Probabilistic Assessment of Atc in the Deregulated Network (original) (raw)

This paper presents a new algorithm that calculates the available transfer capability (ATC) in deregulated networks based on a probabilistic approach. Determination of total transfer capability (TTC) is the key component in ATC computation. An optimal power flow (OPF) technique based on the quadratic programming is implemented to evaluate TTCs for different contingency states in an interconnected power system. The time consumed for TTC calculation is one of the most important problems. In this paper, the TTC is calculated offline. Another problem for assessment of ATC in operating condition is the uncertainty in the load levels. The load uncertainty is considered and modeled by a normal distribution function. The advantages of this algorithm are presented by an application to an IEEE 24-Bus system.