Steam turbine with heating steam extraction and power plant with steam turbine

A steam turbine with heating steam extraction, the turbine comprising:

• a plurality of turbine sections configured and arranged for high pressure, medium pressure, and low pressure ranges;
• a common shaft;
• a plurality of casings;
• a district heating circuit including two series-connected heaters;
• wherein the turbine sections are each arranged in a separate casing and connected by the common shaft;
• wherein the plurality of turbine sections comprises one high pressure turbine having an outlet, at least two medium pressure turbines each having a casing and an outlet connected to one of the two series-connected heaters of the district heating circuit, and at least one low pressure turbine;
• wherein the casings of said medium pressure turbines are spatially separated;
• wherein the two medium pressure turbines are connected in parallel;
• wherein the at least one low pressure turbine comprises at least two low pressure turbines provided in separate casings;
• wherein the outlet of each of the at least two medium pressure turbines is connected to one of the at least two low pressure turbines;
• and
• wherein the at least two low pressure turbines are each adapted to the respective medium pressure turbine.