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Rapid inhibition method for stand-alone infinite electric system chaos oscillation

A single-machine infinite, power system technology, applied in the direction of reducing/preventing power oscillation, etc.

Inactive Publication Date: 2013-07-10
王少夫
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are few reports on the self-adaptive control method for chaos suppression of single-unit infinite power system

Method used

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  • Rapid inhibition method for stand-alone infinite electric system chaos oscillation
  • Rapid inhibition method for stand-alone infinite electric system chaos oscillation
  • Rapid inhibition method for stand-alone infinite electric system chaos oscillation

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Experimental program
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Embodiment

[0030] The specific steps of the technical solution proposed by the present invention include:

[0031] The block diagram of a stand-alone infinite power system is shown in Figure 1, and its mathematical model is:

[0032] (1)

[0033] In the formula for the corner, is the moment of inertia; is the relative speed; is the electromagnetic torque; is the mechanical torque; is the coefficient of friction.

[0034] Among them, the electromagnetic torque Can be expressed as:

[0035] (2)

[0036] In the formula, is the internal voltage of the generator, is the wireless bus voltage, Add impedances to generators and transformers.

[0037] mechanical torque Can be expressed as:

[0038] (3)

[0039] Fro...

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Abstract

The invention provides a rapid inhibition method for stand-alone infinite electric system chaos oscillation. The method includes the steps that a mechanism of a stand-alone infinite electric system producing a chaos oscillation phenomenon is firstly given, and a condition of the system producing the nonlinearity chaos oscillation is researched. Rapid inhibition for the stand-alone infinite electric system chaos oscillation is achieved by utilizing of the simplest self-adaptive controller, and correctness of conclusions is verified through experiments.

Description

technical field [0001] The invention relates to a fast suppression method for chaotic oscillation of a single-unit infinite power system, belonging to the field of electrical engineering. Background technique [0002] The power system is the guarantee for people's daily life and the normal development of the national economy. Chaos is a kind of oscillation phenomenon that may occur in the operation of complex power systems. Once it occurs, it will pose a serious threat to the safe and stable operation of the system. , in the single-unit infinite power system, nonlinear phenomena such as saddle node bifurcation, supercritical, subcritical, Hopf bifurcation, period-doubling bifurcation and chaos have also been found. [0003] In order to ensure the safe operation of the power system, this paper presents the second-order nonlinear model of the single-unit infinite power system, analyzes the mechanism of the chaotic oscillation phenomenon in the system, and studies the nonlinear...

Claims

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Application Information

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IPC IPC(8): H02J3/24
Inventor 不公告发明人
Owner 王少夫
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