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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：1720 Amount of downloads：6024
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LIU Sheng
Abstract: Voltage and current balance plays an important role in ensuring the normal operation of DC microgrid.Therefore，a new distributed voltage and current control method was proposed to realize the current sharingand voltage sharing regulation of DC micro-grid. The considered DC micro-grid was composed of severa...
更多Number of views：5245 Amount of downloads：6024
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JIAO Yingxue，HUANG Xuejin
Abstract: The problem of secondary frequency recovery and active power distribution for AC microgrid（MG）with bounded time delay were studied. A distributed dynamic event triggering control method was proposedfor distributed generator sets. The method used dynamic event triggering mechanism，which could greatly reduce...
更多Number of views：2417 Amount of downloads：6021
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NIU Shengsuo，WU Zhenan，HUANG Shengpo
Abstract: The test of the internal cable conductivity of the traditional bullet train is time-consuming andlaborious，which increases the probability of false detection，seriously affects the accuracy and reliability of cabledetection results of bullet trains，and greatly reduces the safety and stability of bullet trai...
更多Number of views：4570 Amount of downloads：6020
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ZHANG Boyu，ZHANG Xiaoli，FENG Rui，ZHANG Zhaobo，CAI Siqi ，MA Xiaoxuan
Abstract：Based on the principle of magnetic coupling resonance technology，a bilateral LCC topologycompensation network parameter design method was adopted. Firstly，the mathematical model of the main circuitof the bilateral LCC topology was analyzed，and the inductance ratio of the coil self-inductance and the seriesc...
更多Number of views：1887 Amount of downloads：5997
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ZHANG Dewang，CHEN Zhigeng，ZHANG Zhichao，ZHOU Yu
Abstract: Traditional point prediction is difficult to analyze the randomness and uncertainty of wind powerinadequately. Aiming at the shortcomings of point prediction，an interval prediction model based on improvedwhale optimization algorithm and fast learning network（IWOA-FLN）was proposed. Firstly，the convergencesp...
更多Number of views：4006 Amount of downloads：5992
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SUN Tao，WANG Tao
Abstract: The semi-bridgeless dual Boost power factor correction（PFC）circuit can obtain higher conversionefficiency without increasing common mode noise，but the return current of the input AC terminal producesadditional losses on the introduced diodes，which reduces the conversion efficiency. The replacement of diode...
更多Number of views：1705 Amount of downloads：5989
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王德明，李英量，贾俊辉，解晨，王语园
Abstract: The conventional overcurrent protection is ineffective in isolating faults in microgrids due to the lowfault current level contributed by distributed generations（DGs）. Because of its high agility and adaptability，themeasured impedance-based protection schemes are considered as common alternatives to detect...
更多Number of views：3036 Amount of downloads：5988
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PAN Ling，FENG Qian，ZHANG Peng，SHEN Bing，ZHOU Jian，CHEN Ran，ZHAO Jinshuai
Abstract: Due to the high cable ratio of city grid，the harmonic pollution is aggravated. For the buses with high harmonic voltage content，it is necessary to evaluate the harmonic emission level of the utility side and customer side. Most of the existing evaluation methods are based on two assumptions：1）the harmonic ...
更多Number of views：5167 Amount of downloads：5979
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CHEN Jinyang，LEI Yong，CAO Xiaoyan，HE Xin，ZHU Xiaobo
Abstract: The operation of 5G communication base stations in remote areas requires a lot of power. The basestation power supply system composed of wind and solar new energy can well solve the problem of difficult accessto the power grid in remote areas. The selection of the component capacity of the new energy base ...
更多Number of views：3802 Amount of downloads：5978
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LIU Chunhui，ZHANG Zheng，FAN Hongzhen，MOU Huilong，HUANG Cunkuan，YUAN Fang
Abstract: Multi-energy complementary generation operation had become a new direction to improve theefficiency of new energy utilization，and it is particularly important to analyze the characteristics of multi-energycomplementary generation. According to the operation characteristics of multi-energy complementary gen...
更多Number of views：4832 Amount of downloads：5976
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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：1664 Amount of downloads：5970
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LIU Xinglong，XIE Yihan，YANG Ziyang，ZHANG Zhilong，YI Hao，ZHUO Fang
Abstract：Active power filters（APF）are widely used for dynamic compensation of power system harmonic.However，under weak grid conditions，the interaction between APF，nonlinear loads and grid impedance can easily lead to the stability issue of harmonic oscillation around the compensation frequency，resulting in the fault...
更多Number of views：2611 Amount of downloads：5969
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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：1716 Amount of downloads：5969
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ZHOU Xuesong，GUO Kairui，MAYoujie，ZHONG Weibao
Abstract: Although the parallel connection of inverters in a microgrid system increases the system capacity，itcreates a circulation path which provides the conditions for the generation of zero-sequence circulating current（ZSCC）. In order to solve the problem of system loss caused by ZSCC，a ZSCC controller was desig...
更多Number of views：3674 Amount of downloads：5965
