| 摘要 |
The prevent invention provides a steam turbine having a cross-over duct that can reduce a pressure loss occurring therein and is structured excellently in view of strength. In the steam turbine having a cross-over duct 10 for delivering steam discharged from an intermediate pressure turbine 5 to low pressure turbines 6 a, 6 b, the intermediate pressure turbine provides two outlets 13 a, 13 b for discharging exhaust steam, the low pressure turbine provides two inlets 14 a, 14 b, the outlets and the inlets are arranged on the same straight line as viewed from a planar direction, one of the outlets and one of the inlets which are in close position each other are connected through a cross-over duct 10 a, the other of the outlets and the other of the inlets which are in far position each other are connected through a cross-over duct 10 b, and the cross-over ducts are arranged to be at two stages in the up-down direction.
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