Electrical Engineering Questions and Answers November 24, 2019

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 585 A 70 390 A 1000 A 100 A Load Minimum fault current Maximum fault current 780 A 5000 A 3000 A 2000 A

. In a WYE connected circuit the current is 10 Amperes per phase. What is the line current?

3.In a WYE connected circuit, if the line-to-line voltage is 346 Volts, rms, what is the line-to-neutral voltage?

50x) a, Vm. Calculate 20 cos (wt In free space, E (a) J (b) (c)