Power transfer computations for medium voltage AC link by imposing rated current at sending end

Conference paper (2016)

Authors

A. Shekhar DC systems, Energy conversion & Storage -

E. Kontos DC systems, Energy conversion & Storage -

L.M. Ramirez Elizondo DC systems, Energy conversion & Storage -

A. R. Mor DC systems, Energy conversion & Storage -

P. Bauer DC systems, Energy conversion & Storage -

Research Group

DC systems, Energy conversion & Storage () (TU Delft)

Analysis Cable Distribution grid Capacity Reactive power Impedance Voltage control Medium voltage Capacitance Conductors Power cables Ac link Medium voltage receiving end Sending end Transmitted power

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Published Date

2016

Language

English

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Faculty

Electrical Engineering, Mathematics and Computer Science

Department

Electrical Sustainable Energy

Research Group

DC systems, Energy conversion & Storage

Abstract

This paper derives the mathematical expressions for computation of the load impedance magnitude, such that rated cable current is imposed at the sending end, with sending end voltage as the reference phasor. Thereby, the variation in
maximum power transferred to the receiving end of a medium voltage cable link is described for varying link length, conductor cross-sectional area and load power factor. The percentage error in transmitted power computation due to simplification
by neglecting the cable capacitance is quantified. The merit of the developed theory for future use is highlighted.