Tatjana Lomane

A model for maximizing the profit of a HPP cascade considering hydraulic link via reservoirs

At the conditions of market relationships and economic and financial independence of power company (GENCO), these are guided by the principle of achieving maximum efficiency in their actions. For a hypothetical cascade of hydropower plants (HPPs) consisting of three HPPs, a problem formulation aimed at optimum loading of each individual HPP is used, ensuring maximum profit for the whole cascade from the sales of the generated electric power at the day-ahead market. The structural diagram of a problem solution algorithm is presented, which uses the method of statistical modeling. The results of the modeling of cascade operating regime are illustrated graphically. The results have been used to calculate the summary profit of the HPP cascade. The structural diagram of the algorithm can be basically used for an arbitrary mix of HPPs in the cascade, with a weekly regulation cycle.

Optimization of power reserves in market conditions

The optimization problem of the power reserves in the electric power system (EPS) for the purpose of the operation reliability increase is considered. The analytical expression of the power reserve optimum price determination for the electric power concrete producer is given. The considered strategy of the power reserve formation for the EPS is realized on the base of Matlab program. The results of the total power reserve optimization for the EPS test diagram are presented.