Discrete variable structure controller for load frequency control of multiarea interconnected power systems

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Discrete variable structure controller for load frequency control of multiarea interconnected power systems

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A discrete version of a variable structure controller (VSC) for load frequency control of a two-area thermal and multiarea interconnected power system is presented in this paper. System nonlinearities, such as generation-rate constraint and governor dead band, have been included in the simulation studies. Comparative studies between conventional integral control and variable structure control, conducted on a multiarea power system show the effectiveness of VSC.

Inspec keywords: frequency control; variable structure systems; load regulation; controllers; power system interconnection; discrete systems

Other keywords: generation-rate constraint; discrete variable structure controller; conventional integral control; VSC; multiarea interconnected power systems; load frequency control; simulation studies; two-area thermal power systems; governor dead band

Subjects: Control of electric power systems; Controllers; Power system management, operation and economics; Multivariable control systems; Discrete control systems; Frequency control

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Errata
An Erratum has been published for this content:
Erratum: Discrete vairable structure controller for load frequency control of multiarea interconnected power systems