A 440-V, 50-Hz, two-pole, Y-connected induction motor is rated at 75 kW. The equivalent circuit is shown in Figure 4.1 with its parameters are R₁ = 0.07592; R₁ = 0.06592; XM³ = 7.292 X₁ = 0.1792; X₂ = 0.1792; PF&w=1000W; Pmisc =150W; Peore = 5100W For a slip of 0.04, please find: (a) The line current I. (b) The stator power factor. (c) The rotor power factor. (d) The stator copper losses PSCL· (e) The air-gap power PAG (f) The power converted from electrical to mechanical form P (g) The induced torque Tind conv * (2) (2) (2) (6) • བ བ བ བྱེ 。 (6) (2) (4) (h) The load torque 7 load, the motor speed in revolutions per minute (r/min) and radians per second (rad/s). (i) The overall machine efficiency n. (9) (2) İA R₁ jx1 jX2 www R₂ ww jXM Figure 4.1 S R2 S
A 440-V, 50-Hz, two-pole, Y-connected induction motor is rated at 75 kW. The equivalent circuit is shown in Figure 4.1 with its parameters are R₁ = 0.07592; R₁ = 0.06592; XM³ = 7.292 X₁ = 0.1792; X₂ = 0.1792; PF&w=1000W; Pmisc =150W; Peore = 5100W For a slip of 0.04, please find: (a) The line current I. (b) The stator power factor. (c) The rotor power factor. (d) The stator copper losses PSCL· (e) The air-gap power PAG (f) The power converted from electrical to mechanical form P (g) The induced torque Tind conv * (2) (2) (2) (6) • བ བ བ བྱེ 。 (6) (2) (4) (h) The load torque 7 load, the motor speed in revolutions per minute (r/min) and radians per second (rad/s). (i) The overall machine efficiency n. (9) (2) İA R₁ jx1 jX2 www R₂ ww jXM Figure 4.1 S R2 S
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
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Transcribed Image Text:A 440-V, 50-Hz, two-pole, Y-connected induction motor is rated at 75 kW. The equivalent circuit is
shown in Figure 4.1 with its parameters are
R₁ = 0.07592;
R₁ = 0.06592; XM³
= 7.292
X₁ = 0.1792; X₂ = 0.1792;
PF&w=1000W; Pmisc =150W; Peore
= 5100W
For a slip of 0.04, please find:
(a) The line current I.
(b) The stator power factor.
(c) The rotor power factor.
(d) The stator copper losses PSCL·
(e) The air-gap power PAG
(f) The power converted from electrical to mechanical form P
(g) The induced torque Tind
conv *
(2)
(2)
(2)
(6)
• བ བ བ བྱེ 。
(6)
(2)
(4)
(h) The load torque 7 load, the motor speed in revolutions per minute (r/min) and radians per second
(rad/s).
(i) The overall machine efficiency n.
(9)
(2)
İA
R₁
jx1
jX2
www
R₂
ww
jXM
Figure 4.1
S
R2
S
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