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Q#1
Load Flow Analysis
GATE EE 2026
MCQ
+2 marks
-0.66 marks
A three-phase two-winding transformer has a voltage transformation ratio , where is the primary side voltage in p.u., and is the secondary side voltage in p.u. and represent the currents injected into the primary and secondary sides of the transformer, respectively. The admittance corresponding to the leakage impedance of the transformer referred to the secondary is p.u. Neglect the magnetizing branch.
The Y bus representation of this transformer is:
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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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112 Qs
0 Att
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Induced EMF - Transformer
Equivalent Circuit - Transformer
Testing of a Transformer
Losses and Efficiency - Transformer
Voltage Regulation - Transformer
Three Phase Transformer
Auto Transformer
Parallel Operation - Transformer
Harmonics in Transformer
DC Machines
81 Qs
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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
Parallel Operation - Synchronous Machines
Losses and Efficiency - Synchronous Machines
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Droop Characteristics
Salient Pole Machines
Synchronous Motor
Cascading of Machines
Contruction and Physical Phenomenon
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113 Qs
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Equivalent Circuit - Induction Machines
Torque Slip Characteristics
Power and Efficiency
Tests on an Induction Motor
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Stability of Induction Motor
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140 Qs
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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