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ZHANG Xudong，WANG Yangyang，LI Xiaolong，LÜ Jin
Abstract：Aiming at the problem that the ripple content of current and voltage in cycloconverter speed controlsystem is large and the ripple period is time-varying，the real-time sampling value is not suited for feeding back tothe speed control system directly，a variable period mean sampling algorithm was proposed. Fi...
更多Number of views：445 Amount of downloads：317
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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：548 Amount of downloads：316
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LI Mingke，ZHONG Jinxing，XUE Yan，XIONG Xiaosheng，LIU Junwei，DENG Lina
Abstract: In order to effectively manage the grid short-circuit current overrun problem，optimization decisionmaking evaluation method of short-circuit current limitation scheme based on hybrid decision model considering asymmetric closeness was designed. Considering the relevant influence of the short-circuit curren...
更多Number of views：522 Amount of downloads：315
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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：390 Amount of downloads：312
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YU Jiazheng，ZHANG Zhifeng，SUN Quanzeng，ZHANG Qingyi
Abstract：Aiming at the inherent problems of large common-mode voltage and heavy computation in modelpredictive current control of the six-phase permanent magnet synchronous motor（PMSM），a model predictivecurrent control method for an open-end winding six-phase PMSM was proposed. Firstly，the neutral point of the sixph...
更多Number of views：576 Amount of downloads：312
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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：511 Amount of downloads：312
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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：469 Amount of downloads：311
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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：516 Amount of downloads：310
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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：546 Amount of downloads：307
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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：380 Amount of downloads：306
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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：561 Amount of downloads：305
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SUN Jia，HAN Shuntian，NI Lianghua，LÜ Ganyun
Abstract：While a large number of distributed generator（DG）keep penetrating into distribution networks，the problems such as voltage violation and network power congestion become more and more serious. Soft open point （SOP）can quickly achieve flexible interconnection and accurate power flow control，effectively address...
更多Number of views：215 Amount of downloads：303
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LI Juan，WEI Yalong，ZHANG Shiqian，GONG Peijiao
Abstract：A three-phase four-wire energy storage type low-voltage control device with the function of gridvoltage unbalance compensation was designed. Firstly，a control method based on active voltage droop and constant power factor was introduced in detail to solve the problem of low voltage at the terminal of substa...
更多Number of views：302 Amount of downloads：299
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SHEN Yuming，GUI Xu，JIANG Guifen，XU Jiayin，FENG Peiru，LI Kun
Abstract：As the penetration rate of new energy in the power system continues to increase，the large-scale gridconnection of wind power is one of the important factors affecting the stable frequency operation of the powersystem. Configuring energy storage can provide transient frequency support for the system，improve ...
更多Number of views：211 Amount of downloads：297
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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：359 Amount of downloads：296
