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Network delay suppression method of wind-solar hybrid power generation system based on estimation and compensation control

A technology of wind power generation system and power generation system, which is applied in the direction of photovoltaic power generation, wind power generation, photovoltaic power station, etc., and can solve problems affecting the stability of interconnected power generation systems, etc.

Active Publication Date: 2019-10-22
MINJIANG UNIV
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Problems solved by technology

However, this complementary feature makes the joint power supply of solar and wind power generation an inherently coupled interconnected system, and there is generally a delay in the measurement signal network transmission, which affects the stability of the interconnected power generation system

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  • Network delay suppression method of wind-solar hybrid power generation system based on estimation and compensation control
  • Network delay suppression method of wind-solar hybrid power generation system based on estimation and compensation control
  • Network delay suppression method of wind-solar hybrid power generation system based on estimation and compensation control

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Embodiment Construction

[0187] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0188] It should be pointed out that the following detailed description is exemplary and intended to provide further explanation to the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

[0189] It should be noted that the terminology used here is only for describing specific implementations, and is not intended to limit the exemplary implementations according to the present application. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural, and it should also be understood that when the terms "comprising" and / or "comprising" are used in this specification, they mean There are features, steps, operations, means, components and / or combinatio...

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Abstract

The invention provides a network delay suppression method for a wind-solar hybrid power generation system based on estimation and compensation control, and the method comprises the steps: firstly establishing the wind-solar hybrid power generation system; employing a physical principle and a T-S model method to express nonlinear dynamic states of the wind-solar hybrid power generation system; andthen designing an estimator to estimate signal perturbation of the network delay. On the basis, a feedback controller based on compensation is adopted, so that signal perturbation of network delay isrestrained, and stable work is achieved.

Description

technical field [0001] The invention relates to the field of delay suppression of power generation systems, in particular to a network delay suppression method of a wind-solar hybrid power generation system based on estimation and compensation control. Background technique [0002] Solar energy and wind energy have very good complementary characteristics. It is a more economical and reasonable power supply method in the country's energy Internet strategy, and it is also a current solution to the energy supply in remote areas that have not realized large-scale power interconnection. However, this complementary feature makes the joint power supply of solar and wind power generation an inherently coupled interconnected system, and there is a common delay in the transmission of measurement signal networks, which affects the stability of the interconnected power generation system. Contents of the invention [0003] In view of this, the object of the present invention is to prop...

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Application Information

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IPC IPC(8): H02J3/38H02S10/12
CPCH02J3/383H02J3/386H02S10/12H02J2203/20Y02B10/10Y02E10/56Y02E10/76
Inventor 汪星一钟智雄黄修丹傅珊珊
Owner MINJIANG UNIV
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