Short Circuit Calculations: Basic Calculations and Transformer Sizing
Date Submitted: 07/27/2002 20:37:11
Category: / Science & Technology / Engineering
Length: 7 pages (1818 words)
Category: / Science & Technology / Engineering
Length: 7 pages (1818 words)
Short Circuit Capacity: Basic Calculations and Transformer Sizing
Short circuit capacity calculation is used for many applications: sizing of transformers,
selecting the interrupting capacity ratings of circuit breakers and fuses, determining if a
line reactor is required for use with a variable frequency drive, etc.
The purpose of the presentation is to gain a basic understanding of short circuit capacity.
The application example utilizes transformer sizing for motor loads.
Conductor impedances and their associated voltage …
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…by Cutler-Hammer,
Division of Eaton Corporation, Pittsburgh, PA.
[2] "Short Circuit Capacity and Voltage Sag," IEEE (Institute of Electrical and Electronic
Engineers) Industry Application Society (IAS) Magazine, July/August 2000, page 38. You
might find this magazine in universities which have Electrical Enginneering programs.
Do not get it confused with IEEE Transactions on Industry Applications which is a
different publication.
[3] "Power Distribution Products" Catalog ATD-01, Acme Electric Corporation, 1995,
page 125.
Power Quality and Drives LLC
http://www.powerqualityanddrives.com
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