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http://dx.doi.org/10.5855/ENERGY.2019.28.2.047

A Study on Partial Load Performance of Absorption Type Heat Pump for Waste Heat Recovery of Closed Cooling Water  

Park, Byungchul (Korea South-East Power Co.)
Kim, Taehyeong (Korea South-East Power Co.)
Kim, Kwangsu (Korea South-East Power Co.)
Publication Information
Journal of Energy Engineering / v.28, no.2, 2019 , pp. 47-54 More about this Journal
Abstract
As absorption type heat pump for waste heat recovery is installed in combined cycle power plant for Energy Service Company, performance test is implemented to confirm the operation data on partial load. The operation data changes according to the heat pump operation on partial load are as follows. Total heat output increases, because waste heat of closed cooling water and a portion of LP steam from HRSG is supplied. But electric power output of steam turbine is reduced, because LP steam to steam turbine is reduced. And heat output from HP district heater and LP district heater is reduced, because HP turbine exhaust steam to HP district heater and LP district heater is reduced. On partial load operation, turbine output reduction is higher than the base load operation. Therefore, on partial load, heat pump should be operated in consideration of the heat output increase and electric power output reduction.
Keywords
Heat Pump; Partial Load; Performance Test; Electric Power Output; Heat Output; Heat Recovery Rate;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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