Abstract
Recently, there has been a tremendous change in the development of many protocols in electrical substation automation such as robust communication among control centers (GOOSE). It is a challenge to implement critical time operation such as tripping based on GOOSE protocol when the protocol is not tested in a wide area multi-substations environment. Another reason is the function of the packet forwarder may fail under a very high traffic condition with the constant generation of GOOSE packets due to multiple events. This study investigates the performance of packet forwarder in terms of packet loss under different models configurations. The investigations carried out on various switch configurations and architectures to reduce the number of dropped packets. The results showed that the architecture of two-switch system is the best performance in which the packet loss can be reduced by 2.9% in comparison with two buffer switches and 11.8% in comparison with the to original standard.
Highlights
Technology development has undergone tremendous changes in recent times
These protocols are used for the provision of faster and more robust communication among control centers (SCADA Masters), Remote Terminal Units (RTUs) and Intelligent Electronic Devices (IEDs)
These requirements can be fulfilled by IEC 61850 standard as it is able to send off fast response data via the Generic Substation Events (GSE) for a peer-to-peer communication mode by GOOSE protocol
Summary
Technology development has undergone tremendous changes in recent times. The enormous changes in various areas often makes one wonders what new innovations are in store for future developments (Nordin et al, 1992). The changes has resulted in the development of many protocols in electrical substation automation. These protocols are used for the provision of faster and more robust communication among control centers (SCADA Masters), Remote Terminal Units (RTUs) and Intelligent Electronic Devices (IEDs). It is necessary to set up a standard for sub-station automation. The particular standard that meets the requirement is IEC61850 (Adamiak et al, 2000)
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