Buffer scheme with battery energy storage capability for enhancement of network transient stability and load ride-through
Wang, X.Y., Vilathgamuwa, D.M., & Choi, S.S. (2008) Buffer scheme with battery energy storage capability for enhancement of network transient stability and load ride-through. Journal of Power Sources, 179(2), pp. 819-829.
This paper examines a buffer scheme to mitigate the negative impacts of power-conditioned loads on network voltage and transient stabilities. The scheme is based on the use of battery energy-storage systems in the buffers. The storage systems ensure that protected loads downstream of the buffers can ride through upstream voltage sags and swells. Also, by controlling the buffers to operate in either constant impedance or constant power modes, power is absorbed or injected by the storage systems. The scheme thereby regulates the rotor-angle deviations of generators and enhances network transient stability. A computational method is described in which the capacity of the storage systems is determined to achieve simultaneously the above dual objectives of load ride-through and stability enhancement. The efficacy of the resulting scheme is demonstrated through numerical examples.
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|Item Type:||Journal Article|
|Keywords:||Battery energy-storage system (BESS), Power buffer, Power quality, Transient stability, Load ride-through|
|Divisions:||Current > Schools > School of Electrical Engineering & Computer Science
Current > QUT Faculties and Divisions > Science & Engineering Faculty
|Deposited On:||22 Jul 2014 22:46|
|Last Modified:||24 Jul 2014 00:26|
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