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Below is a time current curve (TCC), showing the damage curve of a transformer. Draw (roughly), where we would want a fuse curve to be to protect the transformer

Below is a time current curve (TCC), showing the damage curve of a transformer. Draw (roughly), where we would want a fuse curve to be to protect the transformer

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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D3 . Below is a time current curve (TCC), showing the damage curve of a transformer. Draw (roughly), where we would want a fuse curve to be to protect the transformer
CURRENT IN AMPERES 10000 TIME SCALE ABOVE 100O SECO NDS TYP ICALLY NOT SHOWN) 1000 FLA 100 SECO NDA RY-SIDE THERMAL LIMITCURVE PRIMARY-SIDE THERMAL LIMITCURVE SECO NDA RY-SIDE 10 PRIMARY-SIDE MECHANICAL DAMAG ECURVE MEC HANICAL DAMAGE CCURVE (TYP ICALLY NOT SHO WN) 1 INRUSH 12 x FLA @ O.1 SECONDS 0.10 NOTES: 1.ALL LAND MARKS ARE BASED ON THE NOMINAL KVA RATING. 2. LANDMARKSARE BASED ONA D-YG CO NNECTED UNIT. INRUSH 25 x FLA @ 001SECO NDS TYPICALLY NOTSHOWN) ||||||| 0.01 0.5 1 10 100 1K 10K Example 1.tcc Ref. Voltage: 4160 Current Scale x10^1 TIME IN SECONDS
Transcribed Image Text:CURRENT IN AMPERES 10000 TIME SCALE ABOVE 100O SECO NDS TYP ICALLY NOT SHOWN) 1000 FLA 100 SECO NDA RY-SIDE THERMAL LIMITCURVE PRIMARY-SIDE THERMAL LIMITCURVE SECO NDA RY-SIDE 10 PRIMARY-SIDE MECHANICAL DAMAG ECURVE MEC HANICAL DAMAGE CCURVE (TYP ICALLY NOT SHO WN) 1 INRUSH 12 x FLA @ O.1 SECONDS 0.10 NOTES: 1.ALL LAND MARKS ARE BASED ON THE NOMINAL KVA RATING. 2. LANDMARKSARE BASED ONA D-YG CO NNECTED UNIT. INRUSH 25 x FLA @ 001SECO NDS TYPICALLY NOTSHOWN) ||||||| 0.01 0.5 1 10 100 1K 10K Example 1.tcc Ref. Voltage: 4160 Current Scale x10^1 TIME IN SECONDS
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