Communications for smart grid substation monitoring using WIMAX protocol

Anumula, Sreekanth (2014) Communications for smart grid substation monitoring using WIMAX protocol. [USQ Project]

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Abstract

The SMARTGRID is a general term for a series of infrastructural changes applied to the
electric transmission and distribution systems. By using the latest communication and
computing technology, additional options such as Condition Monitoring can now be
implemented to further improve and optimise complex electricity supply grid operation.
Lifecycle optimisation of high voltage assets and other system components in the utility
provide a case in point. Today Utility experts agree that application of scheduled
maintenance is not the effective use of resources. To reduce maintenance expenses and
unnecessary outages and repairs of equipment due to scheduled maintenance, utilities are
adopting condition based approaches. Real time online monitoring of substation
parameters can be achieved by retrofitting the existing substation with SMARTGRID
technology. The IEC 61850 is a common protocol meant for Substation Automation
Systems, designed for the purpose of establishing interoperability, one that all
manufacturers of all different assets must comply with. This thesis advocates the estimation
of bandwidth required for monitoring a substation after retrofitting the existing substation
with smart communication technologies. This includes establishing a latest wireless
communication infrastructure from the substation to the control centre and evaluating the
performance modelling and simulating the physical layer of communication technologies
such as WIMAX (IEEE802.16) and MICROWAVE point to point using MATLAB
SIMULINK and RADIO mobile online simulation software. Also, link budget of the
satellite communication for the same application is calculated. Satellite communication in
this case is considered as a redundant or back up technology to ensure that the
communication between entities is continuous. On performing the simulation on different
environments the results prove that the selected protocols are best suited for condition
monitoring. The measured Latency could be the best approximated value which complies
with the current objective. However the white noise that exists in the substation has
significant hazard with respect to the security of the wireless network. To compensate this
constraint whole substation is hard wired by means of plastic fibre optics and the data sent
to the base station located near the substation.


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Item Type: USQ Project
Item Status: Live Archive
Additional Information: Master of Engineering Science project.
Faculty / Department / School: Current - Faculty of Health, Engineering and Sciences - School of Mechanical and Electrical Engineering
Supervisors: Xiang, Wei
Date Deposited: 19 Aug 2015 04:30
Last Modified: 19 Aug 2015 04:38
Uncontrolled Keywords: smartgrid, bandwidth
Fields of Research : 09 Engineering > 0906 Electrical and Electronic Engineering > 090601 Circuits and Systems
URI: http://eprints.usq.edu.au/id/eprint/27302

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