The radial feeder to be protected is shown in Fig.1. The feeder current characteristics is presented in Table.1. 33 KV /
Posted: Tue Apr 26, 2022 2:57 pm
The radial feeder to be protected is shown in Fig.1. The feeder current characteristics is presented in Table.1. 33 KV / 11 kV 20 MVA 7% مر B С D E 60 A 0.60 1.10 2.3 0.8 Ո 30 A 60 A 30 A 33 kV 165 A 95 A 80 A 33 kV/11kV 20 MVA 7% Fig.1. Radial feeder to be protected. Calculate minimum and maximum fault levels at busbars A-E (i.e. complete Table.1) (25 marks) 33 kV short-circuit MVA SCMVAmax = 600 MVA SCMVAmin=0.8 x SCMVAmax