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Power System Adequacy Assessment

Date

1993-03

Journal Title

Journal ISSN

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Type

Degree Level

Masters

Abstract

T1 le basic objective of the research was to examine the possibility of predicting reliability indices at customer load points considering, outages in the three major zones of a power system, i.e, generation, transmission and distribution.) These indices provide a quantitative assessment of the contribution made by the various segments at the system to customer reliability. The impacts on the overall customer load point adequacies of the pertinent factors associated with generation, transmission and distribution systems are examined in this thesis by application to two test systems. Reliability parameters known as performance indices can also be obtained from past experience of the system. Assessment of past system performance is important because in addition to providing a quantitative record, these indices provide a datum against which to measure future predictive performance. This thesis illustrates how future performance indices can be estimated using existing predictive assessment techniques. Load interruption and poor quality of electric supply have severe economic and social consequences in a modern society and therefore power utilities try to provide an adequate supply of electrical energy to all their customers. In the event of electrical energy deficiencies resulting from composite generation and transmission component outages, a decision must be taken regarding which load points and customers will suffer the loss. There is an increasing interest in economic load curtailment strategies in the event of energy deficiencies resulting from composite generation and transmission component outages. As a result of adopting such cost effective curtailment strategies, the reliability may be improved at some load points and adversely affected at others. It is therefore important to determine how these load curtailment strategies can influence the customer load point reliability indices. This thesis presents some cost effective load curtailment strategies and their impacts on overall customer load point reliability indices.

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Citation

Degree

Master of Science (M.Sc.)

Department

Electrical Engineering

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