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Enabling LTE for Control System Applications in a Smart Grid Context
KTH, School of Electrical Engineering (EES), Automatic Control.
2014 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

The next generation electric power system, known as Smart Grid, is expected to alleviate

the energy shortage problem by exploiting renewable energy resources. The Smart

Grid communication network, with its diverse structure, constitutes an indispensable component in the new power system. In terms of power industry standards, the International

Electrotechnical Commission (IEC) 61850 framework is of particular note. Originally

defined to cover the stringent requirements for automation within the substation, IEC

61850 is proving to be a versatile standard that can also be applied to the medium- and

low-voltage networks while facilitating control applications. Long Term Evolution (LTE)

appears as a remarkable candidate for supporting remote automation tasks in the electricity

grid, offering low latency, high throughput and quality of service differentiation in

a single radio access technology. In the context of the thesis, a performance evaluation

of the integration of LTE technology with IEC 61850 communication services is carried

out. A characterization of the network architecture and the performance requirements

for intelligent power system management is performed and an analytical model for the

scheduling framework is proposed. Emphasis is given on the development of optimal prioritization

schemes and techniques in order to ensure control data scheduling in situations

when LTE background traffic coexists in the network. In addition, realistic communication

scenarios specifically designed to emulate real network operations are considered

and extensive simulations are performed with the use of Ericsson’s radio system simulator

platform. The results have demonstrated that LTE networks successfully meet the

performance requirements for wide-area automation tasks within a Smart Grid context.

Given the size of the LTE ecosystem, such an evolution constitutes an attractive path for

future wireless communication.


Place, publisher, year, edition, pages
2014. , 75 p.
National Category
Control Engineering
URN: urn:nbn:se:kth:diva-150344OAI: diva2:742452
Available from: 2014-09-03 Created: 2014-09-01 Last updated: 2014-09-03Bibliographically approved

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