Improvement of Dynamic Electrical Power System Stability Using Riccati Matrix Method

M. Irwanto; Norfadilah Norfadilah; N. Gomesh; M. Irwan; M.R. Mamat

doi:10.4028/www.scientific.net/AMM.793.29

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 793Improvement of Dynamic Electrical Power System...

Improvement of Dynamic Electrical Power System Stability Using Riccati Matrix Method

Abstract:

Power system stability means the ability to develop restoring forces equal to or greater than the disturbing forces to maintain the state of equilibrium. Successful operation of a power system depends largely on providing reliable and uninterrupted service to the loads by the power utility. The stability of the power system is concerned with the behavior of the synchronous machines after they have been disturbed. If the disturbance does not involve any net change in power, the machines should return to their original state. Due to small disturbances, power system experience these poorly damped low frequency oscillations. The dynamic stability of power systems are also affected by these low frequency oscillations. This paper presents to analyze and obtain the optimum gain for damping oscillation in SMIB by using Riccati matrix method to improve dynamic power system stability. The result shows that with suitable gain which is act as a stabilizer that taken from Riccati matrix, the oscillations of rotor speed and rotor angle can be well damped and hence the system stability is enhanced.

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Periodical:

Applied Mechanics and Materials (Volume 793)

Pages:

29-33

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.793.29

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Online since:

September 2015

Authors:

M. Irwanto*, Norfadilah Norfadilah, N. Gomesh, M. Irwan, M.R. Mamat

Keywords:

Dynamic Stability, Power System Stability, Riccati Matrix, Single Machine Infinite Bus (SMIB)

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