Paper 14: Diesels and the Generation of Electricity

Abstract

Diesels used by the Central Electricity Generating Board as prime movers for supplying stand-by or emergency auxiliary supplies of electricity require to have a high level of reliability and availability. These are the important features rather than the production of cheap electricity. When used exclusively for generating electricity for the grid system, their use is restricted because of limitations in MW output potential. Those in use must (1) produce cheap electricity, (2) assist in the continuity of supply, and (3) have peak-lopping facilities in certain applications. The major operational cost is fuel, and four fuels are considered; these range from 35 s to 3500 s fuel oils. Diesel maintenance costs can be substantial and methods of reducing these are reviewed in depth. Continuity of supplies of electricity into the National Grid and for local loads is critical. The electrical, mechanical, and chemical aids used to maintain diesel reliability are discussed.