cogeneration_efficiency
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| cogeneration_efficiency [2015/02/16 17:05] – codina | cogeneration_efficiency [2023/11/16 15:21] (current) – external edit 127.0.0.1 | ||
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| + | ====== Cogeneration efficiency ====== | ||
| + | [[c_cogen_more|Centralized]] and [[d_cogen_more|decentralized cogeneration]] systems has two efficiencies as they deliver two products (heat & electricity): | ||
| + | $\eta_{th} = \frac{Q^-}{Q+}$ | ||
| + | ^$\eta_{th}$ |Thermal efficiency [%] | | ||
| + | ^$Q^-$ |Heat delivered by the cogeneration system [W] | | ||
| + | ^$Q^+$ |Heat delivered by the fuel combustion (LHV basis) [W] | | ||
| + | |||
| + | $\eta_{el} = \frac{E^-}{Q+}$ | ||
| + | ^$\eta_{el}$ |Electrical efficiency [%] | | ||
| + | ^$Q^-$ |Electricity delivered by the cogeneration system [W] | | ||
| + | ^$Q^+$ |Heat delivered by the fuel combustion (LHV basis) [W] | | ||
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