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The interline power flow controller (IPFC) is the latest generation of flexible AC transmission systems (FACTS) devices which can be used to control power flows of multiple transmission lines. This paper presents an optimal power flow (OPF) control in electric power systems incorporating IPFC. The injection models of both the IPFC and the transmission lines embedded with IPFC, which can be easily incorporated in load flow programs and optimal power flow programs, are developed. Numerical examples demonstrated that IPFC can be used for congestion management and total active power loss minimization in electric power systems at the same time. The minimum capacity of the IPFC converters is determined in the optimization process simultaneously.
Date of Conference: 22-26 Oct. 2006