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DING Qiang，ZHU Jie，JIANG Yingxu
Abstract: Direct-drive electrically excited synchronous motor（EESM）is obtained widespread utilization inwind power generation system due to its advantages of simple construction and low cost. Firstly，a mathematicalmodel of EESM was derived and the direct torque control（DTC）algorithm for EESM was introduced based on ...
更多Number of views：3855 Amount of downloads：9134
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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：2579 Amount of downloads：9132
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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：4102 Amount of downloads：9122
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GAO Shanxue，YANG Xin，SHEN Wenbing，ZHONG Wei，ZHANG Shuai，WANG Min
Abstract: DC microgrid usually consists of a plurality of power electronic converters with feedback controlconnected to a common DC bus. Although the control loop design of each individual converter has a good stabilitymargin，the interconnection of multiple power and load converters can cause stability and performan...
更多Number of views：4172 Amount of downloads：9118
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TANG Junyi，DONG Xuetao，QIN Yanhui
Abstract: The large-scale grid connection of renewable energy with strong randomness and volatility and thenet load fluctuation caused by time sequence put forward higher requirements for the operation flexibility of powersystem. In order to quantitatively evaluate the operation flexibility capacity of power system，...
更多Number of views：2420 Amount of downloads：9117
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LI Junjun，LI Zhongqi，YI Jiliang
Abstract: Shared inverter can simplify the topology of the dual machines drive system under the traditional axiscontrol mode，reduce the volume and weight of the equipment. In view of the low voltage utilization rate of a single motor in the shared inverter drive system，which leads to the shortening of the constant p...
更多Number of views：3891 Amount of downloads：9116
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ZHANG Dewang，CHEN Zhigeng，ZHANG Zhichao，ZHOU Yu
Abstract: Traditional point prediction is difficult to analyze the randomness and uncertainty of wind powerinadequately. Aiming at the shortcomings of point prediction，an interval prediction model based on improvedwhale optimization algorithm and fast learning network（IWOA-FLN）was proposed. Firstly，the convergencesp...
更多Number of views：4704 Amount of downloads：9115
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CHEN Qian，FENG Yuan，LI Cheng，XU Yang，WANG Shuchun
Abstract：The proportion of new energy sources connected to the station area is increasing day by day，whichinevitably brings regulatory needs. Therefore，there is an urgent need for corresponding edge power flowalgorithms. In order to give consideration to accuracy，practicality and efficiency under the situation of we...
更多Number of views：1899 Amount of downloads：9108
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YUAN Shaowei，LI Yuxiang，JIANG Jie，ZHANG Bei，ZHU Qing
Abstract：In order to solve the problems of intermittent and fluctuating distributed energy，took three majorphysical entities in the demand response project，namely system operator，load aggregator and load end user，as the research object，the transactions between supply and demand within the power system composed by the...
更多Number of views：2502 Amount of downloads：9101
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GONG Ruibang，JIANG Qi，WANG Yuchen，ZHANG Baoqing
Abstract: A novel voltage regulation and maximum power point tracking（MPPT）control for DC microgridcomposed of PV panel，battery，constant resistance and constant power loads was proposed. A dynamic model of the DC microgrid system described by a multi-input and multi-output nonlinear system with non-affine inputs was...
更多Number of views：6053 Amount of downloads：9101
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LIU Fang，XU Yunyu，HE Guoqing，LI Guanghui，LIU Shiquan，LIU Wei
Abstract: With the increasing permeability of distributed generation，the grid becomes weaker and weaker. Itis very important to help the system achieve low voltage ride through（LVRT）when the grid voltage drops underweak grid. Aiming at a series of problems such as over-current，voltage collapse and system oscillation...
更多Number of views：2571 Amount of downloads：9100
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ZHOU Xuesong，GUO Kairui，MAYoujie，ZHONG Weibao
Abstract: Although the parallel connection of inverters in a microgrid system increases the system capacity，itcreates a circulation path which provides the conditions for the generation of zero-sequence circulating current（ZSCC）. In order to solve the problem of system loss caused by ZSCC，a ZSCC controller was desig...
更多Number of views：4328 Amount of downloads：9094
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LI Hongqiang，WEI Yawei，MA Jing，ZHOU Lei，ZHANG Hanhua ，LU Guangming
Abstract：Under the large-scale renewable energy integrated with uncertain output characteristics，balancingthe supply and demand within a local area becomes a new challenge. The long-distance transmission andconsumption scheme is utilized for the sending-end grid to meet the requirements of renewable energy consumpti...
更多Number of views：2629 Amount of downloads：9089
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LI Shunxin，ZHAO Xuan，ZHAO Yinan，YANG Min，DONG Shaoqiao
Abstract：With the continuous increase in the scale of distribution network construction and operation，a largenumber of electricity load control problems have emerged，especially the weakening of sample time seriescharacteristics in electricity load data analysis，resulting in incomplete acquisition of local load chara...
更多Number of views：2680 Amount of downloads：9080
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YANG Zhaohui，WEI Huadong，HE Liuqing，ZHANG Hao，PENG Guoping，SHI Ben
Abstract：Aiming at the problem of large switching loss of modular multilevel converter（MMC），startingfrom the switching frequency optimization strategy，the existing switching frequency optimization strategy wasimproved，and the accurate analytical formula of sub-module capacitor voltage based on the real-time value of...
更多Number of views：2557 Amount of downloads：9077
