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Shipboard Electrical Power Systems
book

Shipboard Electrical Power Systems

by Mukund R. Patel
December 2011
Intermediate to advanced content levelIntermediate to advanced
370 pages
12h 24m
English
CRC Press
Content preview from Shipboard Electrical Power Systems
329
Appendix A: Symmetrical
Components
The unsymmetrical operation of a 3-phase ac system—in steady state or during short
circuit—is analyzed by resolving the unsymmetrical applied voltages and resulting
currents into symmetrical components that are orthogonal in mathematical sense (not
physical space). The method was rst developed by Fortesque and later fully expanded
by Wagner, Evans, and Clarke for applications in practical power systems. It is analo-
gous to resolving any space vector force into three orthogonal components. It involves
algebras of complex numbers and matrices. We study here a brief theory and its appli-
cations in power sys ...
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Publisher Resources

ISBN: 9781439828175