Parametersπ π Generation level of unit k π π , π π , π π , π π , π π Coefficients of cost function. characteristics π Μβ,π Generation level of unit k in segment h for piecewise linear approximation of cost. function π΅ 00 , π΅ π0 , π΅ ππ Loss coefficients in Kron's formula π πππ π ππ Transmission losses π£ π,π Auxiliary continuous variables in the McCormick relaxation Functions π£ π,π π Auxiliary continuous variables in the partitioned McCormick relaxation π(π) The total cost of generating units π§ π
π,π Binary variables in the McCormick relaxation π Μ(π) The approximated total cost of generating units π§ β,π Binary variables in the partitioned McCormick relaxation ππΆ π Generation cost of unit k