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DENG Jiahao，LIN Lingxue，ZHU Lin，WU Zilong
Abstract：Up to now，the distribution network planning project optimization method rarely considered theimpact of the speed of load growth on the power supply efficiency of the project and the year when the project isselected，and rarely considered the urgency，technical benefit and economic benefit of the project at th...
更多Number of views：506 Amount of downloads：282
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ZHANG Junlin，NI Lianghua，SUN Jia，LÜ Ganyun，ZHANG Jinhua
Abstract：In order to intervale evaluate saddle node bifurcation points（SNB）in a power system during loadgrowth quickly and accurately，a quadratic approximation method to directly calculate the power system voltagecollapse point of was proposed. Based on the approximate quadratic PV-curve of output PQ nodes in the sy...
更多Number of views：520 Amount of downloads：281
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SHI Xuelei
Abstract：Under the power grid dispatch mode of "source follows load"，different AC power supply modes arerequired in the market. To meet market demand，an uninterruptible power supply（UPS）system compatible withvarious AC power supply modes was designed. The modes of the system were selected by switching devices.Accord...
更多Number of views：461 Amount of downloads：279
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JIANG Yehai，JIAO Hao，CHEN Zhi，MA Jiayang ，LI Bin
Abstract：To improve the quality of power distribution network parameters，an abnormal parameteridentification and localization method for distribution networks based on smart meter measurements was proposed.The method transformed the nonlinear identification equation solving problem in traditional identificationalgor...
更多Number of views：467 Amount of downloads：279
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XU Shizhou，CHANG Jinhai，FAN Jingsheng，JIA Xinxin
Abstract：A method for establishing edge triggered pulse control switch state time was proposed to address thedivergence of floating capacitor voltage and DC capacitor midpoint voltage in a 5-level active neutral point clamped（ANPC-5L）inverter using the space vector pulse width（SVPWM）algorithm in the g-h coordinate s...
更多Number of views：344 Amount of downloads：276
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MAYuefeng，ZHAO Suqi，WANG Kai
Abstract：Microgrid is an effective method to integrate a large number of distributed generators into the powergrid. Aiming at the optimal dispatch problem of microgrid，an optimal dispatch method based on proximal policyoptimization algorithm was proposed. Firstly，the optimal diapatch model of microgrid was construct...
更多Number of views：508 Amount of downloads：275
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CHEN Dongdong，ZHANG Shengqi，XIAO Long
Abstract：Due to the wide control bandwidth of the shunt active power filter（SAPF），the resonance problemof the LCL output filter has become a key problem of the SAPF. To solve the resonance problem of the LCL filter，anovel damping method based on active damping circuit was proposed to achieve the damping effect witho...
更多Number of views：418 Amount of downloads：273
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YANG Yidong
Abstract：In the grid load control and planning of distribution network，in order to optimize the grid structureof distribution network，such as line loss，power supply quality and load，a grid load control and planningtechnology based on differential evolution algorithm was proposed. For all kinds of power generation de...
更多Number of views：342 Amount of downloads：267
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LI Ning，WANG Ruyue，ZHU Longhui
Abstract：In order to analyze the power quality problem of actual power network under the influence ofuncertain interference factors，a power quality detection and recognition method combining empirical wavelettransform（EWT）and improved S-transform was proposed. On the one hand，the frequency，amplitude and timeparamete...
更多Number of views：368 Amount of downloads：266
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JIANG Jian，XU Fengliang，WANG Fayi
Abstract：Reasonable planning of the active distribution network is an important part to improve the windenergy accommodation capability，however，the overuse of the wind power output and load timing characteristicsincrease the difficulty of model solving and have adverse effects on the optimal results. The Latin hyper...
更多Number of views：322 Amount of downloads：265
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FENG Xiang，YU Yue，LI Cheng，ZHENG Wei，LIU Jianhua
Abstract：The traditional ultra high speed permanent magnet synchronous motor（PMSM）driver uses PWMequivalent sine voltage output，which leads to severe motor heating due to large harmonics，and it cannot be used in situations where the input voltage changes over a large range，such as fuel cells. To reduce the heat gene...
更多Number of views：394 Amount of downloads：263
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ZHOU Hao，DING Yu，WEI Xu，LI Xuesong，FAN Tianrong
Abstract：With the continuous promotion of the "double carbon" strategy，the reformation of China'selectricity market has entered a new stage，but the overall construction of the electricity market is still in theprimary stage，and there is an urgent need to develop a scientific and feasible regulatory prevention st...
更多Number of views：530 Amount of downloads：262
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CHEN Xiaoru，HUANG Longyi，YANG Mingjia，LAI Shengjie，CHI Zibin，XIA Chengjun
Abstract：In view of the lack of flexibility in the input and exit of the current metal sheath loop suppressiondevice for high voltage cables，the problems such as excessive induced voltage of the sheath and excessive powerloss were not considered when determining the suppression impedance value，a loop suppression dev...
更多Number of views：418 Amount of downloads：262
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WU Yue
Abstract：The problem of AC train passing neutral section can be solved by ground's flexible passing neutralsection method. However，for multisystem electric locomotives，the switching of power supply system in neutralzone is much more complicated，but there is little research at present. Based on the approach of ve...
更多Number of views：195 Amount of downloads：260
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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：215 Amount of downloads：258
