Title

Compensation of semi-periodic currents

Document Type

Article

Publication Date

1-1-2002

Abstract

Before power electronics were developed, non-periodic currents used to occur in distribution systems, apart from arc furnaces supply, mainly during switching and faults. Now, such currents are produced at normal operation of some power electronics equipment. Power electronics enables very fast control of processes and energy flow. Non-periodic currents are by-products of such a fast control. Non-periodic currents in electrical power systems occur as an effect of deformation or conversion of periodic, usually sinusoidal voltage and the periodic component of the supply current is crucial for permanent transfer of energy from generators to loads. Such non-periodic current, with a periodic or quasi-periodic components are referred to as semi-periodic currents in this paper. The paper provides fundamentals of semi-periodic current compensation and discusses a control algorithm of such a compensator.

Publication Source (Journal or Book title)

European Transactions on Electrical Power

First Page

33

Last Page

39

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