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CHEN Xiaoru，HUANG Longyi，LAI Shengjie，YANG Mingjia，WANG Zeqing，XIA Chengjun
Abstract：The circulating current of metal sheath in high voltage cable is the superposition of induced currentcomponent and leakage current component. At present，the calculation of induced current component is relativelymature，but the calculation of leakage current component is insufficient，which affects the final c...
更多Number of views：695 Amount of downloads：570
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ZHANG Di，HUANG Lu，CUI Jing，SONG Zhiwei
Abstract: The AC voltage sensors are used to measure the grid voltage，which brings high hardware cost，difficult installation and low reliability. In order to realize that grid voltage sensors are not necessary，virtual fluxwas introducted to model prediction power control algorithm for cascaded H-bridge rectifier. Th...
更多Number of views：694 Amount of downloads：518
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TIAN Bin，SUN Quanhui
Abstract: AC/DC switching power supply is the main source of electrical system，its development trend islarge capacity，high power density，high efficiency，low power factor and low harmonic content. However，there are still some common problems with existing digital power supplies，including poor anti-interference abilit...
更多Number of views：689 Amount of downloads：725
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JIA Junqing，ZHANG Yifan，PAN Dazhi，LIANG Shuai，YANG Yang
Abstract: Under the background of the increasingly prominent voltage sag problem in modern power grids，itis of great engineering significance to accurately identify the users' profile of demand of voltage sag control forguiding users' precise investment decisions for voltage sag control and helping power gri...
更多Number of views：687 Amount of downloads：619
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ZHANG Jun，GONG Min，ZHOU Yi，XIE June，CAO Lei，LIU Yingying
Abstract：In traditional current protection，the effective value of current is compared with the setting value toidentify the fault which is the typical protection scheme for the transmission lines of the power distribution systems.The current is calculated by the fast Fourier transform algorithm. As the calculation o...
更多Number of views：681 Amount of downloads：419
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PAN Lingling，ZHUANG Weijin，ZHAO Qi，TIAN Jiang
Abstract: In the background of the new power system，the importance of demand-side dispatchable resourcesof the grid for system stability is increasing. As an important dispatchable load resource，an accurate assessment ofelectric vehicle（EV）dispatchable potential can effectively improve the safety and stability of th...
更多Number of views：676 Amount of downloads：732
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LOU Bin，HAI Ying
Abstract：Harmonic loss is one of the main causes of safety accidents in excitation transformers. If the lossvalue is too large，it can easily affect normal substation and transmission. Therefore，a method based on waveletpacket decomposition and reconstruction was proposed to calculate the additional loss of rectifica...
更多Number of views：675 Amount of downloads：495
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HUANG Feng，CUI Zhimei，HUANG Zhidu，JIANG Shengchao，FENG Bo
Abstract: In order to evaluate the safety status of transmission lines scientifically and objectively，a safetyanalysis model of transmission lines based on support vector machine-back propagation（SVM-BP）hybrid networkwas proposed. Firstly，the weather data，transmission line standard documents and defect data were pro...
更多Number of views：673 Amount of downloads：547
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CAO Min，YU Wenjin，BAI Zeyang，YI Xin，JU Jian
Abstract：In order to ensure the minimum carbon emission and optimal power distribution of the hybridenergy storage microgrid under the constraint of carbon footprint，a distributed coordinated control algorithm of the hybrid energy storage microgrid under the constraint of carbon footprint was proposed. Based on the ...
更多Number of views：671 Amount of downloads：460
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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：669 Amount of downloads：599
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WU Qing，AN Shaoliang，XU Yixuan，DONG Songsong
Abstract: A quasi-resonant Flyback（QR-Flyback）converter with 65 W output was designed. The valleyswitching principle and the switching loss reduction mechanism of QR-Flyback were analyzed，the frequency andloss characteristics of the system under different working conditions were compared，and the advantages anddisadv...
更多Number of views：669 Amount of downloads：580
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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：663 Amount of downloads：516
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CUI Qian，ZHOU Jiemin，DING Zhengdao，QIN Jina，GAO Yiqing，JIANG Pengchuan
Abstract：In order to solve the problem of overvoltage and overcurrent in the process of load sudden changefor ion thruster screen grid power supply，the phase shift pulse frequency modulation（PS-PFM）was used tostabilize the output voltage of the LLC resonant converter. When the sampling voltage is lower than the lowe...
更多Number of views：663 Amount of downloads：1575
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LAI Guoqing，LAI Qun，LI Ming，FENG Chaokun
Abstract: In the application of renewable energy power generation，multi-input-port power conversion systemis a high cost-effectiveness option. A multi-input-port DC-AC conversion system based on single-stage nonisolatedbuck-boost power conversion cell was propsed . Each type of DC source flows into the full-bridge c...
更多Number of views：662 Amount of downloads：644
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SU Le，CHENG Jing，WANG Weiqing
Abstract: In recent years，the broadband oscillation of power system caused by new energy grid-connectedoccurs frequently. As an important part of new energy，photovoltaic power station can't be ignored. In order toexplore the broadband oscillation of photovoltaic grid-connected，a detailed linear mathematical mode...
更多Number of views：660 Amount of downloads：829
