Is local protection provided

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Reference no: EM132981816

Question: in the figure below

S1, S2 ,|S4 I.t = 22.6 I=current, t=time

S3 I.t=16.5

And CTRs=400/5

Now with F2 in the form of short circuit to ground

A) which Keys work? And what time? specify which of the switches will disconnect? And what time?

2. Is local protection provided or not?

(Note that only X is in pm and the rest is ohm)

Reference no: EM132981816

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