Method and device for setting speed regulator parameters

A technology of parameter setting and governor, applied in instruments, simulators, control/regulating systems, etc., can solve the problem of not analyzing the stability and transient performance of the governor system, and accurately reflecting the governor. , to achieve the effect of affecting the intuitiveness of the results and overcoming inaccuracies

Active Publication Date: 2015-04-08
ELECTRIC POWER RES INST OF GUANGDONG POWER GRID +1
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Problems solved by technology

[0003] However, so far, the analysis technology for the frequency response of the power system is still based on the simplified governor model, which is difficult to fully and accurately reflect the role of the governor, and the influence of the parameters of the governor on the frequency regulation performance Most of the analysis methods are based on simulation experiments, so they can only qualitatively explain the relationship between relevant parameters and system frequency response and stability, which has obvious limitations
Existing technology cannot draw conclusions with a wide range of application and strong theory from the perspective of quantitative analysis, and does not analyze the influence of governor parameters on system stability and transient performance

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  • Method and device for setting speed regulator parameters
  • Method and device for setting speed regulator parameters

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[0040] The present invention will be described in detail below in conjunction with the accompanying drawings.

[0041] Detailed exemplary embodiments are disclosed below. However, specific structural and functional details disclosed herein are merely for purposes of describing example embodiments.

[0042] 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.

[0043] 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 discloses a method and a device for setting speed regulator parameters. The method for setting the speed regulator parameters comprises the following steps of A, building a transfer model of a system; B, determining the speed regulator parameters needing to be analyzed, , wherein the speed regulator parameters are adjustable parameters; C, listing a corresponding open-loop transfer function, and drawing a root locus of a corresponding system characteristic equation; D, judging whether a dominant pole exists in the root locus, when the dominant pole exists, performing quantitative analysis on the frequency modulation performance of the system based on the adjustable parameters, and otherwise, performing qualitative analysis on the frequency modulation performance of the system based on the adjustable parameters; E, setting the speed regulator parameters by utilizing an analysis result. By utilizing the method and the device for setting the speed regulator parameters, influence on the stability and the transient performance of the system caused by the speed regulator parameters can be taken into consideration, so that the stability of the system is improved, and the performance of the system is improved.

Description

technical field [0001] The invention relates to the technical field of power system analysis and control, in particular to the parameter analysis technology of power system devices. Background technique [0002] The governor is a widely applicable device in the power system. As the key link of the speed control system, the governor is the key link of the speed control system. The setting and change of its parameters have an important impact on the stability and frequency regulation effect of the system. If we can accurately understand the influence of various parameters of the governor on the transient and steady-state performance , it is easy to set the governor in the optimal working state, which is of great significance to the improvement of system stability or transient performance. [0003] However, so far, the analysis technology for the frequency response of the power system is still based on the simplified governor model, which is difficult to fully and accurately r...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B17/02
Inventor 肖小清阚伟民田丰廖宏楷陈世和邓少翔李飞肖仕武
Owner ELECTRIC POWER RES INST OF GUANGDONG POWER GRID
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