Transient stability enhancement and voltage regulation of power system using I/O feedback linearization technique
Bevrani, Hassan (1997) Transient stability enhancement and voltage regulation of power system using I/O feedback linearization technique. In 12th International Power System Conference-PSC, Tehran, Iran.
To maintain a high degree of reliability, the impact of major disturbances, such as a large sudden fault, should be considered during power system stabilizer design. The problem of designing controllers to prevent an electric power system losing synchronism after a large sudden fault is of great importance in power system design. The conventional stabilizer designs based on approximate linearization models are not adequate for large disturbances. When a large fault occurs, the behavior of the system changes a lot, and in many cases a linear controller cannot maintain adequate stability. In this paper, by using the input-output feedback linearization technique and asymptotic output tracking theorem, a novel excitation control system is resented. Improvement of transient stability and voltage regulation of a single machine infinite bus power system in the presence of a symmetrical three phases short-circuit fault is considered as a test example. The simulation results show that the power system can keep transiently stable and achieve good post fault voltage regulation with the proposed nonlinear controller.
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|Item Type:||Conference Paper|
|Additional Information:||For more information, please contact the author.|
|Divisions:||Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering|
|Copyright Owner:||Copyright 1997 PSC Iran|
|Deposited On:||16 Oct 2008|
|Last Modified:||15 Jan 2009 08:35|
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