Question: for the system shown below, design the complete oc protection using the idmt relays. thus, decide the ct ratios, the plug settings and the tms

for the system shown below, design the complete oc protection using the idmt relays. thus, decide the ct ratios, the plug settings and the tms at all locations. 115 A 1500 A 6000 A 80 A 1000 A 77 A

115 A 1500 A 6000 A 80 A 1000 A 77 A 585 A 70 390 A 1000 A 100 A Load Minimum fault current Maximum fault current 780 A 5000 A 3000 A 2000 A

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To design an Overcurrent OC protection system using Inverse Definite Minimum Time IDMT relays you need to decide on the Current Transformer CT ratios ... View full answer

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