Journal
IEEE TRANSACTIONS ON POWER SYSTEMS
Volume 15, Issue 1, Pages 189-195Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/59.852120
Keywords
adequacy; composite reliability; security; transient stability
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This work extends the concepts and evaluation techniques for composite generation and transmission reliability assessment, in order to provide performance measures considering both static (adequacy) and dynamic (security) consequences of the disturbances, which may occur in electric power systems. The assessment of dynamic aspects requires the modeling of protection systems, control actions, and restoration processes. The cascading effects associated with dynamic problems are usually non-Markovian in nature, and they are better modeled through a Monte Carlo chronological or sequential simulation. For the transient stability analyzes, a method combining time simulation and transient energy function is used. The IEEE-RTS (Reliability Test System) is first extended to be analyzed bearing in mind both aspects, static and dynamic, and then used to test the proposed methodology, The usual reliability indices, e.g. LOLP, are separately calculated for measuring adequacy and security, They are also decomposed to capture the contributions of various types of failures considered; three phase faults, etc.
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