Title

Unbalanced power in four-wire systems and its reactive compensation

Document Type

Article

Publication Date

2-1-2015

Abstract

Unbalanced power of three-phase stationary linear loads with a neutral conductor, supplied with sinusoidal symmetrical voltages and its reactive compensation, is the subject of this paper. A novel power equation of such loads is developed. The suggested power equation is based on the decomposition of the load current into Current Physical Components (CPC). This paper shows that all powers can be expressed in terms of the load parameters and this creates fundamentals for design of balancing reactive compensators capable of improving the power factor to unity. A reactive balancing compensator is composed, in general, of two compensators in the Δ and Y configuration. This paper presents a method of calculation of LC parameters of such a compensator using the CPC-based power theory.

Publication Source (Journal or Book title)

IEEE Transactions on Power Delivery

First Page

53

Last Page

63

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