1
GATE EE 1994
+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
+2
-0
The charging current of a $$400$$ kV transmission line is more than that of a $$220$$ kV line of the same length.
A
TRUE
B
FALSE
3
GATE EE 1994
Fill in the Blanks
+5
-0
The increase in resistance due to non-uniform distribution of current in a conducto $$r$$ is known as _______effect
4
GATE EE 1994
Numerical
+5
-0
In a system, there are two generators operating in parallel. One generator, of rating 250 MVA, has an inertia-constant of 6 MJ/MVA while the other generator of 150 MVA has an inertia-constant of 4 MJ/MVA. The inertia-constant for the combined system on 100 MVA common base is ________MJ/MVA.
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