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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：216 Amount of downloads：245
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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：132 Amount of downloads：145
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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：147 Amount of downloads：162
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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：137 Amount of downloads：165
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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：109 Amount of downloads：133
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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：325 Amount of downloads：347
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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：355 Amount of downloads：260
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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：255 Amount of downloads：304
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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：266 Amount of downloads：246
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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：233 Amount of downloads：241
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YANG Yan，LIU Tong，JIN Panlong，QI Caijuan
Abstract：In order to solve the problem that the time-of-use price is not taken into account in the calculation ofthe peaking cost in the case of a large number of renewable energy sources，a method of calculating the peakingcost of power system with time-of-use price was proposed. First，the key scenarios of power gri...
更多Number of views：269 Amount of downloads：257
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YANG Lei，WANG Xianjun，WANG Zijian，ZHAO Weihua，LI Peng，LI Mengxi
Abstract：As the penetration rate of household distributed PV in China's low-voltage distribution networkcontinues to increase，the power flow of the distribution network has changed，leading to more serious problemssuch as node voltage overruns and three-phase imbalance，which poses a serious threat to the safe and...
更多Number of views：246 Amount of downloads：243
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FAN Peilin，HU Pengtao，XUE Jianli，LIU Zheng，HUANG Jinming
Abstract：Voltage source converter （VSC） is prone to low-frequency oscillations of 100~101Hz whenconnected to weak AC power grids. The mechanism of improving the control strategy of VSC on the traditionalinverter side to suppress low-frequency oscillations（LFO）in the AC power grid is to transfer the oscillations from...
更多Number of views：147 Amount of downloads：173
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LUO Meiling，HAN Zhongxiu，YU Xiaojun，WU Jianyun，HUANG Weibing
Abstract：The islanding detection method is a necessary method for grid-connected PV systems，but，thecurrent islanding detection method is prone to misjudgement when encountering grid operation states such as highresistance short-circuit ground faults and large-capacity load casting. For this reason，an islanding detec...
更多Number of views：139 Amount of downloads：153
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XIONG Wei，CHEN Long，LÜ Shunli，GUO Zhenyu，LU Xin
Abstract：To address the complexities of transformer condition assessment indicators and the overreliance onexpert judgment in the evaluation process，a novel method for fuzzy comprehensive assessment of transformercondition was introduced，which is based on gaming theory and an improved version of the D-S evidence the...
更多Number of views：160 Amount of downloads：177
