1
GATE EE 2003
MCQ (Single Correct Answer)
+1
-0.3
Curves X and Y in Figure denote open circuit and full-load zero power factor (zpf)
characteristics of asynchronous generator. Q is a point on the zpf characteristics
at 1.0 p.u. voltage. The vertical distance PQ in Figure gives the voltage drop
across


2
GATE EE 2003
MCQ (Single Correct Answer)
+1
-0.3
A stand-alone engine driven Synchronous generator is feeding a partly inductive
load. A capacitor is now connected across the load to completely nullify the
inductive current. For this operating condition.
3
GATE EE 2001
MCQ (Single Correct Answer)
+1
-0.3
Figure shows the magnetization curves of an alternator at rated armature
current, unity power factor and also at no load. The magnetization curve for rated
armature current, 0.8 power factor leading is given by


4
GATE EE 2001
MCQ (Single Correct Answer)
+1
-0.3
Xd, Xd' and Xd" are steady stated-axis synchronous reactance, transient d-axis
reactance and sub-transient d-axis reactance of a synchronous machine
respectively. Which of the following statements is true?
GATE EE Subjects
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Electric Circuits
Electrical Machines
Engineering Mathematics
Signals and Systems
Power Electronics
Power System Analysis
Digital Electronics
Analog Electronics
Electromagnetic Fields
Control Systems
Electrical and Electronics Measurement
General Aptitude