REGULATION CHART 15 



7. Find the per cent regulation and the voltage drop of the fol- 

 lowing line: 



Length of line 75 miles. 



Spacing, 8 feet, regular flat spacing. 



Conductor No. oo aluminum cable. 



Load (at receiver end), 10,000 K.V.A., 



88,000 volts, 85% P.F., three phase, 25 cycles. 

 [Ans. 7-36% Reg'n., 7.15% line drop, calc. 7.35% Reg'n., 7-13% 



line drop (Chap. V, Prob. 3).] 



8. Find the K.V.A. which can be delivered at the end of the fol- 

 lowing line, with 10% regulation, at 75% and at 90% P.F.: 



Length of line 100 miles. 



Spacing 10 feet. 



Conductor No. oooo aluminum cable. 



Receiver voltage 110,000 volts, three phase, 



60 cycles. 

 [Ans. 14,300 K.V.A., 16,300 K.V.A.] 



