| 摘要 |
For a load connected to the connection points of first and second mechanical bypass switches connected to first and second power supply systems, respectively, and a semiconductor switch connected in parallel to the second bypass switch, power is switched from the first power supply system to the second power supply system, the first bypass is opened, and a semiconductor switch is caused to conduct whereby current through the first bypass switch is commutated to flow through the semiconductor switch, and then, the second bypass switch is closed whereby the load is switched to be connected to the second power supply system. |
