1
GATE EE 1994
MCQ (Single Correct Answer)
+2
-0.6
Consider a three-phase, $$50$$ $$Hz$$, $$11$$ $$kV$$ distribution system. Each of the conductors is suspended by an insulator string having two identical porcelain insulators. The self capacitance of the insulator is $$5$$ times shunt capacitance. The voltage drop across botton most disc is:
A
$$3.46$$ $$kV$$
B
$$34.6$$ $$kV$$
C
$$346$$ $$kV$$
D
None
2
GATE EE 1994
True or False
+5
-0
In a power-system, the $$3$$-phase fault MVA is always higher than the single-line-ground fault MVA at a bus (State True or False)
A
TRUE
B
FALSE
3
GATE EE 1994
MCQ (Single Correct Answer)
+1
-0.3
HVDC transmission is preferred to EHV __ AC because
A
HVDC terminal equipment are inexpensive
B
VAR compensation is not required in HVDC systems
C
System stability can be improved.
D
Harmonics __ problem is avoided
4
GATE EE 1994
Subjective
+1
-0
If $$f(t)$$ is the step-response of a linear time-invariant system, then its impulse response is given by ___________