Choose the
INCORRECT statement with respect to DC transmission systems.
The potential stress on the insulation is less in case of a DC system
than that in case of an AC system, for the same working voltage.
Electric
power can be generated at a high DC voltage for a DC transmission system.
There is no
skin effect is the transmission line in a DC transmission system.
It has less
corona loss and reduced interference with communication circuits.
Electric
power can be generated at a high DC voltage for a DC transmission system.
DC
transmission system have many advantage over transmission line
1. Less
corona loss
2. Reduced
interference
3. No skin
effect
4. Less
costly for long transmission line
5. Potential
stress on the insulation is less in case of DC system.
Disadvantage
: Electric power can be generated at a high DC voltage for a DC transmission
system.
Hence, the
correct option is (B).
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