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QIU Guihua，TANG Zhirui，CHEN Yuting
Abstract：Aiming at the challenges of data heterogeneity and multi-source in distribution networks，a selfsupervised multi-source measurement data fusion method based on coding-decoding attention mechanism wasproposed. This method automatically captured the correlation between data through self-supervised learning，and...
更多Number of views：2608 Amount of downloads：9896
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YANG Yanfang，LIANG Zhonghao，ZHANG Meiling，LIU Jiayi
Abstract: Aiming at the problem of low accuracy and comprehensiveness of current identification methods，amethod of reverse power anomaly identification in digital electric energy meter information sampling was proposed.Through the data acquisition system，the digital electric energy meter information sampling work was...
更多Number of views：2607 Amount of downloads：6571
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CHE Zihang，WU Jiahui，WANG Weiqing，ZHANG Hua，YANG Jian，PEI Yufeng，ZHANG Jingang
Abstract：To further improve the economy of integrated energy system（IES）capacity allocation，an IESoptimization configuration model based on supply-demand collaborative response was proposed，aiming todetermine the optimal comprehensive capacity of various equipment in the system. First of all，based on thecharacterist...
更多Number of views：2604 Amount of downloads：12606
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TANG Junyi，DING Biwei，YANG Qi
Abstract: The integration of high proportion of wind power intensifies the uncertainty of power systemoperation. The sufficient flexibility is vital for the safe and reliable operation of the power system. An evaluationmethod of power system flexibility considering wind power prediction interval was proposed. First，...
更多Number of views：2604 Amount of downloads：9121
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ZHOU Zhifeng，ZHU Wen，XIAWei，FANG Wenchong，HE Chaolin
Abstract: Under the background of energy internet，due to the access of massive sensor nodes，the amount and types of data in energy internet have increased dramatically，and centralized data processing has a great impact on the updating of substation drawing model. Therefore，a control measure of automatic updating of ...
更多Number of views：2603 Amount of downloads：7012
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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：2603 Amount of downloads：7738
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GUAN Wei，DONG Lei
Abstract：Among the junction temperature monitoring methods of insulated gate bipolar transistor（IGBT），the temperature-sensitive parameter method has attracted wide attention because of its fast response speed，low cost and easy on-line detection. Previous studies have shown that the gate threshold voltage（VTH）among t...
更多Number of views：2594 Amount of downloads：7505
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FANG Lei，XU Jun，ZHAO Yi，XING Xiaofan，MAO Huan
Abstract：The traditional technical line loss prediction method of low voltage station area has some problems，such as relatively extensive calculation，requiring underlying physical topology，and relying on influencecharacteristic data. In recent years，a technical line loss and meter error joint estimation technical ro...
更多Number of views：2586 Amount of downloads：9492
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CHEN Xuling，LIU Cheng，XU Xinwei，DONG Shuo，TIAN Ting
Abstract：Taking the planar rotation mechanism as an example，a magnetic coupling wireless powertransmission system was designed and studied from two perspectives：the spatial structure of the coils and theresonant compensation circuit. This system aimed to reduce the voltage fluctuations caused by significant changesi...
更多Number of views：2583 Amount of downloads：8148
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KANG Jiale，ZHOU Xuntian，ZHANG Zhigang，CEN Yinwei
Abstract: In order to improve the utilization rate of clean energy and promote the stable and low-carbonoperation of the microgrid，a low-carbon optimal dispatching model based on load side flexible resources wasestablished. According to the flexibility resource analysis，the flexibility resource modeling of load side...
更多Number of views：2579 Amount of downloads：8171
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SHANG Liqun，WANG Shuo
Abstract：As the proportion of installed photovoltaic（PV）capacity increases year by year，accurate predictionof PV output and the realization of group control and management of PV clusters become crucial. A multi-site PVoutput prediction method that integrates deep fusion of graph convolutional neural network（GCN），lon...
更多Number of views：2577 Amount of downloads：11062
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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：2576 Amount of downloads：8126
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WANG Jianglei，FAN Xiaochao，SHI Ruijing，WANG Weiqing，LI Wenliang，XIONG Ruifeng
Abstract: The "double carbon" goal promotes the development of China's energy sector in the direction ofgreen，low-carbon，safe and efficient. In order to improve the penetration of renewable energy such as scenery，stabilize the diversified load fluctuation on the user side，improve energy utilization efficiency an...
更多Number of views：2568 Amount of downloads：8753
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ZHAO Yifu，ZHANG Guangbin
Abstract：In response to the existing problems of traditional diode based clamp type wind turbine inverters，ahybrid clamp type structure was introduced. Based on the analysis of its working principle，a method for switchingthe switch state and a vector optimization selection method that can avoid modulation waveform b...
更多Number of views：2567 Amount of downloads：9363
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LI Haifeng，CHEN Bin，CHEN Jin，HU Xiwen，LIU Youbin
Abstract：Line commutated capacitor high-voltage direct current（ LCC-HVDC）is an important technicalform of high-voltage direct current transmission. Since the converter valve was composed of semi-controlled devicethyristors，the commutation failure of the inverter-side converter station has become a key issue affectin...
更多Number of views：2565 Amount of downloads：15733
