engleski

Increase of Efficiency of a Heat Supply Steam Turbine by Integrating RES: A Study Analysis of T-100/120-130-3 Steam Turbine installed in TE-TO Zagreb District Heating Plant

According to recent estimates by the World Meteorological Organization, temperatures will rise by 3 to 5 degrees Celsius by the end of the century, well above 1.5 degrees, a goal set by the UN Intergovernmental Panel on Climate Change (IPCC). In this regard, solutions should be considered and offered to reduce global warming and CO2 emissions. Integration of Renewable Energy Sources (RES) will enable lower operating temperatures of District Heating systems (DH) and the transition to the so-called Low Temperature System which imminently leads to the increase of efficiency in heat supply steam turbines. It means that the heat supply extractions of steam turbine operate in a different mode enabling full scale utilization of the steam extraction to heat the DH network system (decrease of insufficient heat transfer and heat losses, increased utilization of district heater thermal capacity, additional generation of electrical energy from heat supply etc.) This Study Analysis has been elaborated on a T-100/120-130-3 Heat Supply Steam Turbine in CHP TE-TO Zagreb District Heating plant by comparing various operating modes, based on Low temperature DH system obtained as a result of integration Large DH pumps. Finaly result and methodology can be applied for other heat supply steam turbines in the range from 40 to 250 MWe.

Heat Supply Steam Turbine ; Heat Supply Extractions ; Integration of Renewable Energy Sources ; Low Temperature District Heating System ; Operating Modes ; Increase of Efficiency ;

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