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CAI Xinlei，WANG Qin，CHEN Yefu，MENG Zijie，SONG Dongkuo
Abstract：The high proportion of renewable energy system is an inevitable choice to achieve the dual carbontarget，but the uncertainty of wind and solar output will cause serious wind and light abandonment. With thedeepening reform of the electricity market，the demand-side response has also attracted much attention. I...
更多Number of views：2074 Amount of downloads：6324
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ZHOU Jinwei，DING Dawei，JIANG Xuexiang，REN Zhaoting，LI Xizhi
Abstract：Maximum torque per ampere（MTPA）control can effectively improve system efficiency throughreducing copper loss，which is suitable for air conditioning permanent magnet compressor system. However，due to the inverter non-ideal characteristics，the tracking accuracy of the optimal current vector angle decreases. T...
更多Number of views：2073 Amount of downloads：5668
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JING Weiwei，FU Hui，ZHENG Xian，LI Shuangwei，SHI Mingming，ZENG jiang
Abstract：With the accelerated construction of new power system，the harmonic characteristics of power gridare becoming more and more complex. It is of great significance to study the effective statistical management ofharmonic data for evaluating the power quality of power grid. A statistical method of harmonic evalu...
更多Number of views：2072 Amount of downloads：6154
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LOU Bin，HAI Ying
Abstract：Harmonic loss is one of the main causes of safety accidents in excitation transformers. If the lossvalue is too large，it can easily affect normal substation and transmission. Therefore，a method based on waveletpacket decomposition and reconstruction was proposed to calculate the additional loss of rectifica...
更多Number of views：2070 Amount of downloads：6204
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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...
更多Number of views：2070 Amount of downloads：6398
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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...
更多Number of views：2069 Amount of downloads：5991
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YANG Tianxiang，CHENG Zhijiang，YANG Handi，TIAN Feng
Abstract: Aiming at the demand of intelligent coal mine and exit problem of underground coal mine powernetwork，an energy storage hybrid distribution transformer based on modular multilevel converter（MMC-HDT）was proposed. Firstly，the proposed energy storage MMC-HDT was modeled and four operation modes were givenconsi...
更多Number of views：2066 Amount of downloads：6649
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YAN Yingshi，QIU Dongyuan
Abstract：Aiming at the interconnections requirements of power frequency（PF），low frequency（LF）anddirect current（DC）brought by the offshore wind power，a hybrid multi-frequency converter was designed basedon the nine-bridge-arm modular multilevel converter（9A-MMC），in which the diode-clamp sub-module wasselected for upp...
更多Number of views：2065 Amount of downloads：10077
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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：2065 Amount of downloads：6698
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PENG Yanlai，FAN Yong，YANG Xiaofeng，YANG Hongyu，WANG Zhixin
Abstract: Aiming at the problems that the amount of data in wind farm SCADA data is huge and it is difficultto classify the fast fault of wind turbine generator，a dynamic threshold AdaBoost algorithm（DTAdaBoost）wasproposed. Based on AdaBoost algorithm，the dynamic threshold was introduced to screen the sample set dat...
更多Number of views：2065 Amount of downloads：5283
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CUI Yulu，ZHANG Zhiguo，YANG Gang，GAO Yipeng，ZHAO Jiantao
Abstract：In response to the "double carbon" strategy，the state has made great efforts to develop new energy.As an important carrier of distributed new energy，the DC building microgrid system has attracted extensiveattention. In the DC building microgrid system，as the core link of voltage and power conversion，DC conv...
更多Number of views：2061 Amount of downloads：8192
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LIU Lingshun，LI Yongheng，YAN Hongguang
Abstract: A nine-switch converter space vector pulse width modulation（SVPWM）algorithm was proposedbased on the dual Y shift 30° permanent magnet synchronous motor（PMSM）voltage vector. Compared with thebiggest four vectors of the twelve-switch converter SVPWM algorithm，the proposed algorithm not only reducesthree swi...
更多Number of views：2059 Amount of downloads：5697
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GUO Jiahao，YANG Xiong，FANG Xin，GUAN Jiamin
Abstract: The secondary voltage signal output by electronic capacitive voltage transformer in the primary andsecondary fusion equipment is very weak，which is easy to be interfered by high-order harmonics，resulting inunstable signal transmission. In order to solve these problems，a high-order and high-precision filter...
更多Number of views：2057 Amount of downloads：6022
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ZHANG Pengcheng，TUSONGJIANG Kari，WANG Hailong，YILIHAMUYaermaimaiti，LU Haotan，RUAN Jiayang
Abstract: In order to improve the accuracy of automatic reading of tilted meter images，a novel algorithmbased on ORB and improved region growing method was presented. Firstly，the ORB algorithm was applied to detect the feature points of the target image and the template image，and the transformation matrix used to ac...
更多Number of views：2056 Amount of downloads：6063
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XU Junyue，LIU Yi，GUI Jiae
Abstract: Aiming at the problems of three-phase load imbalance，power quality degradation and harmonicdispersion in current electronic power distribution system，a comprehensive power quality control scheme with fastdynamic response and small output harmonic was proposed，which includes comprehensive control mode andco...
更多Number of views：2055 Amount of downloads：6253
