| 摘要 |
PROBLEM TO BE SOLVED: To provide a changeover method using a changeover device of two systems of an HVDC system, in HVDC including at least two systems.SOLUTION: In a changeover method of an HVDC system, a first system is set to an active state. A ready signal is transmitted from the first system to a first changeover device. A ready detection signal and an active signal are transmitted to the first system in response to the ready signal. A confirm signal is transmitted to the first system in response to the active signal when the ready detection signal matches the ready signal. |
