| 摘要 |
A combined cycle power plant generally comprises a gas turbine power facility, a heat recovery steam generator, a steam turbine power facility, and an existing boiler. The power generation plant further comprises a system for introducing steam, which is generated in the heat recovery steam generator and the existing boiler, to the steam turbine of the steam turbine power facility through steam lines, which extend from the existing boiler and heat recovery steam generator and are then joined together, and a system for causing a line, which is arranged on a downstream side of a condenser provided in the steam turbine power facility, to branch off into feedwater lines, and supplying condensed water condensed by the condenser into the heat recovery steam generator and the existing boiler.
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