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ZHAN Yubing，TAO Deshun，WANG Changxing，CHEN Liangliang，LIU Hongpeng
Abstract：In order to cope with the impact of large-scale access to new energy sources such as wind power，photovoltaic and electric vehicles on the spatial characteristics of the power grid，a novel dynamic probabilistictrend analysis method was proposed. Firstly，the probability distribution model of wind and light po...
更多Number of views：1203 Amount of downloads：4394
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WU Ning，CAI Jie，LIANG Gonghao
Abstract: As an important part of smart grid monitoring system，the security of power wide area measurementsystem is very important. Therefore，in order to ensure the integrity and confidentiality of communication data inpower wide area measurement system and the communication security between terminal devices in the ...
更多Number of views：1855 Amount of downloads：4391
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WANG Ru，WANG Haiyun，FAN Tianyuan，ZHANG Shengnan
Abstract: University buildings are major energy users，and there are two main forms of energy use：electricityand heat. Making full use of the roof resources of university buildings to develop solar energy projects andrationally allocate energy storage can effectively improve the energy economy. In order to improve th...
更多Number of views：2147 Amount of downloads：4390
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YAN Yulin，XIAYankun，LIU Liyou
Abstract: In order to achieve equal current, a constant current source should be used to drive the LEDs. Aconstant current source based on two output Cuk improved circuits was proposed. The circuit structure, workingmode and constant current principle were analyzed, and the voltage, current and power expressions wer...
更多Number of views：1943 Amount of downloads：4388
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ZHOU Qi，WANG Chenqing，KONG Xiangping
Abstract：Considering that the problem of voltage fluctuations on the DC side caused by the three-phaseimbalance of the AC grid of the flexible interconnection device，a DC voltage fluctuation suppression strategy forflexible interconnection device based on the Torricelli point was proposed. Firstly，by defining the To...
更多Number of views：1986 Amount of downloads：4386
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SHANG Liqun，WANG Shuo
Abstract：As the proportion of installed photovoltaic（PV）capacity increases year by year，accurate predictionof PV output and the realization of group control and management of PV clusters become crucial. A multi-site PVoutput prediction method that integrates deep fusion of graph convolutional neural network（GCN），lon...
更多Number of views：1107 Amount of downloads：4385
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ZHU Junwei，HE Feng，CHEN Peixing
Abstract：With the continuous integration of new energy generation and the increasing degree of power linecabling，the problem of voltage exceeding limits in new type power system is becoming increasingly prominent. Adynamic reactive power optimization model for new type power grids was established to address this iss...
更多Number of views：1167 Amount of downloads：4385
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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：1748 Amount of downloads：4385
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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：1726 Amount of downloads：4384
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YU Jialin，GUO Jinrui，TU Xiaodong，LIU Weiliang，ZHONG Weidong
Abstract：To address the issue of over/under voltage in the distribution network due to the scale access ofdistributed generators and flexible loads under the "double carbon" target，an active distribution networkscooperative voltage control strategy based on the active support of electric vehicles（EVs）aggregation wasp...
更多Number of views：1650 Amount of downloads：4376
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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：3728 Amount of downloads：4371
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TONG Xin，SONG Guobing，ZHANG Zhihua，WANG Junfeng，LEI Zhirong
Abstract: Due to the change of the ground parameters of the distribution network after the single-phasegrounding fault，the traditional active arc suppression method based on the ground parameters in the normaloperation state has a deviation between the compensation current reference value and the actual value. Incons...
更多Number of views：1680 Amount of downloads：4369
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CHENG Shiwei，ZHAO Shiwei
Abstract: To cope with the increasing demands of the application of high step-up DC-DC conversion，such asthe absorption of renewable energy，electric vehicles and aerospace，a high step-up DC-DC converter based onthree-winding coupled inductor with low voltage stress was proposed by utilizing magnetic coupling technol...
更多Number of views：1923 Amount of downloads：4368
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ZHANG Xiangqian，CHE Chaochang，LI Fengsheng，YU Shipeng，LEI Hui
Abstract: As an important part of power electronic power conversion device，auxiliary power supply is facedwith the application demand of high voltage and wide range in DC transmission，solar power station，wind powerstation and other systems. Aiming at the problems of switch stress，cost and efficiency caused by high v...
更多Number of views：1855 Amount of downloads：4367
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WANG Huahan，ZHAO Shiwei
Abstract：A dual active bridge（DAB）DC-DC converter voltage control strategy based on double-integralsliding mode control was proposed，which can obtain good control effect under the condition that the modelaccuracy requirements are low and the controller design process is simple. Firstly，the reduced-order model of the...
更多Number of views：1736 Amount of downloads：4365
