Neuroidentification of system parameters of the UPFC教程.pdf

Neuroidentification of System Parameters of the UPFC in a Multimachine Power System Radha P. Kalyani Ganesh K. Venayagamoorthy Department of Electrical and Computer Engineering Department of Electrical and Computer Engineering University of Missouri - Rolla, MO 65409, USA University of Missouri- Rolla, MO 65409, USA rpk5p@umr.edu gkumar@ieee. org Abstract transformer. These are connected to each other by a com- The crucialfactor affecting the modern power systems to- mon DC link, which is a typical storage capacitor. day is loadflow control. The UnifiedPower Flow Control- The shunt inverter is used for voltage regulation at the point ler is an effective meansfor controlling thepower flow. The of connection, injecting reactive power flow into the line UPFC is controlled conventionally using PI Controllers. and to balance the real power flow exchanged between the This paper presents the designs of neuroidentiJiers that series inverter and the transmission line. Thereby, the UPFC models the system dynamics one-time step ahead making can fulfill functions of reactive shunt compensation, active the pathway for the design of adaptive neurocontrollers. and reactive series compensation and phase shifting. Be- Two neuroidentiJiers are usedfor identifjling the nonlinear sides, the UPFC allows a secondary but important function dynamics of a multimachinepower system and UPFC, one such as stability control to suppress