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Distributed power generation system time lag output synergy control method based on event triggering

A distributed power generation and event-triggered technology, applied in the direction of electrical program control, program control, comprehensive factory control, etc., to reduce the amount of calculation and communication, and achieve the final stable effect

Inactive Publication Date: 2018-11-16
NORTHEASTERN UNIV
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Problems solved by technology

At present, there is still a lack of effective solutions to optimize the precise tracking of the voltage and frequency of grid-connected distributed power generation units

Method used

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  • Distributed power generation system time lag output synergy control method based on event triggering
  • Distributed power generation system time lag output synergy control method based on event triggering
  • Distributed power generation system time lag output synergy control method based on event triggering

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Embodiment Construction

[0066] The present invention will be further elaborated below in conjunction with the accompanying drawings of the description.

[0067] Such as image 3 As shown, the present invention is an event-triggered distributed power generation system time-delay output cooperative control method, which regards each distributed power generation unit as an intelligent body, and at the same time reasonably establishes a mathematical model and a dynamic characteristic equation for the distributed power generation unit , and transform its nonlinear dynamic equation through the input-output linearization method, the steps are:

[0068] 1) Abstract the dynamic equation of the distributed power generation system and establish a mathematical model, transform the control problem of the distributed power generation unit into a multi-agent cooperative control problem; at the same time, consider reducing the communication bandwidth occupation, calculation amount and communication process in the mu...

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Abstract

The invention relates to a distributed power generation system time lag output synergy control method based on event triggering; the method comprises the following steps: abstracting a distributed power generation system kinetic equation and building a mathematic model, and converting a distributed generating unit control problem into a multi-intelligent agent synergy control problem; building a combined state of a following intelligent agent according to a state quantity of each intelligent agent and a communication weight of the adjacent intelligent agent; using the combined states to designan event triggering mechanism, comparing and determining whether or not to update a control output signal of each following intelligent agent; considering influences on the synergy control by the signal transmission time lag, designing a controller form of each following intelligent agent, enabling each following intelligent agent and a leading intelligent agent to keep the constant states, reducing the computational complexity and traffic load, and finally realizing the distributed power generation system final stabilization. The method converts the distributed generating control problem into the multi-intelligent agent synergy control problem, thus accurately and fast controlling the output voltage and frequency.

Description

technical field [0001] The invention relates to the field of distributed power generation control, in particular to an event-triggered time-delay output cooperative control method for a distributed power generation system. Background technique [0002] With the increasing shortage of primary energy and the seriousness of a series of ecological and environmental problems such as acid rain and smog, some clean energy power generation technologies have developed rapidly. Compared with traditional energy, clean energy has the advantages of being renewable, non-polluting, high reliability, and strong versatility. Therefore, it is necessary for human beings to develop and utilize renewable clean energy to achieve sustainable development. In the future, as more and more clean energy power generation units are connected to the power grid system, the traditional power grid control strategy can no longer guarantee the power quality well. For example, the grid connection of a large num...

Claims

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Application Information

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IPC IPC(8): G05B19/418
CPCG05B19/41885G05B2219/32339
Inventor 王迎春谷永强会国涛杨东升周博文郑龙飞庞萌萌李海峰
Owner NORTHEASTERN UNIV
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