Effect of three-winding transformer models on the analysis and protection of mine power systems

Mathew P. Oommen; Jeffery L. Kohler

Effect of three-winding transformer models on the analysis and protection of mine power systems

Mathew P. Oommen, Jeffery L. Kohler

John and Willie Leone Department of Energy & Mineral Engineering (EME)

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

Computer-aided loadflow and fault analyses of mine power systems are routinely conducted to ascertain system performance and also to provide information to assist in the protection and coordination of these systems. Three-winding transformers are frequently encountered in mining applications, typically at continuous miner and longwall sections where there exists a need for dual utilization voltages. These transformers are often modelled as a three bus system neglecting the secondary to tertiary winding impedance and the effect of base changes. This paper analyzes the impact of more accurate transformer models on voltages and fault currents which are realized from loadflow and fault studies of mine power systems.

Original language	English (US)
Title of host publication	Manufacturing Systems Development and Applications Department
Editors	Anon
Publisher	Publ by IEEE
Pages	2429-2435
Number of pages	7
Volume	3
ISBN (Print)	078031462X
State	Published - 1993
Event	Proceedings of the 28th Annual Meeting of the IEEE Industry Applications Conference - Toronto, Ont, Can Duration: Oct 3 1993 → Oct 8 1993

Other

Other	Proceedings of the 28th Annual Meeting of the IEEE Industry Applications Conference
City	Toronto, Ont, Can
Period	10/3/93 → 10/8/93

All Science Journal Classification (ASJC) codes

Engineering(all)

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title = "Effect of three-winding transformer models on the analysis and protection of mine power systems",

abstract = "Computer-aided loadflow and fault analyses of mine power systems are routinely conducted to ascertain system performance and also to provide information to assist in the protection and coordination of these systems. Three-winding transformers are frequently encountered in mining applications, typically at continuous miner and longwall sections where there exists a need for dual utilization voltages. These transformers are often modelled as a three bus system neglecting the secondary to tertiary winding impedance and the effect of base changes. This paper analyzes the impact of more accurate transformer models on voltages and fault currents which are realized from loadflow and fault studies of mine power systems.",

author = "Oommen, {Mathew P.} and Kohler, {Jeffery L.}",

year = "1993",

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note = "Proceedings of the 28th Annual Meeting of the IEEE Industry Applications Conference ; Conference date: 03-10-1993 Through 08-10-1993",

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AU - Oommen, Mathew P.

AU - Kohler, Jeffery L.

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AB - Computer-aided loadflow and fault analyses of mine power systems are routinely conducted to ascertain system performance and also to provide information to assist in the protection and coordination of these systems. Three-winding transformers are frequently encountered in mining applications, typically at continuous miner and longwall sections where there exists a need for dual utilization voltages. These transformers are often modelled as a three bus system neglecting the secondary to tertiary winding impedance and the effect of base changes. This paper analyzes the impact of more accurate transformer models on voltages and fault currents which are realized from loadflow and fault studies of mine power systems.

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