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Interconnected power system oriented hierachical decomposition space-time cooperative modeling method

A technology of time-space coordination and modeling method, applied in the direction of electrical components, circuit devices, etc., can solve problems such as the inability to meet the development requirements of interconnected large power grids

Inactive Publication Date: 2010-11-03
BEIJING KEDONG ELECTRIC POWER CONTROL SYST
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  • Application Information

AI Technical Summary

Problems solved by technology

Each dispatching system can only accurately model the power grid model within its dispatching jurisdiction, while the external power grid adopts inaccurate modeling or simple equivalent processing. This traditional modeling method can no longer meet the development requirements of the interconnected large power grid.

Method used

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  • Interconnected power system oriented hierachical decomposition space-time cooperative modeling method
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Embodiment Construction

[0023] Before specifically introducing the layered decomposition spatio-temporal coordination modeling method provided by the present invention, some concepts used in the present invention will be explained first.

[0024] In the grid dispatching system, an EMS (Energy Management System) power system model can be converted and exported as an XML document. This document is called CIM XML model file, which is used for information exchange of power grid model between systems, referred to as CIM file. Between different power grid dispatching systems, inter-system graphic exchange is realized through SVG graphic files. SVG graphics files include plant and station diagrams and flow diagrams, etc., and are referred to as SVG files for short. In addition, different power grid dispatching systems exchange real-time power grid operation data through E format files. The E-format file is based on the E-format specification formulated by the State Grid Corporation of China, and is referr...

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Abstract

The invention discloses an interconnected power system oriented hierachical decomposition space-time cooperative modeling method. The method is based on IEC61970 standard, E-format standard, version management service, model combination / separation, external network equivalence, SVG graph transformation, E-format data import / export and other technologies, a standard information exchange mechanism is established between different levels of scheduling systems, a standard public information processing mechanism is established on a scheduling system platform, and the space-time cooperative modeling system of interconnected power systems is realized. The invention can solve the contradiction between the modeling modes of the interconnected large power grid and the traditional power grid, solve information integration and sharing among various application systems and among various scheduling systems in the scheduling center and provide data basis and technical support for the real-time monitoring, control and online security analysis of the interconnected large power system.

Description

technical field [0001] The present invention relates to a modeling method for power grid dispatching system, in particular to an interconnection-oriented electric power system. A temporally coordinated and unified modeling method belongs to the technical field of power grid dispatching automation. Background technique [0002] The power system is a complex large system composed of power plants, substations, transmission and distribution networks and users, which are dispatched and operated in a unified manner. In the power system, it is necessary to set up corresponding dispatching systems in each link and at different levels to ensure the safe and stable operation of the power grid. With the formation of the national interconnected large grid, the scale of the grid is getting larger and closer, and the grid structure and operation mode are becoming more and more complex, which brings huge challenges to the safe and stable operation, monitoring, analysis and control of the ...

Claims

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Application Information

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IPC IPC(8): H02J13/00
Inventor 米为民钱静李立新尚学伟周京阳沈国辉徐家慧潘毅高保成徐丹丹边晓宇于耀中何江吴艳华卓俊峰
Owner BEIJING KEDONG ELECTRIC POWER CONTROL SYST
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