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1. A four-pole three-phase permanent-magnet ac motor ha5% 4Q, Lss 0.01 H. The motor is operating ...
2. Consider the four-pole two-phase permanent-magnet ac machine with the parameters r: 3.40 Lss-1...
2. Consider the four-pole two-phase permanent-magnet ac machine with the parameters r: 3.40 Lss-121mH, and Am-0.0826 V . the rotor is driven at arm- s/rad, The stator windings are short circuited and 100 T. Calculate igs, Ids and las.
2. Consider the four-pole two-phase permanent-magnet ac machine with the parameters r: 3.40 Lss-121mH, and Am-0.0826 V . the rotor is driven at arm- s/rad, The stator windings are short circuited and 100 T. Calculate igs, Ids and las.
2. Consider the four-pole two-phase permanent-magnet ac machine with the parameters rs3.42, Lss 1...
2. Consider the four-pole two-phase permanent-magnet ac machine with the parameters rs3.42, Lss 12.1 mH, and 4m = 0.0826 V . s/rad. The stator windings are short circuited and the rotor is driven at arm-as. 100 T. Calculate las, lds and i Answer 3271A, (as-2438A)
2. Consider the four-pole two-phase permanent-magnet ac machine with the parameters rs3.42, Lss 12.1 mH, and 4m = 0.0826 V . s/rad. The stator windings are short circuited and the rotor is driven at arm-as....
3. Measuring the rotor permanent-magnet flux Am of a permanent-magnet machine. The parameters of ...
3. Measuring the rotor permanent-magnet flux Am of a permanent-magnet machine. The parameters of a four-pole two-phase permanent-magnet ac machine are rs 3.42, Lis1.1mH and Lms = 11mH. When the device is driven at 1000 r/min, the open-circuit phase voltage vas is sinusoidal with a peak value of 17.3 V. Determine the rotor permanent-magnet flux Am (Hint: use the stator voltage equation: vas-gias + ddas and flux linkage equation: λα,-Lsslas + λmsína, where as 0) Answer: 4m-0.0826 V·s/rad
3. Measuring...
2. Consider the four-pole two-phase permanent-magnet ac machine with the parameters rs 3.42, ,-12...
2. Consider the four-pole two-phase permanent-magnet ac machine with the parameters rs 3.42, ,-12.1mH, and λm-0.0826 V . s/rad. The stator windings are short circuited and the rotor is driven at wrm 1 Tt. Calculate igs, ids and ias. 3 Answer: ligs-3.271A, ids-2.438A]
2. Consider the four-pole two-phase permanent-magnet ac machine with the parameters rs 3.42, ,-12.1mH, and λm-0.0826 V . s/rad. The stator windings are short circuited and the rotor is driven at wrm 1 Tt. Calculate igs, ids...
Problem 1 (25 points) The parameters of a 6-pole, 2-phase, permanent-magnet ac machine are: 10mH =...
Problem 1 (25 points) The parameters of a 6-pole, 2-phase, permanent-magnet ac machine are: 10mH = 2Ω,4,-1 mH, Lm,- Calculate the angular rotor velocity wrm and the electrical angular velocity wr. (4 points) [Update: use part (i) for the operating condition.] (i) s given that the open-circuit phase voltage is sinusoidal with a peak-to-peak value of 40 V, when the device is driven at 1200 r/min. Calculate λ,n, (8 points) Alternatively-when the stator windings of the permanent-magnet ac machine are...
1. A 20 hp, 230 V, 60 Hz, four-pole, three-phase induction motor operating at rated load...
1. A 20 hp, 230 V, 60 Hz, four-pole, three-phase induction motor operating at rated load has rotor copper loss of 331 W, and a combined friction, windage, and stray power loss of 249 W. Determine, (a) Mechanical power developed; (b) Air-gap power; (c) Shaft speed; (d) Shaft torque (10 pts.)
2. Consider the four-pole two-phase permanent-magnet ac machine with the parameters r: 3.40 Lss-121mH, and Am-0.0826 V . the rotor is driven at arm- s/rad, The stator windings are short circuited and 100 T. Calculate igs, Ids and las.
2. Consider the four-pole two-phase permanent-magnet ac machine with the parameters r: 3.40 Lss-121mH, and Am-0.0826 V . the rotor is driven at arm- s/rad, The stator windings are short circuited and 100 T. Calculate igs, Ids and las.
2. Consider the four-pole two-phase permanent-magnet ac machine with the parameters rs3.42, Lss 12.1 mH, and 4m = 0.0826 V . s/rad. The stator windings are short circuited and the rotor is driven at arm-as. 100 T. Calculate las, lds and i Answer 3271A, (as-2438A)
2. Consider the four-pole two-phase permanent-magnet ac machine with the parameters rs3.42, Lss 12.1 mH, and 4m = 0.0826 V . s/rad. The stator windings are short circuited and the rotor is driven at arm-as....
3. Measuring the rotor permanent-magnet flux Am of a permanent-magnet machine. The parameters of a four-pole two-phase permanent-magnet ac machine are rs 3.42, Lis1.1mH and Lms = 11mH. When the device is driven at 1000 r/min, the open-circuit phase voltage vas is sinusoidal with a peak value of 17.3 V. Determine the rotor permanent-magnet flux Am (Hint: use the stator voltage equation: vas-gias + ddas and flux linkage equation: λα,-Lsslas + λmsína, where as 0) Answer: 4m-0.0826 V·s/rad
3. Measuring...
2. Consider the four-pole two-phase permanent-magnet ac machine with the parameters rs 3.42, ,-12.1mH, and λm-0.0826 V . s/rad. The stator windings are short circuited and the rotor is driven at wrm 1 Tt. Calculate igs, ids and ias. 3 Answer: ligs-3.271A, ids-2.438A]
2. Consider the four-pole two-phase permanent-magnet ac machine with the parameters rs 3.42, ,-12.1mH, and λm-0.0826 V . s/rad. The stator windings are short circuited and the rotor is driven at wrm 1 Tt. Calculate igs, ids...
Problem 1 (25 points) The parameters of a 6-pole, 2-phase, permanent-magnet ac machine are: 10mH = 2Ω,4,-1 mH, Lm,- Calculate the angular rotor velocity wrm and the electrical angular velocity wr. (4 points) [Update: use part (i) for the operating condition.] (i) s given that the open-circuit phase voltage is sinusoidal with a peak-to-peak value of 40 V, when the device is driven at 1200 r/min. Calculate λ,n, (8 points) Alternatively-when the stator windings of the permanent-magnet ac machine are...
1. A 20 hp, 230 V, 60 Hz, four-pole, three-phase induction motor operating at rated load has rotor copper loss of 331 W, and a combined friction, windage, and stray power loss of 249 W. Determine, (a) Mechanical power developed; (b) Air-gap power; (c) Shaft speed; (d) Shaft torque (10 pts.)
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