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Electrical Machines

Auto Transformer

Exams

GATE EE

Years

2022
2026

Subjects

Electrical Machines

Topics

Auto Transformer
DC Motor
DC Motor Speed Control
EMF Equation of Transformer
Electromechanical energy conversion principles
Induction Motor Rotor Frequency
Induction Motor Speed Control
Induction Motor Torque
Induction Motor in Running Conditions
Parallel Operation of Single Phase Transformer
Synchronous Generators: Excitation Control and V-Curves
Synchronous Machines: Frequency Changer Sets
Synchronous Motor Power
Synchronous Motors
Three Phase Transformer Basics
Three Phase Transformer Connections
Three phase induction motors
Transformer Core Losses
Types of losses and efficiency calculations of electric machines

List of top Electrical Machines Questions on Auto Transformer asked in GATE EE

A 15 kVA, 1100 V/220 V, single-phase two-winding transformer is configured as a 1.32 kV/1.1 kV autotransformer.

What will be the rating of the autotransformer?

GATE EE - 2026
GATE EE
Electrical Machines
Auto Transformer

A 20 MVA, 11.2 kV, 4-pole, 50 Hz alternator has an inertia constant of 15 MJ/MVA. If the input and output powers of the alternator are 15 MW and 10 MW, respectively, the angular acceleration in mechanical degree/s\(^2\) is _________. (round off to nearest integer)

GATE EE - 2022
GATE EE
Electrical Machines
Auto Transformer