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Power system modular modeling method and simulation method based on PSCAD

A technology of power system and modeling method, applied in the direction of design optimization/simulation, special data processing application, etc., can solve problems such as low modeling efficiency, non-reusable code, etc., and achieve the effect of avoiding memory call conflicts

Pending Publication Date: 2020-12-01
STATE GRID ECONOMIC TECH RES INST CO +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Aiming at the defects and improvement needs of the prior art, the present invention provides a PSCAD-based power system modular modeling method. Non-reusable technical problems that lead to low modeling efficiency

Method used

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  • Power system modular modeling method and simulation method based on PSCAD
  • Power system modular modeling method and simulation method based on PSCAD

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] A PSCAD-based modular modeling method for power systems, including:

[0037] Create a corresponding custom component (Component) for each component in the power system in PSCAD, and use the connection line component to establish the connection relationship between the custom components; the connection relationship between the custom components is consistent with the actual physics in the power system The connection relationship between the components is consistent, the input data input_data of the custom component is input through its input port, and the output data output_data of the custom component is output through its output port; in this embodiment, two types of custom components are specifically created, respectively Recorded as component A and component B, each type of component has established two custom component instances, which are respectively recorded as component A-instance 1, component A-instance 2, component B-instance 1, and component B-instance 2;

[...

Embodiment 2

[0051] A power system simulation method, comprising: using the simulation model established by the PSCAD-based power system modular modeling method provided by the above-mentioned embodiment 1 to simulate the power system.

Embodiment 3

[0053] A computer-readable storage medium, the computer-readable storage medium includes a stored computer program, wherein, when the computer program is run by a processor, the device where the computer-readable storage medium is located is controlled to execute the PSCAD-based power system provided in Embodiment 1 above A modular modeling method, and / or the power system simulation method provided in Embodiment 2 above.

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Abstract

The invention discloses a power system modular modeling method and simulation method based on PSCAD, and belongs to the field of power system circuit design and simulation. The method comprises the steps: building a corresponding custom element for each element in a power system in the PSCAD, and building a connection relation between the custom elements; defining input parameters em _ type and em_ num for each custom element, wherein the input parameters em _ type and em _ num are respectively used for storing types and unique numbers; writing a performance function for each type of custom element; associating a source file where the custom element is located with a performance function source file according to the type; writing a distribution mapping function for each defined element, and defining a script for calling the distribution mapping function; wherein the distribution mapping function is used for calling a performance function according to the em _ type and transmitting a static structure variable associated with the custom element according to the em _ num. The distribution mapping layer is added, and the performance function of the element is called according to the type of the element, so that the problems of repeated programming and non-reusable codes existing in independent calling are effectively solved.

Description

technical field [0001] The invention belongs to the field of power system circuit design and simulation, and more specifically relates to a PSCAD-based power system modular modeling method and simulation method. Background technique [0002] The power system is a large-scale, time-varying complex system that plays a very important role in the national economy. The digital simulation of the power system has become an important means of power system research, planning and design. Therefore, the functional characteristics of power system simulation software are of great significance to improve the efficiency and credibility of research and design. [0003] PSCAD (Power System Computer Aided Design) is a powerful and flexible graphical user interface that interfaces with the EMTDC electromagnetic transient simulation engine, allowing users to graphically build circuits, run simulations and analyze results, and in a fully integrated Manage data in a graphical environment. PSCAD...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F30/20
CPCG06F30/20
Inventor 肖智宏王紫琪刘颖文明浩申洪明张晓宇冯腾
Owner STATE GRID ECONOMIC TECH RES INST CO
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