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Matlab-based DC control protective function module modeling method and device

A DC control protection, functional module technology, applied in special data processing applications, instruments, electrical digital data processing, etc., can solve the problems affecting the authenticity of simulation results, a large number of simulation resources and costs, and reduce intermediate variables and lead times. The effect of the number of feet

Pending Publication Date: 2018-11-20
ELECTRIC POWER RESEARCH INSTITUTE, CHINA SOUTHERN POWER GRID CO LTD
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Problems solved by technology

[0006] The embodiment of the present invention provides a Matlab-based method and device for modeling DC control and protection function modules, which solves the problem that the existing DC control and protection function modeling method controls and protects the model program because there are a large number of intermediate variables, so that the program has to A lot of simplifications will affect the authenticity of the simulation results, and due to the need to use a large number of DC control protection screen cabinets and the interface of the simulator, it will lead to technical problems that require a lot of simulation resources and costs

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  • Matlab-based DC control protective function module modeling method and device

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Embodiment Construction

[0047] In order to enable those skilled in the art to better understand the solutions of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0048] For ease of understanding, see figure 1 , a kind of method based on Matlab DC control protection functional module modeling provided by the present invention, comprises:

[0049] Step 101: Classify, combine and package the basic components of the basic component library according to component types through the combined packaging mode and ...

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Abstract

The invention discloses a Matlab-based DC control protective function module modeling method and device. The method comprises the steps of classifying, combining and packaging base elements in a baseelement bank according to element types through a combination packaging mode and an M code mode, so as to obtain an enriched new base element bank; and processing a logic control relationship of the new base element bank according to a DC control protective function, and packaging the new base element bank into an intermediate element corresponding to the DC control protective function. In the existing DC control protective function modeling method, the control protective model program has massive intermediate variables, consequently, the program needs to be simplified greatly, which affects authenticity of simulation results; further, a lot of DC control protective screen cabinets and interfaces of simulators are used, so that simulation resources and costs are lowered.

Description

technical field [0001] The invention relates to the technical field of simulation design, in particular to a method and device for modeling a DC control and protection function module based on Matlab. Background technique [0002] Compared with AC transmission, HVDC transmission has a remarkable feature that it can control the magnitude and direction of the power transmitted by the DC line through the rapid adjustment of the converters at both ends, so as to meet the operating requirements of the entire AC-DC combined system, that is, DC The performance of the transmission system greatly depends on its control and protection system. [0003] At present, in the AC / DC power grid characteristic simulation research model, there are two ways to realize the DC control and protection function simulation: [0004] 1) The simulation of the DC control and protection system connected to the actual DC control and protection prototype. This method is consistent with the actual engineeri...

Claims

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Application Information

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IPC IPC(8): G06F17/50
CPCG06F30/367
Inventor 关红兵黄立滨郭琦
Owner ELECTRIC POWER RESEARCH INSTITUTE, CHINA SOUTHERN POWER GRID CO LTD
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