After putting into operation one year, the domestic300 MW steam turbine needs to open one or two more governing valves to carry load under the same main steam parameters, reheat steam parameters and condenser vacuum.

• 某国产300mw机组投产运行1年后,在基本相同的主、热蒸汽参数和凝汽器真空下,带相同的负荷,需要比以前多开一至一个半调门。