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HUANG Guanglei,TIAN Qidong,LIN Zhixian,ZHENG Weinan,XU Te,LI Bingran
Abstract:Due to the extensive addition of new energy systems,the number and types of power qualitydisturbances in the system are also increased accordingly. However,the traditional power quality disturbance(PQD)classification method has the problem of low accuracy and efficiency,and it is difficult to adapt to theex...
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Number of views:575 Amount of downloads:275
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SU Yanlong,YANG Jun,WENG Yuyou,WANG Yuling,HU Yu,PAN Shitong
Abstract:In order to improve the stability and economy of photovoltaic-storage combined power station,acapacity optimization method of photovoltaic-storage system based on the whole life cycle was proposed. The basicmodel of the station was analyzed. The capacity optimization model of energy storage system was estab...
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Number of views:572 Amount of downloads:348
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LI Ruizhe,WU Ming,LIU Shiyu
Abstract:To address the issue that existing microgrid planning evaluation methods do not adequately accountfor the influence of uncertainties in the system and environment on the evaluation results,a microgrid planningevaluation method based on regret theory-vlsekriterijumska optimizacija i kompromisno resenje(VIKOR...
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Number of views:571 Amount of downloads:619
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YIN Qiyun,YANG Chen,LU Hongjian,ZHAO Xinyang,AN Yanjie,CHEN Haoyang
Abstract: Aiming at clarifying the interference effect of 5G electromagnetic radiation on relay protection andcommunication control equipment in converter station,a microstrip antenna simulation model with a centerfrequency of 3.5 GHz was established. Firstly,the propagation and attenuation law of electromagnetic ra...
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Number of views:570 Amount of downloads:436
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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...
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Number of views:567 Amount of downloads:288
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HUANG Xinbing,DENG Xinglong,LIU Xiaojuan
Abstract: Aiming at the problems of low production efficiency,poor consistency of appearance and high laborintensity in the manual way of packaging tin box sleeve film for bagging drinks and tea,a kind of automaticequipment for multi-tin box supporting sleeve film was proposed,which integrated application of program...
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Number of views:563 Amount of downloads:577
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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...
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Number of views:561 Amount of downloads:305
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WU Jiawei
Abstract:Electrically assisted manufacturing(EAM)is a promising and rapidly developing metal processingmethod.The power supply is a key sub-system for EAM,which needs to be designed properly. the model-baseddesign of a low-voltage high-current pulse power supply used for EAM was proposed based on converter-levelelec...
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Number of views:560 Amount of downloads:414
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CHEN Zheng,WU Yangjin,HUANG Dingjie,WANG Chaojun,FU Xinhui
Abstract:Under the background of limited resources and time,equipment maintenance is considered as aneffective way to maintain the stable operation of the system. In order to allocate maintenance resources efficiently,the most critical equipment in the system should be identified first namely those that will cause s...
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Number of views:556 Amount of downloads:412
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HAN Song,YU Zhiqiang,WANG Mingyue,YU Hongze,JIA Pengfei
Abstract: Under the background of carbon emission reduction,fully controlled power device IGBT is widelyused in various of converters with its excellent performance,effective and reliable drive circuit is crucial to the safeoperation of IGBT,especially for high-power applications. Aiming at the requirement of flexib...
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Number of views:554 Amount of downloads:363
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LIU Erhao,WANG Junqing,QIAO Lili
Abstract: Permanent magnet synchronous motor(PMSM)driving stable platform directly is often used inguided rockets to realize the decoupling control of stable platform. Due to the extended state observe(ESO)contained in the active disturbance rejection controller(ADRC),it can accurately estimate the speed of the rota...
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Number of views:554 Amount of downloads:368
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ZHENG Junfeng,HUANG Jiyuan,CHEN Yuanyang,HU Xiangwei
Abstract: Aiming at the frequent voltage sag problem in power quality problems,a multifunctional voltage sagtreatment equipment was developed for user-side voltage sag treatment. Based on the modeling analysis of thesystem,the control algorithm of the system under grid-connected and off-grid compensation states and ...
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Number of views:554 Amount of downloads:525
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GUO Jiajun,XU Zhi,ZHAI Baoyu,CHEN Yutian,CHEN Junru
Abstract:Aiming at the low voltage ride through(LVRT)problem of the combined grid-connected systemwith new energy-energy storage under the control of the grid-forming converter,an additional voltage limitercontrol scheme based on the traditional LVRT was proposed. Firstly,the shortcomings of the traditional LVRTstra...
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Number of views:548 Amount of downloads:329
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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...
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Number of views:548 Amount of downloads:316
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LIAO Zhiwei,ZHUANG Jing,WANG Bowen,ZHENG Guangyu,XIE Xunkai
Abstract: Aiming at the problems that high voltage direct current(HVDC)transmission line protection andfault location are vulnerable to lightning interference,and the traditional lightning interference identificationmethods of transmission line based on time-domain and frequency-domain features exist the problems of...
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Number of views:548 Amount of downloads:461