(A) for transmission purpose
(B) for generation purpose
(C) for supplying DC machines
(D) for every use of transformer
Ans: (A) for transmission purpose
Explanation
An HVDC converter (transformer) converts electric power from high voltage alternating current (AC) to high-voltage direct current (HVDC), or vice versa. HVDC is used as an alternative to AC for transmitting electrical energy over long distances or between AC power systems of different frequencies.
