Factors affecting transient overvoltages of electric submersible pumps

descriptionPublicationkeyboard_double_arrow_right Article 01 Sep 2006Publisher:Institute of Electrical and Electronics Engineers (IEEE)Journal:IEEE Potentials, volume 25, pages 13-17 (issn: 0278-6648,

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Authors: I.A. Metwally; A. Gastli;

doi: 10.1109/mp.2006.1692279

Factors affecting transient overvoltages of electric submersible pumps

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Abstract

This article presents a theoretical simulation and analysis of all possible factors due to transient overvoltages (TOVs) that could contribute to electrical failures of electric submersible pump (ESP) motors used in oil fields. A transient calculations software package PSCAD is used to simulate a single cable-fed, 3.3-kV induction motor including the mains of the 33-kV distribution system. The factors studied are cable length, earthing resistance and parameters (insulation permittivity and permeability), opening time of CB and its location, switching via pre-insertion resistance, characteristics of the TVSS and its internal structure, and transformer connections and ratings

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