High voltage dc transmission requires filters for
Current harmonics on ac side and voltage harmonics on dc side.
Voltage harmonics on ac side and Current harmonics on dc side.
Voltage harmonics on both ac and dc sides.
Current harmonics on both ac and dc sides.
In a 3-phase bridge rectifier circuit for HVDC transmission, the ratio of output dc voltage to input ac voltage is
In HVDC converter station equipment using thyristors it is necessary to use a large number of thyristors in series because
Current ratings of thyristors are low.
Voltage ratings of thyristors are low.
Thyristors always fail to an internal open circuit.
None of the above.
In the HVDC system, the ac harmonics which gets effectively eliminated with 12 pulse bridge converters, are
Triplen and 5th harmonics
Triplen, 5th and 7th harmonics
5th and 7th harmonics
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