1
GATE EE 2004
MCQ (Single Correct Answer)
+2
-0.6
The generalized circuit constants of a $$3$$-phase, $$220$$ $$kV$$ rated voltage, medium length transmission line are $$A = D = 0.936 + j\,0.016 = 0.936\angle {0.98^ \circ }$$
$$B = 33.5 + j138 = 142.0\angle {76.4^ \circ }\,\Omega $$
$$\,C = \left( { - 5.18 + j914} \right) \times \,{10^{ - 6}}\,\Omega $$
If the load at the receiving end is $$50$$ MW at $$220$$ $$kV$$ with a power factor of 0.9 lagging, then magnitude of line to line sending end voltage should be
A
$$133.23$$ $$kV$$
B
$$220.00$$ $$kV$$
C
$$230.78$$ $$kV$$
D
$$246.30$$ $$kV$$
2
GATE EE 2004
MCQ (Single Correct Answer)
+1
-0.3
The phase sequence of the $$3$$-phase system shown in figure is GATE EE 2004 Power System Analysis - Parameters and Performance of Transmission Lines Question 76 English
A
RYB
B
RBY
C
BRY
D
YBR
3
GATE EE 2004
MCQ (Single Correct Answer)
+1
-0.3
The rated voltage of a $$3$$-phase power system is given as
A
RMS phase voltage
B
PEAK phase voltage
C
RMS line to line voltage
D
PEAK line to line voltage
4
GATE EE 2004
MCQ (Single Correct Answer)
+1
-0.3
Total instantaneous power supplied by a $$3$$-phase ac supply to a balanced $$R$$-$$L$$ load is
A
Zero
B
Constant
C
Pulsating with zero average
D
Pulsating with non-zero average
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