Why HVDC line do not require any reactive power compensation?

Answer: HVDC lines do not require any reactive power compensation because of following reason
1. There is no charging current in HVDC line.
2. HVDC lines operates on unity power factor.

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Interview Questions
MCQ or objective

Yes .At terminal ends HVDC transmission requires reactive power compensation.
By HVDC transmission we cannot transmit reactive power.
And at terminal ends  there are converters( Rectifier and Inverter). For this converter reactive power is needed. Specifically at the load end,  there should be reactive power compensation for load requirements.

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