Transient Energy of an Individual Machine PART II: Potential Energy Surface

Songyan Wang*, Jilai Yu, Aoife M. Foley, Wei Zhang

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)
1 Downloads (Pure)

Abstract

In this second paper, the individual-machine potential energy surface is established. The constant- $\theta _{i}$ angle surface of the machine is found in the angle space. Because the individual-machine potential energy is strictly zero in this angle surface, the constant- $\theta _{i}$ angle surface has a significant effect on the shape of the individual-machine potential energy surface. That is, the individual-machine potential energy surface is separated by a flat land, and mountains and valleys are located on either side of this flat land. In addition, a zero- $f_{i}$ angle surface also exists in the individual-machine potential energy surface. The individual-machine potential energy reaches a minimum or maximum at the surface. Using a scissor angle surface, the individual machine potential energy boundary that reflects the maximum individual-machine potential energy is obtained through the cut of the zero- $f_{i}$ angle surface. The machine becomes unstable after the system trajectory goes through the individual machine potential energy boundary. In the end, key concepts and distinctive phenomena in the individual-machine studies are fully explained using the concept of individual-machine potential energy surface.

Original languageEnglish
Pages (from-to)60223-60243
Number of pages21
JournalIEEE Access
Volume9
DOIs
Publication statusPublished - 14 Apr 2021

Bibliographical note

Publisher Copyright:
© 2013 IEEE.

Copyright:
Copyright 2021 Elsevier B.V., All rights reserved.

Keywords

  • individual machine
  • potential energy surface
  • transient energy
  • Transient stability

ASJC Scopus subject areas

  • Computer Science(all)
  • Materials Science(all)
  • Engineering(all)

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