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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：2342 Amount of downloads：14271
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SU Qili，LIU Jiayi，RUAN Peng，ZHANG Liuli，ZHAO Yayi，XIAO Qian
Abstract：With the large-scale access of a high proportion of new energy，the frequency and voltage stabilityof the distribution network has significantly decreased. Therefore，an optimal configuration method for energystorage in the distribution network considering the improvement of frequency-voltage stability was pr...
更多Number of views：2661 Amount of downloads：14255
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ZHAI Bingxu，ZHAO Yansong，GUO Yuchen，LI Yuanzhuo，JIANG Zhilin，XIAO Qian
Abstract：Under the carbon peaking and carbon neutrality goals，the high integration of new energy sourceslike photovoltaics（PV）into the power system makes it difficult for traditional dispatching schemes to effectivelyhandle their randomness and volatility in output. PV curtailment occurs frequently and local counter...
更多Number of views：2472 Amount of downloads：14228
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MENG Zhaohe，LU Beibei，YU Zhiqiang，DUAN Yichao，GE Tingting
Abstract：For the application of high-power IGBT，its driving circuit is the core part of the entire powermodule. The reliability of the driving circuit to a certain extent determines the reliability of the entire powerelectronic device，and designing highly reliable driving circuits has practical significance. The int...
更多Number of views：2786 Amount of downloads：14188
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LEI Qiang，WU Pengrong，LI Zhenwen
Abstract：In response to the intermittency and uncertainty of wind power generation，which result in low windpower utilization and high electricity purchase costs in microgrids，an intelligent dispatch strategy based on aresidual-like soft actor-critic（R-SAC）algorithm was proposed. The scheduling problem was formulated...
更多Number of views：2788 Amount of downloads：14180
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CHENG Jin，PAN Zhixuan，CHENG Haifeng，DAI Mingli，HUANG Minli
Abstract: With the continuous improvement of the penetration rate of wind turbines，in order to suppress thevoltage/frequency fluctuations of the doubly-fed induction generators（DFIGs）after grid-connected due to their own active power output fluctuations，aDFIGinertia support and primary frequencymodulation control ba...
更多Number of views：5355 Amount of downloads：14148
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ZHANG Ao，DAI Linwang，MA Zhengyang，LI Shaolin，ZHANG Xueguang
Abstract: Doubly-fed wind turbine is easy to produce sub-synchronous oscillation in series compensation grid.Using virtual synchronous control structure to improve inertia and damping for grid may also lead to subsynchronous oscillation risk. In view of the causes of sub-synchronous oscillation，firstly，the double-fe...
更多Number of views：5082 Amount of downloads：14112
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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：2495 Amount of downloads：14101
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WEI Jian，CHEN Jingxin，ZHANG Xinyue，QIU Guangjuan，ZHANG Jiawei
Abstract：High-precision power converters are core components of ultra-precision motor motion controlsystems.Their output current harmonic distortion can cause unnecessary positioning fluctuations in ultra-precisionmotors，severely impacting the precision control system.Total harmonic distortion is an important index ...
更多Number of views：3811 Amount of downloads：14070
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ZHANG Guoqiang，LI Rundong，HUANG Yuanming，DING Dawei，WANG Gaolin，XU Dianguo
Abstract: Supply interruption may occur during the operation of permanent magnet synchronous motor（PMSM）in some special applications and it needs to be restarted in the rotating state which is called flying start，the accurate initial position/speed observation is the foundation of flying start. Aiming at the problem...
更多Number of views：4088 Amount of downloads：14036
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WANG Yingjie，ZHOU Hailan，CHEN Yongfa，BAI Feiying
Abstract：When the switching frequency of the four-quadrant rectifiers in different multiple units deviates，thecurrent will experience low-frequency oscillation，which is not conducive to the operation of the traction powergrid. Therefore，a matrix small-signal modeling method for SPWM comparators was proposed to analy...
更多Number of views：2883 Amount of downloads：13992
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HUO Huijuan，LI Peidong，XIN Cheng，LI Weiwei，LU Yanchao，CHEN Tianqiong
Abstract：Under the context of the new power system，the high share of renewable energy brings significantchallenges to the security，stability，and economic operation of the system and the grid. An uncertain optimizationscheduling model for hydrogen storage/electricity-gas integrated energy systems supported by large p...
更多Number of views：3865 Amount of downloads：13956
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SHU Jun，YE Fan，YAO Fenglin
Abstract：The power cable plays a very important role in today's social development and urban operation.With the increase of people's electricity consumption，the amount of cable laying is also increasing synchronously.In order to prevent the cable from being damaged，the environmental vibration signals around ...
更多Number of views：3112 Amount of downloads：13945
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SUN Kaiwen，GONG Shihua，CAI Junqiong
Abstract: Gantry is an important part of proton radiotherapy equipment. Its main features are its large mass，large size and large moment of inertia. It is necessary to ensure the smooth acceleration and deceleration and precise positioning of the gantry. In response to the positioning control requirements of the gan...
更多Number of views：4217 Amount of downloads：13887
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WANG Xiaoyang，ZHAO Jinbin，ZHU Yuxin
Abstract: With more and more renewable energy devices and loads connected to the traditional power grid bypower electronic equipment，the negative resistance characteristics of power electronic equipment lead to the weakinertia characteristics of high power electronic power systems. Therefore，the stability of the mul...
更多Number of views：6253 Amount of downloads：13863
