HVDC transmission is preferred to EHV AC because
(a) HVDC terminal equipments are inexpensive
(b) VAR compensation is not required in HVDC systems
(c) System stability can be improved
(d) Harmonic problem is avoided
(a) HVDC terminal equipments are inexpensive
(b) VAR compensation is not required in HVDC systems
(c) System stability can be improved
(d) Harmonic problem is avoided