11.2 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. PSPICE MULTISIM a) va = 180 cos 377t V, 180 cos(377t – 120°) V, Ve 180 cos(377t – 240°) V. b) va 180 sin 377t V, 180 sin(377t + 120°) V, 180 sin(377t – 120°) V. Ve c) va -400 sin 377t V, 400 sin(377t + 210°) V, 400 cos(377t – 30°) V. Ve %3D d) Va 200 cos(2000t + 30°) V, 201 cos(2000t + 150°) V, Ve 200 cos(2000t + 270°) V. 208 cos(630t + 42°) V, 208 cos(630t – 78°) V, 208 cos(630t - 201°) V. e) va %3D Ve f) Va 240 cos 377t V, 240 cos(377t - 120°) V, 240 cos(397t + 120°) V. %3D Ve =
11.2 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. PSPICE MULTISIM a) va = 180 cos 377t V, 180 cos(377t – 120°) V, Ve 180 cos(377t – 240°) V. b) va 180 sin 377t V, 180 sin(377t + 120°) V, 180 sin(377t – 120°) V. Ve c) va -400 sin 377t V, 400 sin(377t + 210°) V, 400 cos(377t – 30°) V. Ve %3D d) Va 200 cos(2000t + 30°) V, 201 cos(2000t + 150°) V, Ve 200 cos(2000t + 270°) V. 208 cos(630t + 42°) V, 208 cos(630t – 78°) V, 208 cos(630t - 201°) V. e) va %3D Ve f) Va 240 cos 377t V, 240 cos(377t - 120°) V, 240 cos(397t + 120°) V. %3D Ve =
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Kindly do last 3 parts
![11.2 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.
PSPICE
MULTISIM
a) va = 180 cos 377t V,
180 cos(377t – 120°) V,
Ve
180 cos(377t – 240°) V.
b) va = 180 sin 377t V,
180 sin(377t + 120°) V,
180 sin(377t – 120°) V.
Ve
c) va
-400 sin 377t V,
400 sin(377t + 210°) V,
400 cos(377t – 30°) V.
Ve
200 cos(2000t + 30°) V,
201 cos(2000t + 150°) V,
ve = 200 cos(2000t + 270°) V.
%3D
d) Va
e) va
208 cos(630t + 42°) V,
208 cos(630t – 78°) V,
208 cos(630t – 201°) V.
Ve
f) Va
240 cos 377t V,
240 cos(377t - 120°) V,
240 cos(397t + 120°) V.
%3D
Ve](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F57cf429e-6bf6-44a0-a019-a2209d79a7dd%2F712172e6-8344-4cab-9a2a-2cefbe4ef68d%2F7eqb91f_processed.jpeg&w=3840&q=75)
Transcribed Image Text:11.2 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.
PSPICE
MULTISIM
a) va = 180 cos 377t V,
180 cos(377t – 120°) V,
Ve
180 cos(377t – 240°) V.
b) va = 180 sin 377t V,
180 sin(377t + 120°) V,
180 sin(377t – 120°) V.
Ve
c) va
-400 sin 377t V,
400 sin(377t + 210°) V,
400 cos(377t – 30°) V.
Ve
200 cos(2000t + 30°) V,
201 cos(2000t + 150°) V,
ve = 200 cos(2000t + 270°) V.
%3D
d) Va
e) va
208 cos(630t + 42°) V,
208 cos(630t – 78°) V,
208 cos(630t – 201°) V.
Ve
f) Va
240 cos 377t V,
240 cos(377t - 120°) V,
240 cos(397t + 120°) V.
%3D
Ve
![Prob. 11.2 Note: some of the phases are expressed in terms of sine. You will have to
convert these to cosine.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F57cf429e-6bf6-44a0-a019-a2209d79a7dd%2F712172e6-8344-4cab-9a2a-2cefbe4ef68d%2Foueqnw_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Prob. 11.2 Note: some of the phases are expressed in terms of sine. You will have to
convert these to cosine.
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