1
GATE EE 2010
MCQ (Single Correct Answer)
+2
-0.6
The zero-sequence circuit of the three phase transformer shown in the figure is GATE EE 2010 Power System Analysis - Symmetrical Components and Symmetrical and Unsymmetrical Faults Question 14 English
A
GATE EE 2010 Power System Analysis - Symmetrical Components and Symmetrical and Unsymmetrical Faults Question 14 English Option 1
B
GATE EE 2010 Power System Analysis - Symmetrical Components and Symmetrical and Unsymmetrical Faults Question 14 English Option 2
C
GATE EE 2010 Power System Analysis - Symmetrical Components and Symmetrical and Unsymmetrical Faults Question 14 English Option 3
D
GATE EE 2010 Power System Analysis - Symmetrical Components and Symmetrical and Unsymmetrical Faults Question 14 English Option 4
2
GATE EE 2010
MCQ (Single Correct Answer)
+2
-0.6
A three-phase, $$33$$ kV oil circuit breaker is rated $$1200$$ A, $$2000$$ MVA, $$3$$s. The symmetrical breaking current is
A
$$1200$$ A
B
$$3600$$ A
C
$$35$$ kA
D
$$104.8$$ kA
3
GATE EE 2010
MCQ (Single Correct Answer)
+2
-0.6
Consider a stator winding of an alternator with an internal high resistance ground fault. The currents under the fault condition are as shown in the figure. The winding is protected using a differential current scheme with current transformers of ratio $$400/5$$ $$A$$ as shown. The current through the operating coil is GATE EE 2010 Power System Analysis - Switch Gear and Protection Question 7 English
A
$$0.1875$$ $$A$$
B
$$0.2$$ $$A$$
C
$$0.375$$ $$A$$
D
$$60$$ $$kA$$
4
GATE EE 2010
MCQ (Single Correct Answer)
+1
-0.3
Power is transferred from system $$A$$ to system $$B$$ by an $$HVDC$$ link as shown in the figure. If the voltage $${V_{AB}}$$ and $${V_{CD}}$$ are as indicated in the figure, and 1 > 0, then GATE EE 2010 Power System Analysis - High Voltage Dc Transmission Question 2 English
A
$${V_{AB}}\, < \,0,\,\,{V_{CD}}\, < 0,\,\,{V_{AB}}\, > \,{V_{CD}}$$
B
$${V_{AB}}\, > \,0,\,\,{V_{CD}}\, > 0,\,\,{V_{AB}}\, < \,{V_{CD}}$$
C
$${V_{AB}}\, > \,0,\,\,{V_{CD}}\, > 0,\,\,{V_{AB}}\, > \,{V_{CD}}$$
D
$${V_{AB}}\, > \,0,\,\,{V_{CD}}\, < 0,\,\,{V_{AB}}\, > \,{V_{CD}}$$
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