A steam condenser could reject a great amount of heat. Steam power shaft power plus mechanical losses journal and thrust bearing losses. Nuclear and coal based thermal power plants together produce almost half of the worlds power. Or in other words it is a device which is used to condense exhaust steam of the turbine into water. Under particular circumstances the condenser steam discharge valves are prevented from opening and discharging steam. Oneonone configurations are further qualified as being multishaft ms, or single shaft ss.
Chaplin encyclopedia of life support systems eolss certain limits are imposed on the operation of the condenser steam discharge valves. In case of turbines with cooling water preheating and lowpressure lp bypass, prior to supplying steam the regeneration and dumping systems have to be. Initial steam conditions are 3500psi f with reheat to f. In case of jet condensers, dissolved air with the injection water enters into the condenser. Condensers are delivered as fully tubed modules, so that little welding. The general arrangement and principal design features of a 900,000kw turbinegenerator are described and illustrated. An introduction to condensers and auxiliary equipment for. An example is a stag 109e ms, indicating that the combinedcycle contains a single frame 9e gas turbine generator and a separate ge steam turbine generator on two different shafts. Recovering this amount of heat can be done using heat pumps, but is difficult to find heat consumers because of. Steam turbines lie at the heart of these power plants. Steam condenser is a mechanical device which converts the low pressure exhaust steam from the turbine into water. Steam condensers are devices in which the exhaust steam from the steam turbine is condensed by means of cooling water. Condenser vacuum is closely related to the temperature of cooling water to be used in the condenser. Pdf efficiency assessment of condensing steam turbine.
For approximation, use turbine exhaust steam flow in pound per hour times 950 btu per pound for nonreheat turbines or 980 btu per pound for reheat turbines. Ger3582e steam turbines for stag combinedcycle power. Steam condenser definition, working, types and advantages. Prior to supplying steam to the turbine, the steam supply pipelines have to be drained and heated up.
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