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Energy internet optimization 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, achieve the goal of improving robustness, mitigating impact, and improving energy utilization Effect

Active Publication Date: 2019-04-16
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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  • Energy internet optimization control method based on intraday rolling optimization
  • Energy internet optimization control method based on intraday rolling optimization
  • Energy internet optimization 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

The invention discloses an energy internet management method based on intraday rolling optimization. An energy local area network group model is constructed, a system is initialized and initial data is required; and then, intraday rolling optimization is carried out, errors of actual wind and light output, load fluctuation and initial prediction data are corrected, the purpose of correcting net load fluctuation deviation is achieved, and each ELN sub-network decides an optimal strategy of itself according to the updated internal electricity price calculated by the network group control centerand corrects each variable. After the correction is finished, the current optimization result is taken as an actual scheduling scheme, the arrival of a next optimization period is waited for, and theintraday rolling optimization process is repeated. According to the invention, the new energy consumption capability of the energy Internet and the system reliability in fault can be effectively improved, and the economic benefit of the energy Internet is increased 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 Applications(China)
IPC IPC(8): G05B13/04
CPCG05B13/042
Inventor 张有兵王国烽胡成鹏赵康莉卢俊杰
Owner ZHEJIANG UNIV OF TECH
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