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LIU Ronghui,MA Tiantian ,SUN Gaiping
Abstract:The potential dispatchable resources of electric power,heat,cool and gas in the integrated energysystem(IES)are important contributors to reduce the operating cost of IES. In order to guarantee the customersatisfaction while reducing operating cost of IES,a IES day-ahead optimal dispatch model considering a...
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Number of views:1925 Amount of downloads:1342
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LÜ Jiangping,LI Yaguang
Abstract: Recent years,omni-directional wireless power transmission(WPT)technology has attracted moreand more attention as a solution to the limitations of free location and mobility of traditional WPT technology.However,omni-directional WPT is less efficient due to low mutual inductance relative to the transmitter ...
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Number of views:2178 Amount of downloads:1339
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WANG Peng,LI Zhongzhao,GONG Zhaowei,ZHANG Ningchao
Abstract: In order to solve the problem of coupling mechanism offset in wireless power transfer system,theS-S and LCC-LCC dual topological wireless power transfer system based on parameter optimization was proposed.Firstly,the output characteristics of S-S and LCC-LCC topological energy transmission channels were an...
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Number of views:2534 Amount of downloads:1336
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CAOWei,GUI Shicheng,HUANG Ruanming,HE Bilun,QIN Huancheng
Abstract: With the expansion of the interconnection scale of the power system,the impedance ratio of thepower grid increased gradually,thereby the breaking capacity of the circuit breaker was affected by the increasingattenuation time constant of the DC component of the short-circuit current .At present,the periodic...
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Number of views:2111 Amount of downloads:1333
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LU Wu,ZHENG Renjie,ZHAO Wenbin,TANG Jiayuan
Abstract: Efficient and accurate short-term load forecasting is essential to the safe and stable operation of thepower system. A combined prediction model based on empirical mode decomposition(EMD)and gated recurrentunit(GRU)was proposed. First,the date factors ,meteorological factors and historical load factor were...
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Number of views:2308 Amount of downloads:1332
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YANG Shude1,ZENG Zikang,ZHANG Xinwen,GAO Xiongying,CAI Changhong,ZHOU Xin
Abstract: For the technical requirements of on-load voltage regulation based on power electronic switches,athyristor-based on-load voltage regulation unit topology was given based on the analysis of the possible conduction state of each switch in the steady state and the switching law of different states. Considerin...
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Number of views:2459 Amount of downloads:1332
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NIU Shengsuo,CHENG Bo,LI Jinbo,LÜ Linfei,FU Xiulai
Abstract: Avoltage disturbance detection method based on mathematical morphological filtering and derivationdq transformation was proposed. Firstly,in order to reduce the interference of pulses,harmonics and other noises in the signals to be detected,a composite morphological filter was constructed based on adaptive...
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Number of views:1925 Amount of downloads:1329
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LIU Shiqi,WANG Yajing,MEI Yu,ZHANG Xiangke,SHI Yao,DOU Zhenhai
Abstract: In order to solve the problem of extracting harmonic parameters by noise interference Pronyalgorithm,a harmonic analysis method based on ensemble local mean decomposition(ELMD),singular valuedecomposition(SVD)and Prony was proposed. Firstly, the noisy signal was decomposed by ELMD,and thedemarcation point ...
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Number of views:3194 Amount of downloads:1324
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SONG Zhuoran,LI Jianfeng,JIANG Tao,DENG Xinyang,LIU Yu
Abstract: There are parameter identification errors in the process of distribution network synchronousmeasurement configuration. The optimal configuration method of distribution network synchronous measurementdevice based on parameter identification accuracy was studied. Based on the measurement data of the synchron...
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Number of views:3073 Amount of downloads:1317
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SHEN Jiexin,LIU Lei,HE Dandong,LIU Zhenguo,CHU Houguang,MA Hanchao
Abstract: When the current method is used to control the DC transformer of the DC-DC converter,thecontrol efficiency is low,the immunity is poor,and the loss detection error is large. In order to solve the existingproblems,a DC transformer control method based on the SRDAB DC-DC converter was proposed. By analyzingt...
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Number of views:2520 Amount of downloads:1313
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SONG Mingxuan,FENG Yuan,ZHANG Tian,HE Fengyou,GAO Jie
Abstract: Aiming at the lack of realtime detection methods of operation status for NPC three-level inverter,anindirect detection method was studied. In this method,the commutation process of NPC three-level inverter wasanalyzed. And according to Kirchhoff's law,the current and voltage models of three-level circu...
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Number of views:2382 Amount of downloads:1310
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TONG Zhan' anxin,SU Jianhui,ZHANG Jian,DU Yan
Abstract: The requirements for wireless charging of automated guided vehicle(AGV)batteries are low voltageand high current,full-wave-synchronous-rectification(FWSR)can improve efficiency and reduce costs. Firstly,AGV wireless charging topology and working principle were introduced in detail. Secondly,aiming at the p...
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Number of views:1877 Amount of downloads:1308
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WANG Shijun,HAO Quan,LI Wenlong
Abstract: In view of the problems of unstable operation waveforms,high output current stress andinstantaneous fluctuation difference of load in the current sharing control of two-way DC-DC converter in flexiblesubstation,a method of independent current sharing control of two-way DC-DC converter in flexible substatio...
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Number of views:2685 Amount of downloads:1307
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WANG Haozhu,XIE Qin,DENG Fangming,YANG Yang
Abstract: The growing demand for new energy electric vehicles(EVs)has further boosted the demand forelectric car charging. However,the gap between operating companies results in that the information of charging piles cannot be fully and effectively presented to the demanding public.Aiming at the above problems,a new...
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Number of views:2328 Amount of downloads:1306
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ZHANG Liuyang,XU Limei,HUANG Ying,WANG Yao
Abstract: In order to improve the load transient response speed of Buck LED constant current driver,acapacitive current ripple-controlled(CCRC) Buck LED constant current driver was proposed. Based on theoperating principle of Buck LED constant current driver,the state space averaging model of Buck LED constantcurren...
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Number of views:2491 Amount of downloads:1306