Title: ELECTRICITY PRICING PRODUCTION FROM COMBINED POWER PLANT
Abstract: The main goal of combination the power plant is to achieved high efficiency in addition to reduced the production cost of the unit power produced from the plant. This work included the cost calculation of power unit which produced from a combined power plant and the comparison this cost with that power produced from gas turbine power plant, the results shows that the price of unit power which produced from combined plant is less when the annual operation hours is more than 600 hr. This work shows also the effect of different parameter such as thermal efficiency, fuel price, and the operation years on the power unit price. 1-Introduction The combined cycle in the combined power plant consist of Topping cycle which produced power (gas turbine cycle) and the heat rejected from this cycle is used in a lower Bottoming cycle (steam turbine cycle) which also produced power the main goal of this combination is to achieved increasing in work which produced from the heat addition to the plant (fuel energy) Always the Topping cycle is a gas turbine unit when the temperature reaches more than 1100C and the Bottoming cycle is a steam turbine unit. The plant will have high efficiency; the power produced will be more over fixbility , fast starting at the partial load and high efficiency for wide loads. The best method for evaluating the power plant economy is the cost calculation of power unit which produced from this plant and then compared with cost of power produced from a classic power plant 2-The unit power produced cost calculation The cost can be calculated from the equation : OM F IC PE * -----------(1) The power unit price can be calculated by dividing equation (1) by the total power produced annually:
Publication Year: 2010
Publication Date: 2010-01-01
Language: en
Type: article
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