โ Scribed by M. Siddhartha Bhatt; S. Jothibasu
No coin nor oath required. For personal study only.
This paper presents the results of the performance enhancement study in 22 coal fired thermal power stations of capacities 30-500 MW. The efficiencies and performance indices of the equipment are evaluated which then leads to the performance evaluation route-operational optimization, simple modification of equipment or renovation. The generic problems associated with design, operation and fuel inputs is investigated and appropriate solutions are suggested to improve the boiler efficiency levels from 71-86% to 86-87% immediately and 89-90% on a long term (5-10 yr) basis. A large volume of design and operating data has been analysed and presented in the form of curve fits for computer simulation of the performance of boilers for high ash coals.
๐ SIMILAR VOLUMES
Auxiliary power in coal-"red power stations accounts for 7% (500 MW units) to 12% (30 MW units) of the gross generated power at the full plant load. The minimum AP varies between 4)5 and 9)0% for the same capacity range. The excessive power due to factors such as coal quality, excessive steam #ow, i
This paper presents the results of the performance enhancement study on 22 coal "red thermal power stations of capacities 30}500 MW. The oldest units (30 MW) have served for 33 yr and the newer units (500 MW) have been in operation since 7 yr. The turbine e$ciencies are in the range 31)00}41)90% as
This paper provides an analysis of the overall performance of 22 coal-"red power plants. The net overall e$ciency is in the range 19)23}30)69%. The e!ects of ash in coal, contaminants in feed water, leakage, incondensables, etc., have been quanti"ed. Ways of minimizing secondary oil consumption have