem in power quality problems，a multifunctional voltage sagtreatment equipment was developed for user-side voltage sag treatment. Based on the modeling analysis of thesystem，the control algorithm of the system under grid-connected and off-grid compensation states and ...
更多Number of views：2060 Amount of downloads：8550
