Calculation of pressure waves in substation buildings due to arcing faults

The method presented to determine pressure stress of transient phenomena is able to eliminate some uncertainties in the design of substation buildings. Pressure stress from internal arcing includes static and dynamic phenomena. These phenomena can be distinguished with the help of the pulsation fact...

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Bibliographic Details
Published in:IEEE transactions on power delivery 1990-10, Vol.5 (4), p.1760-1765
Main Authors: Dasbach, A., Pietsch, G.J.
Format: Article
Language:English
Subjects:
240100 - Power Systems- (1990-)
Applied sciences
BUILDINGS
DESIGN
Electrical engineering. Electrical power engineering
Electrical power engineering
Equations
Exact sciences and technology
Fluid flow
Internal stresses
OPTIMIZATION
Power networks and lines
POWER SUBSTATIONS
POWER TRANSMISSION AND DISTRIBUTION
PRESSURE EFFECTS
Ray tracing
Shock waves
Substations
Switchgear
Thermal stresses
THREE-DIMENSIONAL CALCULATIONS
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Summary:The method presented to determine pressure stress of transient phenomena is able to eliminate some uncertainties in the design of substation buildings. Pressure stress from internal arcing includes static and dynamic phenomena. These phenomena can be distinguished with the help of the pulsation factor. The ray-tracing technique presented allows three-dimensional calculation of pressure stresses (including transient effects), thereby making improvements in the design of substation buildings possible. Two examples demonstrating the importance of pressure waves on the stress of rooms are presented.< >
ISSN:0885-8977
1937-4208
DOI:10.1109/61.103671