| 摘要 |
<p>PROBLEM TO BE SOLVED: To make a rotating machine drive system small in size and to cut cost of the rotating machine drive system.SOLUTION: A rotating machine drive system includes: a first heat-source heat exchanger 11 receiving a first heating medium, and evaporating an operating medium in a liquid state; a first expander 13 connected to a rotational shaft 23, and rotating the rotational shaft 23 by expansion of the operating medium evaporated by the first heat-source heat exchanger 11; a rotating machine 20 including a rotor unit 20a provided on the rotational shaft 23; a second heat-source heat exchanger 12 receiving a second heating medium, and evaporating an operating medium in the liquid state; a second expander connected to the rotational shaft 23, and rotating the rotational shaft 23 by expansion of the second heating medium; and a condenser 22 condensing the operating medium used in the first expander 13 and the operating medium used in the second expander 14.</p> |
