Which is more efficient, an intermediate extraction turbine or a full condenser turbine?
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Which is more efficient, an intermediate extraction turbine or a full condenser turbine? How can they be compared? Assuming the intake parameters are the same, the volume of air is the same, and the output power is the same, who draws in more air? Whose efficiency is high?
On the one hand, the heating unit supplies steam of specified quality to heat users, and on the other hand, it also provides electricity to those users. Part or all of the (backpressure) steam, after performing a certain amount of work in the turbine, is extracted at the extraction point and supplied to heat users, rather than being discharged to the condenser; as a result, the loss of cooling capacity is reduced, and its efficiency is therefore much higher than that of a conventional condensing turbine.