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An Energy Internet Optimal Control Method Based on Intraday Rolling Optimization

An energy Internet and rolling optimization technology, applied in the direction of adaptive control, general control system, control/regulation system, etc., can solve problems such as large data differences, and achieve the effect of smoothing net load fluctuations, maximizing, and balancing power

Active Publication Date: 2022-04-01
ZHEJIANG UNIV OF TECH
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Problems solved by technology

[0004] In summary, considering the various types of energy sources and energy storage in the Energy Internet, the degree of controllability is different, and the operating modes are diversified. During the actual operation of the system, there may be large differences between the actual data and the initial predicted data. Happening

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  • An Energy Internet Optimal Control Method Based on Intraday Rolling Optimization
  • An Energy Internet Optimal Control Method Based on Intraday Rolling Optimization
  • An Energy Internet Optimal Control Method Based on Intraday Rolling Optimization

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Embodiment Construction

[0112]The present invention will be further described below in conjunction with the accompanying drawings.

[0113] refer to Figure 1 to Figure 6 , an energy internet optimization control method based on intraday rolling optimization, comprising the following steps:

[0114] S1: Construct the energy local area network group model, initialize the system and obtain the parameters required for optimization, including the day-ahead forecast data of wind energy, solar energy and energy storage;

[0115] S2: Enter the intraday rolling optimization stage, correct the errors between the actual wind power output, load fluctuations and forecast data, and ensure that the interaction strategy between each ELN subnet and the network cluster control center is consistent with the forecast data;

[0116] S3: Carry out rolling optimization on the system with 24h as the cycle and Δt=0.5h as the time interval, for the purpose of correcting the net load fluctuation deviation, and the network gr...

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Abstract

An energy Internet management method based on intraday rolling optimization, constructing an energy local area network group model, initializing the system and obtaining initial data, and then entering into intraday rolling optimization to correct the actual wind power output, load fluctuation and the error of the initial forecast data, in order to For the purpose of correcting net load fluctuation deviation, each ELN subnet decides its own optimal strategy based on the updated internal electricity price calculated by the network group control center, and corrects each variable. After the correction is completed, the current optimization result is used as the actual scheduling plan, waiting for the arrival of the next optimization cycle, and repeating the above-mentioned intraday rolling optimization process. The invention can effectively improve the ability of the Energy Internet to absorb new energy and the system reliability in case of failure, and increase the economic benefits of the Energy Internet to a certain extent.

Description

technical field [0001] The invention relates to an energy internet optimization control method based on intraday rolling. Background technique [0002] In recent years, human society has realized that traditional fossil energy cannot provide energy security for the rapid development of human civilization for a long time. To pursue sustainable development of society, it is necessary to improve the utilization level of renewable energy and increase its use in all energy sources. proportion in consumption. However, due to the instability of new energy utilization in most occasions, a large amount of uncertainty is introduced to the power generation side, which has a serious impact on the output and consumption fluctuations of the entire system, and has brought about large-scale consumption of new energy. Na's problem. To this end, it is necessary to start from the energy consumption side and improve the operational flexibility of the consumption side by introducing distribute...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05B13/04
CPCG05B13/042
Inventor 王国烽张有兵胡成鹏赵康莉卢俊杰
Owner ZHEJIANG UNIV OF TECH
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