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The paper proposes a simple yet effective back-feed restoration algorithm to reinstate supply to the loads following a distribution system fault. The algorithm tries to balance the load served by the individual substations in the post fault restoration strategy. The proposed algorithm is essentially a constructive network tracing algorithm which comes up with final network restoration strategy by...
The purpose of this paper is to detail the components of the Oncor Smart Grid Initiative. The goals of the initiative are to provide remote meter reading capability, enhance the view that operators have into the electric system, take advantage of microprocessor based relaying capabilities to analyze system disturbances, and provide systems which function without operator intervention. The initiative...
This paper presents new approach to power system automation, based on distributed intelligence rather than traditional centralised control. The paper investigates the interplay between two international standards, IEC 61850 and IEC 61499, and proposes a way of combining of the application functions of IEC 61850-compliant devices with IEC 61499-compliant ldquoglue logic,rdquo using the communication...
The paper describes the principles regarding periodical testing of protection relays in the Finnish national grid. Three internal utility studies aiming at prolonged test intervals are presented. The first is an analytical study for modernisation of relay testing procedures, the second is a reliability centered maintenance (RCM) analysis for protection and, finally, the third is a fault and risk analysis...
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