(单选题)30: _____ can provide an asynchronous link between two ac electric power system with different nominal frequencies.
A: The HVDC (high voltage DC) transmission
B: The EHV (extra-high voltage) AC transmission
C: The AC distribution
(
单选题)30: _____ can provide an asynchronous link between two ac electric power system with different nominal frequencies.
A: The HVDC (high voltage DC) transmission
B: The EHV (extra-high voltage) AC transmission
C: The AC distribution
D: Generators
(责任编辑：admin)
有不懂可以加客服微信：vq800020900 咨询
