| 摘要 |
PROBLEM TO BE SOLVED: To provide a power supply capable of supplying power with a small fluctuation to a load, with smooth activation of an internal combustion engine using an electric power storage in the event of a blackout.SOLUTION: A power supply 1 includes: a power storage device 4 for storing power; an electric generator 5 for supplying power to a load 10 by the internal combustion engine when a commercial power supply is lost; a first switch SW1 for switching between a commercial power supply 2 and the electric generator 5; a first power converter 7 for converting the AC power of the commercial power supply 2 or the electric generator 5 into DC power; a bidirectional DC/DC converter 8 for converting a DC voltage; a second power converter 9 for converting DC into AC; a second power converter 9 for converting the DC power from the first power converter 7 or the bidirectional DC/DC converter 8 into AC power; and a second switch SW2 for switching between the second power converter 9 and the commercial power supply 2. |
