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ZHANG Xudong，WANG Yangyang，LI Xiaolong，LÜ Jin
Abstract：Aiming at the problem that the ripple content of current and voltage in cycloconverter speed controlsystem is large and the ripple period is time-varying，the real-time sampling value is not suited for feeding back tothe speed control system directly，a variable period mean sampling algorithm was proposed. Fi...
更多Number of views：762 Amount of downloads：582
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ZHOU Liang
Abstract：Under the change of island operation conditions，the microgrid will cause that the digital twin（DT）model cannot accurately match the source domain model when migrating，which will lead to low migrationefficiency and other problems. For this reason，an adaptive migration method of digital twins model under thes...
更多Number of views：755 Amount of downloads：639
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JIANG Wenhui，LIN Dong，YU Li，CHEN Bo，CHEN Yumin
Abstract: The voltage stability of power grid was briefly introduced，and the measurement method of voltagestability of phasor measurement unit（PMU）based on state estimation was proposed. This method mainly aims atthe voltage change caused by the load rate change. The voltage stability under different load conditions...
更多Number of views：754 Amount of downloads：720
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LI Lingqi，CHENG Zhijiang，GUO Shaokang，XIAO Shihao ，CHEN Xingzhi
Abstract: Aiming at the problem of wind abandonment caused by the contradiction between wind and heatduring the winter heating in the Three-north areas of China，a scheduling strategy for electric heating combinedsystem considering wind power consumption was proposed. Firstly，the "power determined by heat" constraint...
更多Number of views：750 Amount of downloads：723
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DONG Yue，HE Yingfei，DU Lulu，TANG Mingjie，JIN Guangchao，ZHAO Jing
Abstract：Modular multi-level matrix converter（M3C）is a kind of new topology which can convert onespecified electric frequency to another directly，it is applicable to high voltage and large capacity scene. In thefractional transmission system，the complete flow was introduced to achieve power frequency grid fault ride...
更多Number of views：749 Amount of downloads：668
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HE Kuiyuan，YU Jiangtao，ZHU Qi，CAI Hui，GUO Qian，WEI Dong
Abstract：Aiming at the adverse effects of large-scale electric vehicle charging load on the distributionnetwork，based on vehicle to grid（V2G）technology，a V2G reactive dispatching strategy combining the nondominated sorting genetic algorithm and the local optimization of global objectives algorithm was proposed. The ...
更多Number of views：745 Amount of downloads：1315
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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：740 Amount of downloads：788
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ZHANG Rui，XIAYan，HUANG Guiping，CHEN Renzhao，YANG Yili
Abstract：Aiming at the poor robustness and system vibration problem of asynchronous motors under thetraditional sliding mode control，a variability coefficient power exponent reaching law（VCPERL）was proposed todynamically change the control coefficients according to the position of the sliding mode surface，and the sl...
更多Number of views：735 Amount of downloads：620
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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：728 Amount of downloads：663
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WU Tong，LI Jian，LI Guodong，LIU Lu，ZHU Liguo，FENG Minshan
Abstract: There are many elderly people with limb disorder in China，and exercise rehabilitation technology isan effective means of rehabilitation treatment. However，the serious imbalance of doctor-patient ratio makes itdifficult for everyone to enjoy rehabilitation medical services. Impedance control technology is u...
更多Number of views：723 Amount of downloads：868
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YUAN Yisheng，HUANG Yikun，CAO Hui，HUANG Zhimin
Abstract：A bidirectional isolated resonant converter with variable mode and wide voltage range wasproposed. The proposed converter has the advantages of BOOST circuit and flyback current feed topology. Byreusing the pre-storage and flyback energy feedback of the resonant inductor，it can improve the gain from thebatt...
更多Number of views：722 Amount of downloads：798
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CHEN Ling
Abstract: With the large increase of load users，the load side adjustable resources gradually increase，and theload side demand response（DR）resources are used to participate in microgrid scheduling to improve the level ofnew energy consumption. In order to give full play to the scheduling potential of DR resources and...
更多Number of views：720 Amount of downloads：781
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GUO Shaokang，CHENG Zhijiang，XIAO Shihao，LI Lingqi，CHEN Xingzhi
Abstract：Aiming at the challenge of demand response uncertainty to the safe and economical operation ofintegrated energy system，a cooperative optimal scheduling model of multi-region integrated energy systemconsidering thermal pipe network transmission and demand response was proposed. Firstly，the energy transmissio...
更多Number of views：717 Amount of downloads：452
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GUO Jiahao，YANG Xiong，FANG Xin，LI Guanfei
Abstract: With the rapid development of primary and secondary fusion equipment，the detection efficiency ofthe traditional primary and secondary equipment testing method is very low，and it is no longer suitable for the new fusion switch equipment testing. In view of this，an integrated testing scheme for primary and s...
更多Number of views：716 Amount of downloads：859
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LIANG Zhen，WANG Yong，BAI Haibin，ZHANG Zhiyu，SUN Qianhao，CUI Bin
Abstract: Based on full-bridge（FB）and half-bridge（HB）sub-modules（SMs），the conventional hybridmodular multievel converter（MMC）is a typical topology of MMC with DC fault clearing ability. However，theproportion of FB SMs in conventional hybrid MMC is usually greater than 50%，so as to increase the cost andlosses. To sol...
更多Number of views：715 Amount of downloads：728
