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1
GATE EE 1999
MCQ (Single Correct Answer)
+1
-0.3
Higher synchronous reactance is preferred in the present day alternators, because one can have
A
reduced sub-transient currents
B
reduced harmonic currents
C
reduced transient currents
D
higher voltage regulation with load
2
GATE EE 1998
MCQ (Single Correct Answer)
+1
-0.3
A synchronous generator connected to an infinite bus is overexcited. Considering only the reactive power, from the point of view of the system, the machine acts as
A
a capacitor
B
an inductor
C
a resistor
D
None of the above
3
GATE EE 1996
MCQ (Single Correct Answer)
+1
-0.3
In Figure. The characteristic that corresponds to the variation of synchronous reactance of synchronous motor with field current is GATE EE 1996 Electrical Machines - Synchronous Machines Question 11 English
A
curve $${\rm I}$$
B
curve $${\rm I}$$$${\rm I}$$
C
curve $${\rm I}$$$${\rm I}$$$${\rm I}$$
D
curve $${\rm IV}$$
4
GATE EE 1996
MCQ (Single Correct Answer)
+1
-0.3
During hunting of synchronous motor
A
negative phase sequence currents are generated
B
harmonics are developed in the armature circuit
C
damper bar develops torque
D
field excitation increases
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Digital Electronics
Boolean Algebra Combinational Circuits Logic Gates Logic Families and Memories Minimization Sequential Circuits Analog to Digital and Digital to Analog Converter Microprocessor
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Time Response Analysis State Variable Analysis Basics of Control System Root Locus Techniques Block Diagram and Signal Flow Graph Controller and Compensator Polar Nyquist and Bode Plot Routh Hurwitz Stability
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Power System Stability Load Flow Studies Parameters and Performance of Transmission Lines High Voltage Dc Transmission Circuit Breaker Symmetrical Components and Symmetrical and Unsymmetrical Faults Per Unit System Power Generation Cost Switch Gear and Protection Generating Power Station
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Operational Amplifier 555 Timer Small Signal Modeling Bjt and Mosfet Biasing Diode Circuits and Applications Feedback Amplifiers and Oscillator Circuits Frequency Response
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Three Phase Circuits Two Port Networks Network Theorems Sinusoidal Steady State Analysis Graph Theory Transient Response Network Elements
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Potentiometer and Instrument Transformers Measurement of Resistance and A.C Bridges Measurement of Energy and Power Cathode Ray Oscilloscope Digital Voltmeters Questions Basic of Indicating Instruments Error Analysis and Measurement
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Continuous Time Signal Fourier Transform Miscellaneous Discrete Time Signal Z Transformation Continuous Time Periodic Signal Fourier Series Continuous and Discrete Time Signals Continuous Time Signal Laplace Transform Linear Time Invariant Systems Sampling Theorem
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Synchronous Machines Transformers D.C Machines Induction Machines
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Vector Calculus Calculus Transform Theory Probability and Statistics Differential Equations Linear Algebra Numerical Methods Complex Variable
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Verbal Ability Logical Reasoning Numerical Ability
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