Consider the following advantages with
respect to HVDC transmission :
1.
Long distance transmission
2. Low cost of transmission
3. Higher efficiency
Which of the above advantages are correct?
1 and 2 only
1 and 3 only
2 and 3 only
1,2 and 3
1,2 and 3
If the line length is more
than 600 km HVDC is more economical than HVAC. So, HVDC is economical to
transmit bulk power for long distance.
Advantages of HVDC
transmission line :
1. Low cost of transmission
2. Higher efficiency
3. No skin effect
4. No stability problem
Hence, the correct option is
(D).
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