The input current to a CO-8 relay is (10 mathrm{~A}). Determine the relay operating time for the
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The input current to a CO-8 relay is \(10 \mathrm{~A}\). Determine the relay operating time for the following current tap settings (TS) and time dial settings (TDS):
(a) \(\mathrm{TS}=1.0, \mathrm{TDS}=1 / 2\);
(b) \(\mathrm{TS}=2.0, \mathrm{TDS}=1.5\);
(c) \(\mathrm{TS}=2.0\), \(\mathrm{TDS}=7\);
(d) \(\mathrm{TS}=3.0, \mathrm{TDS}=7\); and
(e) \(\mathrm{TS}=12.0\), \(\mathrm{TDS}=1\).
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Power System Analysis And Design
ISBN: 9781305632134
6th Edition
Authors: J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
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