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Problem 1
An ideal balanced three-phase Y-connected generator with negative sequence is connected with a balanced three-phase-Wye-connected load. Calculate the total average power delivered to the Y-connected load. Calculate the total reactive power absorbed by the load. |
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AC Circuits >
Balanced Three-Phase >
Power
Keywords:
Length: 4:55
Date Added: 2007-07-30 09:41:13
Filename: ac_3phase_power_ex1_eng
ID: 406
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Problem 2
A balanced three-phase-Wye-connected load requires 270 W at a lagging power factor of 0.9. The load is fed by an ideal three-phase generator through a line having an impedance of 0.5+j1 Ω. The line voltage at the terminals of the load is 200 V. Calculate the complex power delivered by the generator. |
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AC Circuits >
Balanced Three-Phase >
Power
Keywords:
Length: 7:30
Date Added: 2007-07-30 11:35:29
Filename: ac_3phase_power_ex2_eng
ID: 407
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Problem 1
A balanced three-phase Y-connected generator with positive sequence is connected with a balanced three-phase-delta-connected load. Calculate the phase voltages at the load terminals. |
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AC Circuits >
Balanced Three-Phase >
Wye-Delta Connection
Keywords:
Length: 4:25
Date Added: 2007-07-30 13:42:36
Filename: ac_3phase_yd_ex1_eng
ID: 409
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Problem 1
A balanced three-phase Y-connected generator with positive sequence is connected with a balanced three-phase-connected load. a) Calculate the three line currents IaA, IbB, and IcC. b) Calculate the line voltages VAB, VBC, and VCA. |
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AC Circuits >
Balanced Three-Phase >
Wye-Wye Connection
Keywords:
Length: 5:45
Date Added: 2007-08-03 14:29:01
Filename: ac_3phase_yy_ex1_eng
ID: 443
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Problem 2
The phase voltage at the terminals of a balanced three-phase Y-Connected load is 200 V. Assume the phase sequence is positive and the internal impedance of the source is 1+j1 Ω per phase. For each phase, the load has an impedance of 100+j100 Ω and the line impedance is 2+j2 Ω. Find the internal phase-to-neutral voltages at the source. |
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AC Circuits >
Balanced Three-Phase >
Wye-Wye Connection
Keywords:
Length: 5:11
Date Added: 2007-08-03 14:29:06
Filename: ac_3phase_yy_ex2_eng
ID: 444
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Problem 1
The magnitude of the phase voltage of an ideal balanced three-phase Y-connected source is 400 V. The source is connected to a balanced Y-connected load through a line that has an impedance of 1+j5 Ω. The load is a 19 Ω resistor in series with an inductive reactance and the magnitude of the load voltage is 380 V. If the circuit is operating at the frequency of 60 Hz, determine the inductance of the load. |
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AC Circuits >
Balanced Three-Phase >
Voltages
Keywords:
Length: 5:36
Date Added: 2007-08-03 14:29:15
Filename: ac_3phase_voltage_ex1_eng
ID: 445
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Problem 1
Is the circuit a balanced three-phase system? Find I. |
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AC Circuits >
Balanced Three-Phase >
Introductory Concepts
Keywords:
Length: 2:44
Date Added: 2007-08-03 14:29:21
Filename: ac_3phase_intro_ex1_eng
ID: 446
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