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QU Chenming,GUO Kunli,BAI Yang,LI Hang,ZHU Tinghua,MA Peng
Abstract:Considering the influence of grid voltage background harmonics in weak current networks,reverseharmonic peaks appear in the grid-connected current under weighted average current control(WACC),making itimpossible for the system to achieve zero pole cancellation and thus affecting the stability of the grid-co...
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Number of views:2688 Amount of downloads:10667
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REN Wei,ZHAI Bohao,PENG Weisong
Abstract: With the improvement of computer operation level,data-driven technology is widely used inmetallurgical industry. Accurate prediction of rolling force is helpful to shorten the length of strip head and tail andimprove the yield of strip. In order to solve the problem of low prediction accuracy of data-drive...
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Number of views:5434 Amount of downloads:10656
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DENG Dawei,LIU Peilin,ZHUWen,HE Chaolin,XIAWei
Abstract: In order to improve the substation dispatching and the adaptive control ability,an optimizationmethod for consistency test of substation dispatching center single line diagram modulus diagram based on theanalysis of equivalent inertia characteristics was proposed. The power control parameters of the substa...
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Number of views:6068 Amount of downloads:10653
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WU Ming,LÜ Zhipeng,WANG Xin,YANG Wanli,ZHOU Shan,LIU Xiaojuan
Abstract: Multi-energy complementary DC micro-grid is of great significance to achieve sustainable energydevelopment. Based on the typical DC micro-grid with various energy forms including wind,solar,gas and battery,a multi-energy DC micro-grid operation control strategy considering the complementary inertia of gas ...
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Number of views:5021 Amount of downloads:10627
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HUANG Heyao,WANG Luyang,WU Jiaming,BAI Yang,DING Quan,BAI Hongshan
Abstract: Virtual synchronous generator technology can provide virtual inertia for the frequency stability ofmicrogrid,but there are a lot of asymmetric loads in the operation of microgrid. In order to compensate theunbalanced load and output three-phase symmetrical voltage and current,an improved control strategy b...
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Number of views:5210 Amount of downloads:10619
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YAO Ying,GU Bing,FANG Zhengnan
Abstract:With the wide application of solar photovoltaic panels,the detection of hidden dangers and faults ofphotovoltaic panels has become more and more important. In order to improve the inspection efficiency ofphotovoltaic panels and the accuracy of defect detection,a target detection algorithm based on attention...
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Number of views:2679 Amount of downloads:10618
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YE Jianmin,WANG Ruoyu,LUO Hongmei,XIE Yan
Abstract: The receiving end hybrid line commutated concerter based voltage source converter(LCC-VSC)notonly has the advantages of LCC and VSC,but also adopts the structure of high-voltage valve group LCC and lowvoltage valve group three-end parallel VSC in series at the receiving end. Therefore,the receiving end hyb...
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Number of views:4048 Amount of downloads:10616
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ZHAO Ruochen,MEI Baishan,ZHANG Jinwei,FU Wenbo
Abstract: Active power filter(APF)has become an important measure for harmonic control because it cantrack and compensate reactive power and suppress harmonics adaptively,dynamicly,and in real time. APF wastaken as the research object,and on the premise of verifying the differential flatness of the system,a differen...
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Number of views:4706 Amount of downloads:10616
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WU Weikun,GONG Shiying,ZHENG Yaohua,SHAN Chao,DONG Chuanyou
Abstract: In order to intelligently identify crosslinked polyethylene(XLPE)cable faults in high noiseenvironment,a method of XLPE cable fault identification based on deep residual shrinkage network was proposed.In this method,the soft threshold was embedded into the deep structure of the network as a nonlineartransf...
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Number of views:4457 Amount of downloads:10604
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CHEN Huabin,LIU Wei,XIANG Dening,CHEN Ying
Abstract: To control the induction motor stably under the condition of uncertain disturbances,an inductionmotor speed control method based on robust sliding mode control and field oriented control was proposed based on switching gain adaptive technology. By introducing the switch adaptive gain and integrator interpo...
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Number of views:5933 Amount of downloads:10597
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YANG Shuying, WANG Qishuai, DONG-YE Yalan, XIE Zhen
Abstract: For interior permanent magnet synchronous motor(IPMSM) , accuracy of its discrete-time model isusually at the cost of complexity. To find out a way out of the dilemma, stator flux is chosen as the state variable,allowing its model be represented in the complex form and resulting in a concise model in appear...
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Number of views:6053 Amount of downloads:10578
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LI Fei,YU Kongli,XIE Youlin,YIN Xiaoping,LIU Wei
Abstract:Insulated gate bipolar transistor(IGBT)as an important part of wind power converter,through thehigh frequency switch to achieve efficient conversion of electrical energy,its long-term complex operation will leadto IGBT performance decline,increase the risk of failure and affect the stability of the system. ...
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Number of views:1468 Amount of downloads:10564
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ZHANG Liuyang,XU Limei,HUANG Ying,WANG Yao
Abstract: In order to improve the load transient response speed of Buck LED constant current driver,acapacitive current ripple-controlled(CCRC) Buck LED constant current driver was proposed. Based on theoperating principle of Buck LED constant current driver,the state space averaging model of Buck LED constantcurren...
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Number of views:4507 Amount of downloads:10564
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GUO Yufei,LI Yiliang,WANG Yijie,XU Dianguo
Abstract: In order to speed up the process of "carbon neutrality" and "peak carbon dioxide emissions",fossilenergy has been gradually replaced by renewable energy,and renewable energy will become the main powergeneration mode in the future. The combination of energy storage system and bidirectional converter become ...
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Number of views:5859 Amount of downloads:10558
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SUN Chuanjie,TIAN Kai,YANG Jingran,CHU Zilin,MA Jie
Abstract: A high-power high-frequency power supply was designed for test requirements of some specialelectrical equipment. In the power supply,cascaded H-bridge was adopted to form five-level topology structure,the integrated modulation method was adopted,including bipolar PWM modulation,carrier phase-shifted SPWMmo...
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Number of views:5359 Amount of downloads:10520