Original Research

Energy transfer in nonlinear electrical networks - a modern perception of electrical power

A. S. de Beer, J. D. van Wyk
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie | Vol 10, No 4 | a507 | DOI: https://doi.org/10.4102/satnt.v10i4.507 | © 1991 A. S. de Beer, J. D. van Wyk | This work is licensed under CC Attribution 4.0
Submitted: 08 July 1991 | Published: 08 July 1991

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A. S. de Beer,, South Africa
J. D. van Wyk,, South Africa

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Networks for electric power distribution contain many nonlinear elements in conversion equipment, loads and power electronic converters. This leads to distorted currents and voltages in the network. Several contributions regarding a general power theory for nonlinear networks are evaluated for determining the different power components. A new theoretical proposal for determining these components, including the concept of scattered current is discussed. The appli­cation of this theory to the control of distortion compensators in power networks is discussed in principle.


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