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WANG Chunhui，QU Xiaowei，WANG Mingyue，HAN Song，LI Teng
Abstract：In order to improve the debugging and fault monitoring and analysis capabilities of inverterproducts，the design scheme of network version process data acquisition and analysis software was proposed.Thecomposition and implementation of the software system were discussed，and the technical means such as multit...
更多Number of views：2113 Amount of downloads：6539
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TIAN Kai，YU Zhibin，YUAN Yuan，CHU ZiLin，CHEN Yujie，SUN Chuanjie
Abstract: A test method was proposed that can evaluate the ultimate power output capability of large capacityIGCT three-level converter. Based on synchronous symmetrical PWM modulation and temperature estimationmodel，the power experiment of IGCT three-level converter was carried out，which can test the equipment capa...
更多Number of views：2112 Amount of downloads：3804
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YAO Yan，GAO Feilin，ZHOU Ziwang
Abstract: Aiming at the problems of increased network loss and node voltage deviation of the traditionaldistribution network after the distributed generations（DGs）is connected to the network，an optimization strategythat takes into account the reactive power output of DGs grid-connected inverter was proposed. Firstly...
更多Number of views：2111 Amount of downloads：4482
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ZHANG Kuangyi，LIU Haitao，MA Bingtai，ZHANG Chengyu
Abstract: There are many fault distributions along the actual distribution network lines，but the existingvoltage sag stochastic assessment methods only consider the uniform fault distribution. According to the differentfault distribution characteristics along the line，a stochastic assessment method of voltage sag wa...
更多Number of views：2111 Amount of downloads：4553
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YAN Chengshan，QIU Mingquan，ZHANG Lijun，ZHANG Guorui，WANG Chunlei
Abstract: Aiming at the problems of regional large-scale photovoltaic construction and access，as well as thelack of control of existing distributed energy，the construction and operation control method of microgrid groupwere put forward，which extracted a three-level and two-stage coordination and interaction system s...
更多Number of views：2108 Amount of downloads：5602
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WANG Yuqi，WANG Yufeng，GUO Yubao
Abstract: The equipotential switching algorithm of the traditional mechanical static compensator（MSC）device had many limitations in the operation of the single machine，such as the long operation time of themicrocontroller control chip，the poor convergence of the calculation results had been affected by the hardware，...
更多Number of views：2106 Amount of downloads：4086
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TANG Aiwu，CHEN Tianyou
Abstract：In order to effectively adjust and control the motion amplitude of the flexible manipulator and avoidlarge deviation between the actual motion track of the flexible manipulator and the target track，a flexiblemanipulator motion track control system based on the combination of distributed control system（DCS）a...
更多Number of views：2104 Amount of downloads：4826
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XIAO Longhai，FU Ming，JIN Hai
Abstract: Aiming at the problem of power deviation caused by uncertain influence of renewable energy andelectric heating and cooling loads in the integrated energy system（IES）to realize integrated energy system optimaldispatch，a double-layer IES optimal dispatch strategy was proposed by combining the stochastic mode...
更多Number of views：2101 Amount of downloads：5439
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LIU Dong
Abstract: Focus on the stator winding insulation and voltage oscillation of variable frequency motor，thetransition process of the pulse voltage output by the frequency converter in the transmission path of stator windings，frequency conversion cables，reactors，etc was analyzed，the voltage equivalent mathematical model...
更多Number of views：2100 Amount of downloads：6173
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ZHOU Jie，ZHAO Shiwei，WU Yihao，YANG Xiangyu
Abstract：In order to optimize the current stress of dual active bridge（DAB）converter，an improved dualphase shift（IDPS）modulation was proposed based on the traditional dual phase shift（DPS）modulation. Firstly，the working principle of IDPS modulation was introduced，its steady-state working characteristics were analyze...
更多Number of views：2094 Amount of downloads：5084
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ZHOU Yufan，GAO Hui，LONG Yi
Abstract：To cope with the impact of electric vehicle（EV）charging loads on the power grid and achieve abalance of interests between the power grid，charging station and users，a customized charging strategy for EVs that takes dynamic electricity prices into consideration was proposed. Initially，the dynamic pricing mech...
更多Number of views：2085 Amount of downloads：3691
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HU Yujie，ZHU Shenglong，WU Shaolei，FENG Yu，WANG Ming，LOU Wei
Abstract：The flexible DC interconnection of medium and low voltage can improve the flexibility andreliability of the distribution network，and the dual active bridge converter is a key link in achieving voltageconversion and electrical isolation in flexible interconnection equipment.The current source resonant dual a...
更多Number of views：2071 Amount of downloads：4421
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WU Zuoping，WANG Hongyan，ZHANG Qianfu，XIE Qing
Abstract：Electricity theft by users is the main cause of non-technical loss of electric energy in power grids，which causes huge economic losses and resource wastage to the power system. Compared with a large number ofusers' normal electricity samples，electricity theft users belong to a minority class of samples，...
更多Number of views：2065 Amount of downloads：7686
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QIAN Junjie，LI Haoquan，LI Guanghua，XU Dongli，LÜ Ganyun
Abstract：Aiming at the problem of power quality deterioration caused by a large number of high-permeabilitydistributed generation connected to the distribution network，a power quality assessment method based oncombination weights and vlsekriterijumska optimizacija i kompromisno resenje（VIKOR）method was proposed.Firs...
更多Number of views：2063 Amount of downloads：3705
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GAO Chong，PAN Xianxian，XU Zhiheng，ZHANG Junxiao，HUANG Ye，DENG Wenyang
Abstract: The effective evaluation of microgrid is an important reference for the planning，construction andoperation of microgrid. The comprehensive evaluation index system of microgrid planning was constructed step bystep from three aspects of composition structure evaluation，technical evaluation and benefit evalua...
更多Number of views：2056 Amount of downloads：4898
