Showing papers by "Rajiv K. Varma published in 1998"
03 Mar 1998
TL;DR: In this article, the closest Hopf bifurcation from the given operating point considering generator, exciter and load dynamics is computed in load parameter space using an optimization based model.
Abstract: Saddle-node and Hopf bifurcations have been recognized as the reasons behind power system voltage instability. In general, Hopf bifurcation is found to occur well before the saddle-node bifurcation under system parameter variation. This paper presents a method to determine the closest Hopf bifurcation from the given operating point considering generator, exciter and load dynamics. The closest distance has been computed in load parameter space using an optimization based model. Results obtained on a sample power system network reveals that the stability margin computed with respect to the Hopf bifurcation further shrinks when load dynamics is considered.
12 citations
01 Jun 1998
TL;DR: This edition of the Annotated Bibliography of HVDC Transmission and FACTS Devices continues work begun in 1962 by the late Erik Bromberg, Bonneville Power Administration Librarian and contains the organizational affiliation of the first-named author as an aid to accessing the reference.
Abstract: This edition of the Annotated Bibliography of HVDC Transmission and FACTS Devices continues work begun in 1962 by the late Erik Bromberg, Bonneville Power Administration Librarian. His original bibliography covered the period 1932--1962. Subsequent editions were compiled by Bromberg, Val S. Lava, and Wayne Litzenberger, all of Bonneville Power Administration. Beginning with the 1991--1993 edition, the scope of the bibliography was expanded to include flexible ac transmission (FACTS) devices. This 1996--1997 edition also contains information for 1998. Preparation of the present edition took place primarily in May-June of 1998. All pertinent references have been included that were available to the editors at the time of preparation. Papers for the 1998 IEEE Winter and Summer Power Meetings and 1998 T and D Conference have been included. This edition contains the organizational affiliation of the first-named author as an aid to accessing the reference. Unfortunately, space limitations prevented the inclusion of the affiliations of all authors. Some minor editorial changes have been made to abstracts to ensure consistency in style and syntax.
5 citations