%3D%3D11.2 For each set of voltages, state whether or not thevoltages form a balanced three-phase set. If theTM set is balanced, state whether the phase sequenceis positive or negative. If the set is not balanced,explain why.180cos 377t V,180 cos(377t- 120°) V,180 cos(377t-240°) V.180 sin 377t V,180 sin(377t + 120°) V,180 sin(377t- 120°) V.ILLE400 sin(377r + 210°) V,400cos(377t- 30°) V.LLE10002 01=201 cos(2000r + 150°) V,200 cos(2000t + 270°) V.208 cos(630f + 42°) V,208cos(630r-78°) V,208cos(630t 201") V.240 cos 377t V,3 240 cos(377t 120°) V,ve3D240 cos(397t + 120°) V.

For each set of voltages, state whether or not the voltages form a balanced three-phase set. If the set is balanced, state whether the phase sequence is positive or negative. If the set is not balanced, explain why. a () = 180 cos(377t 180 cos 377t V, 120°) V, = 180 cos(377t - 240°) V. a (q 180 sin(377t + 120°) V, 180 sin 377t V, %3D 180 sin(377t 120°) V. = "a () 400 sin(3771 + 210°) V, -400 sin 377t V, 400 cos(377t- 30°) V. 201 cos(2000r + 150°) V, 200 cos(2000t + 270°) V. Pa 208 cos(630t + 42°) V, "a (a "a p 208 cos(630t- 78°) V, ve = 208 cos(630t - 201°) V. 240 cos 377t V, 240 cos(377t- 120°) V, ve = 240 cos(397t + 120°) V.

For each set of voltages, state whether or not the voltages form a balanced three-phase set. If the set is balanced, state whether the phase sequence is positive or negative. If the set is not balanced, explain why. a () = 180 cos(377t 180 cos 377t V, 120°) V, = 180 cos(377t - 240°) V. a (q 180 sin(377t + 120°) V, 180 sin 377t V, %3D 180 sin(377t 120°) V. = "a () 400 sin(3771 + 210°) V, -400 sin 377t V, 400 cos(377t- 30°) V. 201 cos(2000r + 150°) V, 200 cos(2000t + 270°) V. Pa 208 cos(630t + 42°) V, "a (a "a p 208 cos(630t- 78°) V, ve = 208 cos(630t - 201°) V. 240 cos 377t V, 240 cos(377t- 120°) V, ve = 240 cos(397t + 120°) V.