Electrical problems for engineering students (1902)
Hooper, William Leslie, 1855-1918, Wells, Roy Titus, 1873- joint author · Boston and London, Ginn & Company · leaf 79
30 / ^y / / y LiL 40 Fig. 8 Fig. 9 … Fig. 10 5. An unbalanced 3 phase system has currents in the 3 legsof 4, 5, and 7 amperes, respectively, differing in phase by 120°.What is the current in a fourth conductor serving as a commonreturn ? Suggestion Solve by the method of rectangular coordinates, as described in Chapter XIV, page 66.…
Electricity
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