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GONG Weizheng，YAO Yin，CHEN Mengying，LI Dongdong，ZHANG Xianming，ZHU Yedong
Abstract：The rapid increase in the proportion of renewable energy in the East China Power Grid System andthe continuous decline in the rotational inertia and frequency modulation resources in the system will pose a threatto the system's frequency immunity and stability. The existing research focuses on the devel...
更多Number of views：1511 Amount of downloads：4272
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SONG Pengfei，WANG Maxiang，YANG Guixing，LI Jichen，KANG Pengpeng，WEN Shenghan
Abstract：To enhance the economic and operational flexibility of accompanying energy storage facilities innew energy power stations，as well as to improve the stability of supplying electricity directly to large users and thegrid-friendliness of large-scale new energy power stations，a two-stage robust configuration an...
更多Number of views：1511 Amount of downloads：5102
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ZHOU Wei，JI Yuan，JIA Ting，GU Xihua，QIN Yi，BI Sibo
Abstract：In order to ensure the security of embedded-based distributed photovoltaic system data，a lightweight encryption algorithm was proposed on the basis of 128-bit advanced encryption standard（AES）for the problem of limited embedded computing resources. Firstly，the AES round function was optimized to reduce the n...
更多Number of views：1506 Amount of downloads：2798
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LIU Qiwei，ZENG Jiang
Abstract：In view of the need to test the operation of power electronic equipment under various workingconditions in the current new power system，a control strategy using linear auto-disturbance rejection technologywas proposed to study the power grid simulator with line impedance simulation function. On this basis，i...
更多Number of views：1506 Amount of downloads：4974
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XU Zhance，XU Wei
Abstract：Aiming at the problem that the photovoltaic grid-connected inverter system operates under multipledisturbances，an linear active disturbance rejection control（LADRC）grid-connected strategy combined withphotovoltaic system was proposed. Firstly，the dynamic process of PV grid-connected system was analyzed andm...
更多Number of views：1496 Amount of downloads：4400
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CHEN Zheng，WU Yangjin，HUANG Dingjie，WANG Chaojun，FU Xinhui
Abstract：Under the background of limited resources and time，equipment maintenance is considered as aneffective way to maintain the stable operation of the system. In order to allocate maintenance resources efficiently，the most critical equipment in the system should be identified first namely those that will cause s...
更多Number of views：1495 Amount of downloads：3750
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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：1493 Amount of downloads：4595
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MIAO Haidong，ZHANG Qing，YAN Yong，ZHANG Lina，HUO Tingting，HAN Linjie
Abstract：In order to eliminate the problem of low inertia and large frequency fluctuation in wind power gridconnected system when power disturbance occurs，an improved virtual inertia control strategy was proposed. Acooperative control strategy of adaptive moment of inertia and damping coefficient was introduced in t...
更多Number of views：1489 Amount of downloads：4068
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ZHAO Chencong，XIE Zhouhua，ZHOU Feihang
Abstract：Unbalanced grid voltage will affect the normal grid connection operation of the wind energyconversion system（WECS），resulting in fluctuations in system output power and distortion of output current. Inaddition，in the actual permanent magnet synchronous wind power system，there may be uncertainties in thenetwo...
更多Number of views：1487 Amount of downloads：4944
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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：1486 Amount of downloads：7985
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ZHANG Jie，CHEN Qiang，LUO Yuanfeng，QIN Jiming，WEI Juren，WU Beixing
Abstract：Power cable is an important carrier of power transmission. To solve the problems of low accuracyand large computation in voicing diagnosis with traditional convolutional neural network model，a novel cable faultdiagnosis method based on multiple voicing features and lightweight convolutional neural network w...
更多Number of views：1486 Amount of downloads：8039
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LIU Xin，WEI Lixin，ZHANG Feng
Abstract：In addressing the issue of the electrical drive system of oil drilling rigs encountering instability inactuator output due to interference from multi-source random noise，a novel approach was proposed. The Fractaltheory was utilized to isolate random noise in the drilling rig electrical control system. The p...
更多Number of views：1483 Amount of downloads：7236
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ZHANG Xuyang，ZHANG Maosong，WANG Xiuqin，CHEN Zhong，WANG Qunjing
Abstract：In view of the problem that the transfer branch of the current high-voltage DC circuit breaker mostlyadopts uncontrollable full-bridge transformer coupling energy supply，which is not conducive to controllable andstable power supply，and low energy utilization，a combined DC circuit breaker energy supply metho...
更多Number of views：1483 Amount of downloads：4637
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XU Can，MIAO Shuwei
Abstract：Wind turbine condition monitoring and wind power prediction both rely heavily on power curves.Firstly，to increase the modeling accuracy of wind turbine power curves，the random forest technique was used toscreen the important variables that influence wind energy capture ability. Then，the screened variables w...
更多Number of views：1481 Amount of downloads：4439
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ZHU Yuanzhe，WANG Ling，WU Zhengrong，LÜ Hong，XIAO Fan
Abstract：In order to further improve the output performance and efficiency of the converter，a grid-connectedconverter based on heterogeneous device mixing was proposed，referred to as heterogeneous grid-connectedconverter（HGCC）. The HGCC consists of two half-bridge modules based on SiC MOSFET devices，which arecross-c...
更多Number of views：1480 Amount of downloads：4969
