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This paper presents two new non-iterative approximations of the power flow in a network. Real and reactive power are simultaneously modelled in complex equations. Also, resistances are not set to zero. This is a generalization of the DC approximation, where only real power is modelled with zero line resistance. Hence the proposed approximations are more accurate than the DC approximation. The voltage lag over a link in a short, low voltage, network link is ten times as accurate as with the DC approximation. In the Appendix a new mathematical constant is introduced.

KEYWORDS

Power Flow Modeling, Non-Iterative Modeling, Taylor Expansion, Taylor Approximation,

Cite this paper

Cate, A. 2014 Simultaneous One-Step Approximations of Real and Reactive Power Flow. Journal of Power and Energy Engineering, 2, 28-33. doi: 10.4236-jpee.2014.210004.





Author: Arie Ten Cate

Source: http://www.scirp.org/



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