Problem 3 A 3-phase, 50 HP, 415Vrms (line-to-line), 50HZ, 4-pole Y-connected induction machine has the following equivalent circuit parameters: Rs = 0.15625ohm Rr'= 0.185ohm Xm = 17.75ohm XI1= 0.7825ohm X12'= 0.7825ohm Rc = 148.75ohm If the machine is operating as a generator at the rated conditions (50 HP mechanical power and 415V terminal voltage), find, a) The slip. the slip in % is: b) Input torque. the input torque in N.m c) the stator current amplitude. the current in A is d) The rotor speed in rpm the rotor speed in rpm is
Problem 3 A 3-phase, 50 HP, 415Vrms (line-to-line), 50HZ, 4-pole Y-connected induction machine has the following equivalent circuit parameters: Rs = 0.15625ohm Rr'= 0.185ohm Xm = 17.75ohm XI1= 0.7825ohm X12'= 0.7825ohm Rc = 148.75ohm If the machine is operating as a generator at the rated conditions (50 HP mechanical power and 415V terminal voltage), find, a) The slip. the slip in % is: b) Input torque. the input torque in N.m c) the stator current amplitude. the current in A is d) The rotor speed in rpm the rotor speed in rpm is
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![Problem 3
A 3-phase, 50 HP, 415Vrms (line-to-line),
50HZ, 4-pole Y-connected induction
machine has the following equivalent
circuit parameters:
Rs = 0.15625ohm
Rr'= 0.185ohm
Xm = 17.75ohm
XI1= 0.7825ohm
X12'= 0.7825ohm
Rc = 148.75ohm
If the machine is operating as a generator at
the rated conditions (50 HP mechanical
power and 415V terminal voltage), find,
a) The slip.
the slip in % is:
b) Input torque.
the input torque in N.m
c) the stator current amplitude.
the current in A is
d) The rotor speed in rpm
the rotor speed in rpm is](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fcb082cb0-2d3d-4033-a1ba-cea109fbb4a3%2F85c0f617-2da7-429c-983f-142b2c02f1f6%2Frg0h1t.jpeg&w=3840&q=75)
Transcribed Image Text:Problem 3
A 3-phase, 50 HP, 415Vrms (line-to-line),
50HZ, 4-pole Y-connected induction
machine has the following equivalent
circuit parameters:
Rs = 0.15625ohm
Rr'= 0.185ohm
Xm = 17.75ohm
XI1= 0.7825ohm
X12'= 0.7825ohm
Rc = 148.75ohm
If the machine is operating as a generator at
the rated conditions (50 HP mechanical
power and 415V terminal voltage), find,
a) The slip.
the slip in % is:
b) Input torque.
the input torque in N.m
c) the stator current amplitude.
the current in A is
d) The rotor speed in rpm
the rotor speed in rpm is
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