Proposed method for economic load scheduling

In the last two decades, economic load scheduling for multiplant power systems has received much attention, with the result that computers have been put `on line¿ to issue instructions to the various plants to adjust their outputs at regular intervals to secure economical operation in accordance with system requirements. The suggestion presented in this paper is an improvement on the existing method for digital computation, and results in a reduction of computing time of approximately 50 to 70% when the economic load scheduling is based on total generated power, and 40 to 60% when it is based on total load; the method proposed uses exact penalty factors and loss-formula coefficients, and takes the total generation or load requirements directly as input. An illustrative example is included.