Conversion of Coal-Fired Power Plants to Cogeneration and Combined-Cycle by Ryszard Bartnik & Zbigniew Buryn

Author:Ryszard Bartnik & Zbigniew Buryn
Language: eng
Format: epub
Publisher: Springer London, London

(6.1)

where:εmean weighted annual decrease of electricity production in a power plant resulting from heat generation Q A.

In order to ensure that the modernization Modernizationof the power plant to combined heat and power Combined heat and poweris justified from the economic perspective, the following relation has to be fulfilled (for the condition Ė ch = const) (Eq. 2.19, Chap. 2):

(6.2)

(if in relation (6.2) there is the equality, the price of heat e h also expresses the specific cost k h of its generation)

where: e el specific sales price of electric energyPrice of electricity. One can note that the electricity produced in a combined process “red energy” has a higher price than “black energy,” which adds another rationale for the modernization of a power plant to combined heat and power,

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