Enhanced fuzzy power flow models integrating correlation between nodal injections

This paper reviews some concepts related to fuzzy load modeling namely dealing with correlated and uncorrelated models. After briefly describing DC and AC fuzzy power flow models, the problem of integrating information about correlations between node consumptions or injections in these models is addressed. This information leads to a correction phase performed after running the previous models. This correction phase is organized as a linear programming problem solved in a very efficient way taking advantage of the special structure of the problem. The methodology is illustrated using a case study based on the IEEE 24 bus/38 branch Test System.