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Ans [3.43A , 0.506 , 2.12A , 0.942] 3-phase induction motor has a resistance and standstill ely. The e.m.f. induced between the slip rings at standstill ced to a normal supply voltage. Find the rotor current and e rings are (i) short-circuited (ii) joined to star-connected Ans [18.25A, 0.16,7.76 , 0.91]

Ans [3.43A , 0.506 , 2.12A , 0.942] 3-phase induction motor has a resistance and standstill ely. The e.m.f. induced between the slip rings at standstill ced to a normal supply voltage. Find the rotor current and e rings are (i) short-circuited (ii) joined to star-connected Ans [18.25A, 0.16,7.76 , 0.91]

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Ans [3.43A , 0.506 , 2.12A , 0.942] Q16/ The star-connected rotor of a 3-phase induction motor has a resistance and standstill reactance 0.4 Q/phase respectively. The e.m.f. induced between the slip rings at standstill is 80V, the stator being connected to a normal supply voltage. Find the rotor current and power factor at starting when the rings are (i) short-circuited (ii) joined to star-connected Ans [18.25A , 0.16,7.76 , 0.91] resistance of 52/phase.
Transcribed Image Text:Ans [3.43A , 0.506 , 2.12A , 0.942] Q16/ The star-connected rotor of a 3-phase induction motor has a resistance and standstill reactance 0.4 Q/phase respectively. The e.m.f. induced between the slip rings at standstill is 80V, the stator being connected to a normal supply voltage. Find the rotor current and power factor at starting when the rings are (i) short-circuited (ii) joined to star-connected Ans [18.25A , 0.16,7.76 , 0.91] resistance of 52/phase.
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