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The latest generation of FACTS devices, namely the interline power flow controller (IPFC), is the combination of multiple series compensators, which are very effective in controlling power flows in transmission lines. In this paper, the evaluation of the impact of the IPFC on available transfer capability (ATC) enhancement is presented. An ATC computation method based on the optimal power flow (OPF) control is formulated to evaluate the power transfer capability from the specified generation unit to the specified load. The IPFC, represented by its power injection model, is incorporated into the OPF control formulation. The effectiveness of the IPFC control is demonstrated clearly by numerical simulations on a 2-machine 4-bus system and a 6-machine 22-bus system. The results are also compared with those of the unified power flow controller (UPFC) in various aspects.
Power Tech, 2007 IEEE Lausanne
Date of Conference: 1-5 July 2007