Grid-source joint simulation and multistage dispatch closed-loop control system for grid-source joint simulation

Abstract

The invention belongs to the technical field of electric power system source-grid joint simulation and operation control, and discloses a grid-source joint simulation and a multistage dispatch closed-loop control system for grid-source joint simulation. The multistage dispatch closed-loop control system comprises a power source side simulation sub system, a power grid side simulation sub system, a protocol conversion module and a dispatch sub system, wherein the power source side simulation sub system is used for simulating work states of all units and adjusting the work states of simulation units according to a control command and adjusting parameters, the power grid side simulation sub system is used for generating power grid simulation data and transferring the control command and the adjusting parameters to the power source side simulation sub system, the protocol conversion module is used of achieving data conversion, and the dispatch sub system is used for generating the control command and sending the control command to the power grid side simulation sub system. The multistage dispatch closed-loop control system for grid-source joint simulation can be used for simulating joint simulation of large-scale wind power integration, the frequency changing condition of a power grid in the wind power changing process can be reflected more truthfully, and real-time data sources are provided for online analysis and study of an energy managing system, a wide area measuring system and distribution type state estimation.

Description

technical field

[0001] The invention belongs to the technical field of power system source-network joint simulation and operation control, and in particular relates to a network-source joint simulation and its multi-level scheduling closed-loop control system. Background technique

[0002] In the 21st century, my country's electric power construction speed is accelerating, the power scale is expanding, and the operating characteristics of the power grid are becoming more and more complex; large-capacity generator sets have a more prominent role in the safety and stability of the power grid; people's requirements for power quality are getting higher and higher. In these new situations, higher requirements are placed on the coordination between the power supply and the grid. Source-network coordinated operation control technology is of great significance to promote the coordinated operation of power supply and power grid, and ensure the safe, stable, high-quality and economica...

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