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Please use this identifier to cite or link to this item: http://eprint.iitd.ac.in/handle/2074/1949

Title: Fast valving scheme using parallel valves for transient stability improvement
Authors: Hassan, F F
Balasubramanian, R
Bhatti, T S
Keywords: steam turbines
fast valving scheme
nuclear power plant
rotor angle damping
Issue Date: 1999
Citation: Generation, Transmission and Distribution, IEE Proceedings, 146(3), 330 - 336p.
Abstract: A new fast valving scheme of steam turbines using two parallel valves for improving the transient stability of a power system is proposed. The influence of the actuation time parameters of a conventional fast valving scheme using a single valve is first studied in detail to justify the need for a parallel valve scheme. A systematic procedure for selecting suitable valve actuation times, the sequence and the conditions to be monitored for implementing a coordinated parallel valve actuation scheme is presented. The proposed scheme is applied to a typical nuclear power plant connected to an infinite busbar system. A four stroke valve operation mode of the scheme is found to improve the second and subsequent swing stability significantly. A multiple stroke operation mode of the scheme for improving the rotor angle damping over a longer period of transient is also presented
URI: http://eprint.iitd.ac.in/dspace/handle/2074/1949
Appears in Collections:Energy Studies [CES]

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