Energy stability-domain building system and method for power system

A technology of power system and construction method, applied in the field of power system, can solve the problem of inability to analyze the dynamic stability of the system, and achieve the effect of ensuring the safe and stable operation of the system and high accuracy

Active Publication Date: 2015-06-03
NORTH CHINA ELECTRIC POWER UNIV (BAODING)
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Problems solved by technology

[0004] In view of this, the purpose of the present invention is to overcome the deficiencies in the prior art, to avoid the problem that a single static security domain or dynamic security domain method cannot analyze the dynamic stability of the system after a fault, and to construct a system that takes both advantages into account. effect

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  • Energy stability-domain building system and method for power system
  • Energy stability-domain building system and method for power system
  • Energy stability-domain building system and method for power system

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Embodiment Construction

[0062] The present invention will be described in detail below in conjunction with the accompanying drawings.

[0063] Detailed exemplary embodiments are disclosed below. However, specific structural and functional details disclosed herein are merely for purposes of describing example embodiments.

[0064] It should be understood, however, that the invention is not limited to the particular exemplary embodiments disclosed, but covers all modifications, equivalents, and alternatives falling within the scope of the disclosure. Throughout the description of the figures, the same reference numerals denote the same elements.

[0065] Also, it should be understood that as used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items. Also it will be understood that when a component or unit is referred to as being “connected” or “coupled” to another component or unit, it can be directly connected or coupled to the other component or ...

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Abstract

The invention provides an energy stability-domain building system and method for a power system. The energy stability-domain building system comprises a data acquisition module, a system dynamic-equation generating module, a damping energy solution module, an energy stability-domain building module and a result output module, wherein the data acquisition module is used for acquiring network structure parameters, and the frequency and the power angle of an engine in the system; the system dynamic-equation generating module is used for obtaining the dynamic equation of the system; the damping energy solution module is used for calculating the damping energy accumulated in the armature reaction of the engine of the system during one cyclic wave oscillation; the energy stability-domain building module is used for building an energy stability domain of the power system, which reflects the dynamic stability and the transient stability of the system; the result output module is used for outputting the energy stability domain of the power system. Through the adoption of the energy stability-domain building system and method for the power system, provided by the invention, the static stability and the dynamic stability of the system can be reflected, and the accuracy is higher.

Description

technical field [0001] The invention relates to the technical field of power systems, in particular to a power system stability analysis system and method. Background technique [0002] With the rapid development of modern power systems, the characteristics of power grid equipment diversification, information diversification, and operation mode changes are becoming more and more obvious. The deficiencies such as information dualization and model determinism exposed by the deterministic security concept have been difficult to satisfy people. For the requirement of safer and more reliable electric energy, in this situation, the analysis method of "domain" has gradually become an important measure for the research of power system security and stability. [0003] According to IEEE's division of power system security analysis, the current domain-based power system stability research is mainly divided into static security region (Steady-State Security Region) and dynamic security ...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q10/06G06Q50/06
Inventor 马静王上行李益楠康胜阳王增平
Owner NORTH CHINA ELECTRIC POWER UNIV (BAODING)
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