Abstract
The aim of this research is improving the Iraqi control center's capabilities for monitoring and controlling the electrical network by adopting the properties of multi-agent technology to enhance power system transient stability. The idea was demonstrated by two agent's strategy, the first agent is a prediction one that will predict power system instability by a transient stability program using the PEBS method, the second strategy agent is a control agent which use the methodology of increasing power transfer through the healthy portion of network during disturbances by a load flow program using fast decoupled method. The proposed strategies are applied to a realistic power system, the Iraqi supper Grid electrical network. Results show that the proposed technique is very powerful for power system instability prediction and control.
Highlights
For reliable service, a bulk electricity system must remain intact and be capable of withstanding a wide variety of disturbances
A direct method for transient stability analysis is defined as a method that is able to determine stability without explicitly integrating differential equations describing the post-fault system[4]
The network under consideration represents the Iraqi super grid network which consist of 19 bus-bar
Summary
A bulk electricity system must remain intact and be capable of withstanding a wide variety of disturbances. In the past, when systems were smaller and less complicated informal methods of security, analysis and control, were performed by system operators based upon experience and knowledge of system. Modern power systems are quite large and more extensively interconnected making the task of security analysis and control difficult for the system operator[2]. In case where transient stability is an issue, the conventional methods of stability analysis by a time domain iterative process are too far slow for online operation. This led researchers to explore fast direct methods to analyze transient stability of electric power systems[3]. A direct method for transient stability analysis is defined as a method that is able to determine stability without explicitly integrating differential equations describing the post-fault system[4]
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