Information about this projectFor information about this project contact:James D.

McCalleyProfessor Iowa State UniversityDepartment of Electrical and Computer EngineeringAmes, Iowa

50011Phone: 515-294-4844Fax: 515-294-4263Email: jdm@iastate.edu 

Power Systems Engineering Research CenterThis is a project report from the Power Systems Engineering Research Center

(PSERC).PSERC is a multi-university Center conducting research on challenges facing the

electric power industry and educating the next generation of power engineers. More informationabout PSERC

can be found at the Center’s website:http://www.pserc.org.For additional information, contact:Power

Systems Engineering Research Center Cornell University428 Phillips HallIthaca, New York

14853Phone: 607-255-5601Fax: 607-255-8871Notice Concerning Copyright Material

PSERC members are given permission to copy without fee all or part of this publicationfor

internal use if appropriate attribution is given to this document as the source material.This report is

available for downloading from the PSERC website