Nuclear power plant and operation method thereof
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United States of America Patent
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Feb 19, 2008
Grant Date -
Oct 6, 2005
app pub date -
Jan 13, 2005
filing date -
Jan 14, 2004
priority date (Note) -
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Abstract
A nuclear power plant and method of operation for augmenting a second reactor thermal power output in a second operation cycle to a level larger than a first reactor thermal power output in the previous operation cycle. The plant is equipped, for example, with a reactor; a steam loop comprising high and low pressure turbines; a condenser for condensing steam discharged therefrom the low pressure turbine; a feedwater heater for heating feedwater supplied from the condenser; and a feedwater loop for leading feedwater discharged from the feedwater heater to the reactor. The operation method includes decreasing a ratio of extraction steam which is led to the feedwater heater from a steam loop in the second operation cycle.
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