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Track 2 Session 3
1:00 to 2:00 p.m. Wednesday,
October 22, 2008
Reliability Evaluation of Radial Distribution System Using a Modified Analytical Simulation Technique
A modern power system has the primary function of satisfying the system load and energy requirements at the lowest possible cost and with a
reasonable assurance of continuity and quality of supply. Distribution system reliability is usually defined as the ability of an electric power
distribution network to provide an adequate supply of electrical energy. Distribution system reliability indices can be evaluated using analytical
approaches such as network modeling and Markov modeling and using simulation approaches such as Monte Carlo simulation and analytical
simulation. This presentation introduces some modifications to the Analytical Simulation Technique (AST), to accurately assess the reliability
of a radial distribution system from a practical point of view. The technique is then used to assess the reliability of a Roy Billinton Test System
(RBTS) Bus 4 Feeder 4 and the reliability of a practical system. The most commonly used system reliability indices are addressed in this
presentation, including frequency-oriented indices, duration-oriented indices and energy-oriented indices.
Key Words: Distribution system, Reliability evaluattion, Reliability indices, Analytical simulation technique and Roy Billinton test system
Muhyaddin J. Rawa, Yusuf Abdulaziz Al-Turki and Ahmed Saleh Abdulwhab
King Abdulaziz University |
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