What are the advantages of DC transmission system over AC transmission system?
Capacitors and Reactors are used in transmission system to control voltage as given below. Select the correct choice:
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String efficiency of a suspension insulator string is cannot be improved by-
The current in a transmission line under no load conditions is due to:
The most commonly used insulation for cables in the low voltage to 33 kV range is:
Insulation resistance of a cable ________ with increase in temperature and _________ with increase in length.
In an AC transmission line difference in phase of voltage at two ends of the line is due to
The _________ faults are due to short circuits in conductors.
A fault occurs in the R phase of a solidly grounded unloaded alternator. The fault current IR1 and neutral current INare given
________ is not a method of high resistance interruption of arc extinction:
The most suitable circuit breaker for interrupting short line fault without resistance switching is: