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Definition of Combined Power cycle,Co-generation system and effectiveness

What is Combined Power cycle? Combined Power cycle : A combined power cycle is one based on the coupling of two different power cycles such the waste heat from one cycle is used partially or totally as the heat source for the other cycle. What is co-generation system? Co-generation system:  The technique of sequential production of energy usually electrical energy and by utilizing exhaust energy as heat or thermal energy from a single energy source is called co-generation system.   Example of co-generation system: One of the best examples is a power plant for industry may provide steam for heating building as well as for electric power, sugar mill, paper mill, drying unit and room heating.  Definition of effectiveness:   The performance of co-generation plant is frequently measured in terms of its effectiveness ᵋ Which is defined as the ratio of (electrical energy delivered + thermal load ) and combustion heat absorbed