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POWER SYSTEM RELIABILITY EVALUATION

Date

1967-02

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Degree Level

Doctoral

Abstract

Reliability considerations are an important aspect of overall power system optimization in both the planning and operating areas. This thesis investigates the application of probability concepts to static and spinning generation reserve problems. The use of confidence levels in the basic component outage statistics are proposed as an additional degree of consistency in system reliability assessment. Transmission system reliability is studied using published methods and compared with results obtained using a Markov process with a two state fluctuating failure environment covering normal and stormy weather periods. A method of evaluating the composite reliability at any load point and encompassing all the inherent system failure processes is proposed and illustrated. This approach will permit reliability evaluation to become an integral component in the economic appraisal of alternate facilities.

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Degree

Doctor of Philosophy (Ph.D.)

Department

Electrical Engineering

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