Analysis and control of voltage dynamics in electric power systems

This research involves the study of the voltage dynamics of power systems subject to large disturbances. The thesis is divided into two parts: analysis and control of voltage dynamics. In the analysis section, the interaction of machines dynamics with the dynamics of decentralized load voltage controls, such as ULTC (under load tap changers), is investigated. A detailed reduced-order machine dynamical model is proposed for more reliable study of voltage-related problems. The main contribution of the analytical work is in recognizing voltage problems as unacceptable operating conditions. Mathematical and operational conditions are derived for distinguishing among steady-state insecure, oscillatory, and transiently unstable voltage operating conditions as particular categories of the general voltage problem operating conditions.

Name thesis:degree_name

Ph.D.

Level thesis:degree_level

Dissertation

Discipline thesis:degree_discipline

Electrical Engineering

Grantor

University of Illinois at Urbana-Champaign

Year dc:date

2011

Author dc:creator

• Mak, Fong Kiong

Contributors dc:contributor

• Sauer, Peter W.

• Engineering, Sanitary and Municipal
• Engineering, System Science

Statement dc:rights

• Copyright 1990 Mak, Fong Kiong

Language dc:language

eng

Identifier

AAI9026260
(UMI)AAI9026260

OAI identifier oai:identifier

oai:www.ideals.illinois.edu:2142/20856