Load Flow Independent Method for Estimating Neutral Voltage in Three-Phase Power Systems

Henrique Pires Corrêa and Flávio Henrique Teles Vieira
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Henrique Pires Corrêa: Information and Communication Engineering Group—INCOMM, School of Electrical, Mechanical and Computer Engineering, Federal University of Goiás, Goiânia 74605-010, Brazil
Flávio Henrique Teles Vieira: Information and Communication Engineering Group—INCOMM, School of Electrical, Mechanical and Computer Engineering, Federal University of Goiás, Goiânia 74605-010, Brazil

Energies, 2019, vol. 12, issue 17, 1-9

Abstract: A precise modeling of three-phase power systems is of great importance due to its ability to represent load unbalance and asymmetry in system components. A further enhancement in power system modeling is the computation of neutral voltages, which has been frequently neglected in earlier works. In this Letter, a novel approximate method is proposed for estimating neutral voltages. The method has as its main advantage not requiring the use of load flow algorithms with explicit neutral conductor modeling, thus being applicable to available load flow results in which the neutral voltage was originally omitted.

Keywords: neutral voltage; load flow; grounding; approximate methods (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2019
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