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MATLAB user-defined model and PSASP joint simulation excitation system simulation method and system

A self-defined model and excitation system technology, applied in software simulation/interpretation/simulation, program control devices, etc., can solve problems such as inability to realize excitation system simulation, and achieve the effect of improving model processing capability and simulation speed

Inactive Publication Date: 2014-07-23
STATE GRID CORP OF CHINA +1
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Problems solved by technology

Excitation system simulation under the background of actual complex typical power system cannot be realized

Method used

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  • MATLAB user-defined model and PSASP joint simulation excitation system simulation method and system
  • MATLAB user-defined model and PSASP joint simulation excitation system simulation method and system
  • MATLAB user-defined model and PSASP joint simulation excitation system simulation method and system

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Embodiment Construction

[0047] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0048] Such as figure 1 As shown, the present invention uses the PSASP program simulation system based on the actual grid model as a platform, uses the graphical modeling function of the MATLAB program to build various excitation regulator models consistent with the actual device, and realizes it through the joint simulation of the PSASP program and the MATLAB program Excitation system simulation based on actual grid background. It can not only complete various excitation system tests under the no-load condition of the generator, but also realize the tests of various operating conditions after the unit is connected to the grid, especially the tests under various extreme conditions.

[0049] The first link of this method is the establishment of a custom model of the excitation system. Using the model library of the MATLAB program, a custom-built excita...

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Abstract

The invention provides an MATLAB user-defined model and PSASP joint simulation excitation system simulation method and system. According to the method, a PSASP simulation system based on a practical power grid model is used as a platform, an excitation system model consistent with a practical device is established through an image modeling function of an MATLAB program, and through joint simulation of the PSASP simulation system and an MATLAB model, excitation system simulation based on the practical power grid background is achieved. Organic combination of an excitation system user-defined model and practical large power grid simulation is achieved conveniently. Through abundant image modeling tools provided by an MATLAB, excitation system user-defined model establishing is very convenient, through excitation system simulation under the practical power grid background, various excitation system tests under power generator no-load and load working conditions can be completed, especially tests under various extreme conditions can be completed, the dynamic behavior of a specific unit excitation system under the situation that the system is in fault can be simulated, and an effective and convenient measure is provided for comprehensive evaluation of the performance of the excitation system.

Description

technical field [0001] The invention relates to an excitation system simulation method, in particular to an excitation system simulation method and system for combined simulation of a MATLAB self-defined model and PSASP. Background technique [0002] Excitation control not only plays an extremely important role in the safe and stable operation of generator sets, but also has an important impact on power system transmission capacity, power system stability and voltage recovery after grid failure. The design and manufacture of the excitation system, the excitation mode of the generator set, the excitation control law and the selection of excitation adjustment parameters, and the influence of the excitation system on the stable operation of the power grid all need to be supported by a large number of experiments. In view of the specific characteristics of generator sets and grid operation, many test items cannot be completed on actual operating units. Therefore, it is necessar...

Claims

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Application Information

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IPC IPC(8): G06F9/455
Inventor 贾善杰李雪亮吴健牛新生孙伟张伟昌郑志杰薛万磊刘晓明路宽梁荣冯亮
Owner STATE GRID CORP OF CHINA
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