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CUI Peng，YU Haisheng，MENG Xiangxiang，WANG Jiankun，SUN Yifei
Abstract：A backstepping error port-controlled Hamiltonian（EPH）controller based on a novel extended stateobserver（ESO）was designed to address the issues of insufficient rotor flux observation accuracy and slow systemdynamic response in induction motor speed control. Firstly，an extended state observer was used to obse...
更多Number of views：2383 Amount of downloads：8170
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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：1832 Amount of downloads：6619
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CHENG Liang，DUAN Pengyang，SU Hongbang，TIAN Shengjuan，QI Xiaoxuan，YAN Shengping
Abstract：In the background of a high proportion of new energy source connected to grid，the phenomenon ofnew energy interface inverters being connected to the grid through long-distance AC lines is becoming increasinglysignificant. The traditional vector controlled weak grid connected voltage source converter（VSC）bas...
更多Number of views：1946 Amount of downloads：4999
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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：1814 Amount of downloads：7075
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MIAO Yuntao，WANG Chengxian，LI Junda，GU Jiateng，ZHANG Zhenbin
Abstract：Model predictive control（MPC）is an effective control strategy for permanent magnet synchronousgenerators（PMSG）due to its fast dynamic response and multi-objective optimization capabilities. However，MPCrelies on accurate system models and sensor measurements. In practical conditions，parameter mismatch caused...
更多Number of views：2091 Amount of downloads：7428
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HOU Yongquan，MA Lifang，MEI Shuang，WU Bo，WANG Tan，LU Tao
Abstract：In recent years，the use of microinverters has received a lot of attention as one of the viable methodsfor residential and commercial PV power conversion systems. Flyback inverters operating in current continuousconduction mode（CCM）have been widely studied for their low output ripple current，high efficiency，...
更多Number of views：2112 Amount of downloads：7542
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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：2047 Amount of downloads：7056
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LI Hongqiang，WEI Yawei，MA Jing，ZHOU Lei，ZHANG Hanhua ，LU Guangming
Abstract：Under the large-scale renewable energy integrated with uncertain output characteristics，balancingthe supply and demand within a local area becomes a new challenge. The long-distance transmission andconsumption scheme is utilized for the sending-end grid to meet the requirements of renewable energy consumpti...
更多Number of views：2029 Amount of downloads：6295
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SUN Mengen，GONG Haiming，ZHAO Jie，SUN Rongrong，LU Huiwen，WANG Hui
Abstract：Accurate topology and line parameter information is the basis of state estimation and securitycontrol of distribution network. Affected by the performance of collection terminals and environmental factors，themeasurement error of metering equipment often deviates from Gaussian distribution. Higher requiremen...
更多Number of views：1959 Amount of downloads：7217
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JIANG Yang，CHEN Zhong，WU Yongkang
Abstract：The permanent magnet synchronous generator（PMSG）is prone to current overstep in unbalancedgrid，which affects the reliability of grid-connected system. To solve this problem，low-voltage ride-throgh controlstrategy based on direct power control was proposed. In this strategy，the direct power inner loop was us...
更多Number of views：1842 Amount of downloads：5647
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XIE Jijin，HUANG Wendong，SHEN Kang，LIU Bin，MENG Ningjia，ZHANG Yuanyuan
Abstract：In order to improve the compensation effect of LCL-type shunt active power filter，a frequencyadaptive decimal delay repetitive control based on IIR filter was proposed. The resonance suppression loop of LCLwas designed through root locus and the design result was used as a new control object for repetitive ...
更多Number of views：1737 Amount of downloads：6527
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LI Jiayu，HAN Yuan，WANG Jianjun，PAN Yue
Abstract：Modular multilevel matrix converter（M3C）is a multilevel topology that can directly realize ACACconversion，which has good application prospects in high-voltage transmission systems and DC distributionsystems，but the existence of bridge-arm circulating channels inside the M3C leads to a very complex controlst...
更多Number of views：1987 Amount of downloads：6327
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SUN Yueyue，LI Mengda，PEI Guangyao，ZHU Hanghang，NING Han
Abstract：Since the compressed air energy storage system grid-connected inverter voltage is always influencedby voltage fluctuations of the power grid with little problem，for the sake of ameliorating the dynamic and stableperformance of the DC bus voltage of the inverter on the side of the grid and the actual output ...
更多Number of views：1975 Amount of downloads：7096
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RUAN Bo，YI Bonian，YE Xuecheng，LE Jian，LANG Hongke，REN Yi
Abstract：The electricity power price setting mechanism will be fundamentally reformed with the continuousadvancement of a new round of electricity market-oriented reform. Presently，some provincial and regional powergrid enterprises are facing the problem of large fluctuations in electricity prices，which is not condu...
更多Number of views：1791 Amount of downloads：5756
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LIU Yanlong，HAN Pingping，CHEN Xiaoguang，GUO Jialin
Abstract：With the increasing penetration of new energy equipment，while alleviating the environmentalproblems caused by fossil energy，it also increases the frequency instability of the system. Photovoltaic（PV）andother new energy equipment to participate in the grid frequency regulation is an effective way to improve ...
更多Number of views：2103 Amount of downloads：4939
