Earthquake Effects on Electric Power Systems

by Anshel J. Schiff, Assoc. Prof. of Mech. Engrg.; Purdue Univ., Lafayette, IN,

Serial Information: Journal of the Power Division, 1973, Vol. 99, Issue 2, Pg. 317-328

Document Type: Journal Paper


The response of electrical power systems to the San Fernando Valley earthquake of February 9, 1971, is studied. The following major recommendations have resulted from the study: (1) standards for system planning, operation, and performance should be established; (2) standards enforcement procedures should be implemented; (3) methods for modeling transmission systems should continue to be improved; (4) instrumentation to provide data to check model validity should be added; (5) special methodologies appropriate for evaluating system vulnerability to catastrophic disturbances such as earthquakes should be developed; (6) a seismic safety inspector position for earthquake related matters should be established; (7) a damage evaluation log should be established and maintained to document earthquake damage to electrical power systems; and (8) more extensive requirements for the use and security of emergency electrical power should be established.

Subject Headings: Electric power | Electrical systems | Power transmission | Earthquakes | Energy infrastructure | Damage (structural) | Instrumentation | Seismic tests

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