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Grand challenges in electric power engineering: extreme system reliability

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1 Author(s)
Heydt, G.T. ; Arizona State Univ., Tempe, AZ, USA

Classical studies have focused on the calculation of power system reliability, for example, the loss of load probability, or the expected time of load unserved; and classical studies also describe how to use parallel circuits, increased generation margin, and component redundancy to improve reliability. However, contemporary thoughts on this topic are quite differently focused: modem power system reliability relates more to the following items than the classical subjects listed above: electric power quality; extreme bus voltage reliability, for example 'five nines' (i.e., 0.99999 availability), or six nines or even higher; utilization of new transmission and distribution technologies for improvement of reliability; utilization of distributed energy sources (DERs) to improve reliability; working with manufacturers of information technology equipment to reduce load vulnerability; distributed rather than concentrated loads; and loop circuits for distribution systems. This paper discusses IT and sensitive manufacturing loads, potential research on agent technology for DERs, and the N nines reliability challenge.

Published in:

Power Engineering Society Winter Meeting, 2002. IEEE  (Volume:2 )

Date of Conference:

2002