Definition of Powers and Power Qualitiy Factors at a Point of Common Coupling in Single-Phase System and Three-Phase System

Hyo-Sung Kim; Frede Blaabjerg; Birgitte Back-Jensen

Definition of Powers and Power Qualitiy Factors at a Point of Common Coupling in Single-Phase System and Three-Phase System

Hyo-Sung Kim

Frede Blaabjerg

Birgitte Back-Jensen

Vol. 2, No. 1, pp. 32-45, Jan. 2002

10.6113/JPE.2001.02.1.32

Definition

Powers

Power Quality Factors

p-q-r transformation

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Abstract

This paper proposes an unified definition of powers for various circuit conditions such as balanced/unbalanced, sinusoidal/non-sinusoidal, and linear/nonlinear, for single-phase systems and three-phase systems Conventional reactive power is more classified into an interactive power and an alternating power These powers are defined both m the time domain and the frequency domain consistently, and agree well with the conservation law Several important power quality factors are defined to measure and evaluate the power quality for the various circultc in the single-phase and three-phase systems. simulation results show the power quality factors can cvaluate and classify the various circuit conditions clearly.

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Cite this article

[IEEE Style]

H. Kim, F. Blaabjerg, B. Back-Jensen, "Definition of Powers and Power Qualitiy Factors at a Point of Common Coupling in Single-Phase System and Three-Phase System," Journal of Power Electronics, vol. 2, no. 1, pp. 32-45, 2002. DOI: 10.6113/JPE.2001.02.1.32.

[ACM Style]

Hyo-Sung Kim, Frede Blaabjerg, and Birgitte Back-Jensen. 2002. Definition of Powers and Power Qualitiy Factors at a Point of Common Coupling in Single-Phase System and Three-Phase System. Journal of Power Electronics, 2, 1, (2002), 32-45. DOI: 10.6113/JPE.2001.02.1.32.