Digital Static VAR Compensator for three phase induction motor

Reactive power compensation

Three phase Induction Motor is inherently inductive in nature and used in most of the industrial applications. Because of these, the power factor affects very badly due to reactive power present in system. To nullify the effect of reactive power on system, power factor improvement techniques are used. Static VAR compensation (SVC) is one of the FACTS device used to these purposes, but smart, efficient, precise, and accurate control over changing load can be achieved by Digital Static VAR compensator (D-SVC). This paper proposes better methodology for measurement of power factor, accurate capacitor value selection and proper switching of it by D-SVC.

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