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Q#1
Synchronous Machines
GATE EE 1999
MCQ
+2 marks
-0.66 marks
A three phase alternator is wound with a 60 degree phase-spread armature windings and develops 300 kVA. If the armature is reconnected utilizing all the coils for single phase operation with a phase spread of 180 degrees, the new rating of the machine is
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Browse Practice Questions by Chapters / Topics in Browse Practice Questions by Chapters / Topics in GATE Electrical Engineering
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| Topic | Questions | Attempted | Correct | |
|---|---|---|---|---|
| Network Analysis | 268 | 0 | 0 | |
| Signals and Systems | 168 | 0 | 0 | |
| Control Systems | 262 | 0 | 0 | |
| Analog Electronics | 186 | 0 | 0 | |
| Digital Electronics | 150 | 0 | 0 | |
| Electrical Machines | 399 | 0 | 0 | |
| Power Electronics | 243 | 0 | 0 | |
| Power Systems | 350 | 0 | 0 | |
| EMFT EE | 111 | 0 | 0 | |
| Measurement | 160 | 0 | 0 | |
| Engineering Mathematics | 236 | 0 | 0 | |
| General Aptitude | 221 | 0 | 0 |
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Induced EMF - Transformer
Equivalent Circuit - Transformer
Testing of a Transformer
Losses and Efficiency - Transformer
Voltage Regulation - Transformer
Three Phase Transformer
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Parallel Operation - Transformer
Harmonics in Transformer
DC Machines
81 Qs
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Construction of DC Machines
EMF and Torque Equation
Equivalent Circuit - DC Machines
Losses and Efficiency - DC Machines
Speed Control of DC Motor
Starting, Braking and Testing of DC Motor
Characteristics of DC machines
Electromechanical Energy Conversion
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84 Qs
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Voltage Regulation Methods
Equivalent Circuit - Synchronous Machines
Synchronous Impedance
Power Angle Equation
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Losses and Efficiency - Synchronous Machines
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Droop Characteristics
Salient Pole Machines
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Cascading of Machines
Contruction and Physical Phenomenon
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113 Qs
0 Att
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Construction and Rotating Magnetic Field
Equivalent Circuit - Induction Machines
Torque Slip Characteristics
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Stability of Induction Motor
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140 Qs
0 Att
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Short and Medium Transmission Line
Wave Nature of Long Transmission Line
Surges in Transmission Line
Power and ABCD Parameters
Voltage and Frequency Control
Power Factor Correction
UG Cables
Overhead Insulators
Corona
Distribution Systems
HVDC