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ZHANG Chao，QIU Han，LI Zhe，LIU Bochang，Zhang Baoshun，LI Chengyuan
Abstract: A control strategy of off-grid start-up of energy storage system（ESS）was proposed，which canmake all power converter systems（PCSs）entered off-grid mode smoothly and quickly in MW level battery energystorage power station，and make off-grid voltage set up. The unified off-grid phase angle and enable signal we...
更多Number of views：3115 Amount of downloads：1232
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ZHANG Zhi，WANG Xinyu，WANG Lin
Abstract: At present，the most commonly used methods for identifying photovoltaic cell parameters areanalytical methods and intelligent optimization algorithms. The sparrow search algorithm（SSA）is a newlyproposed intelligent optimization algorithm. It has the advantages of traditional intelligent optimization algorit...
更多Number of views：3037 Amount of downloads：1227
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LI Lingxin，JIAO Yuping，SUN Jiacheng，DENG Fujin，ZHANG Qi，REN Biying
Abstract: High voltage converter is often used in high voltage direct current（HVDC）transmission system tocontrol power supply nearby at high potential. However，the high bus voltage and its wide range fluctuation in themodule pose a challenge to the high reliability design of power supply. To solve this problem，a hig...
更多Number of views：1774 Amount of downloads：1225
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WEI Wei，GE Qiongxuan，LI Yaohua，ZHAO Lu，ZHANG Bo
Abstract: The integrated gate commutated thyristor（IGCT）is an important element for efficient and reliableoperation of high power traction converters. The stability of high power converter system is significantly affected bythe voltage and current dynamic characteristics of the IGCT device during the turn-on and tur...
更多Number of views：2411 Amount of downloads：1224
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CHEN Jinyang，LEI Yong，CAO Xiaoyan，HE Xin，ZHU Xiaobo
Abstract: The operation of 5G communication base stations in remote areas requires a lot of power. The basestation power supply system composed of wind and solar new energy can well solve the problem of difficult accessto the power grid in remote areas. The selection of the component capacity of the new energy base ...
更多Number of views：2500 Amount of downloads：1224
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LI Qi，ZHANGTaoyun
Abstract: With the advancement of China's energy internet strategy，edge calculation has become an effectivemode to solve the data processing of energy internet. Aiming at the problems of chaotic storage and poor fusion ofheterogeneous power distribution and power data in energy internet，the multi-source data pro...
更多Number of views：2871 Amount of downloads：1220
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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...
更多Number of views：2402 Amount of downloads：1214
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YANG Shihua，CAO Jun，CHEN Liang，CUI Bo，YU Long
Abstract: In order to solve the problems of large calibration error and model reconstruction failure in theoperation of traditional coaling instrument，an improved calibration algorithm based on direct linear transformation model and an improved 3D reconstruction algorithm based on time-of-flight method were proposed...
更多Number of views：2817 Amount of downloads：1213
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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 ...
更多Number of views：2047 Amount of downloads：1206
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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...
更多Number of views：1944 Amount of downloads：1206
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CAI Wenbin，CHENG Xiaolei，NAN Jianan，LÜ Haixia，LI Ye，LI Jingyu
Abstract: With the proposed goal of achieving double carbon in China，a higher proportion of new energy willbe connected to the grid in the future. An analysis method was proposed for assessing the adequacy of flexibilityresources of power system with a high proportion new energy. The adequacy index of proposed flexi...
更多Number of views：2298 Amount of downloads：1199
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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...
更多Number of views：2950 Amount of downloads：1197
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ZHOU Zhen，PENG Yuanxiu，LIU Bin，LI Xiaowen，ZHA Haitao
Abstract: In the isolated island operation mode of microgrid，the output power of distributed generation unitsin the system is difficult to distribute reasonably due to the difference of output line impedance，which affects thestability of the system. In order to realize the reasonable distribution of power according ...
更多Number of views：2870 Amount of downloads：1196
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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...
更多Number of views：1814 Amount of downloads：1195
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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...
更多Number of views：2397 Amount of downloads：1191
