2016
DOI: 10.5370/jeet.2016.11.3.781
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A 3-D Steady-State Analysis of Thermal Behavior in EHV GIS Busbar

Abstract: -Busbar has been used as electric conductor within extra high voltage (EHV) gas insulated switchgear (GIS), which makes EHV GIS higher security, smaller size and lower cost. However, the main fault of GIS is overheating of busbar connection parts, circuit breaker and isolating switch contact parts, which has been already restricting development of GIS to a large extent. In this study, a coupled magneto-flow-thermal analysis is used to investigate the thermal properties of GIS busbar in steady-state. A three-di… Show more

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Cited by 16 publications
(3 citation statements)
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“…Considering the magneto-hydro-thermal characteristics studied in the presented study, the steady state behavior can be modeled using the coupling form of Maxwell and Navier-Stoke (N-S) equation. The control equations are shown below [30,31].…”
Section: Methodsmentioning
confidence: 99%
“…Considering the magneto-hydro-thermal characteristics studied in the presented study, the steady state behavior can be modeled using the coupling form of Maxwell and Navier-Stoke (N-S) equation. The control equations are shown below [30,31].…”
Section: Methodsmentioning
confidence: 99%
“…Gas-insulated switchgear (GIS) is a high-voltage sealed switchgear that combines high-voltage electrical equipment together according to the main electrical connection, including circuit breakers, disconnectors, earthing switches, mutual inductors, busbars, and arresters. In recent years, GIS are widely used in power plants and power systems due to its advantages of small floor area, high operation reliability, and little interference from circumstance [1,2]. However, there also exist many troubles during GIS operations, and the thermal failure is one of the most common failures due to its closed and compact structures [3].…”
Section: Introductionmentioning
confidence: 99%
“…Its heat issues and power losses are analyzed by combining the electric-magnetic field and thermal-fluid field [2]. The air flow on temperature distribution is further discussed [3]. Joint bay of high voltage cables in power systems is another kind of enclosed equipment.…”
Section: Introductionmentioning
confidence: 99%