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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

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

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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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
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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