SUMMARYA digital real-time simulator for power electronics systems has been developed using MAT-LAB

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We have developed a simultaneous control design method for multiple power system stabilization controllers such as PSSs using the system identification and the non-linear numerical optimization technique. The developed controller design can take into consideration of controller structure and several design constrains in the controller design. For multiple controllers design, a reduced order MIMO linear system, which show similar dynamic properties to some original full order power systems, is identified from time domain simulation results by N4SID algorithm. The nonlinear optimization technique is applied to minimize the Modal Performance Measure, which is directly related with damping of the power system oscillations. As an example of the design, PSSs design for IEEJ EAST30 system model is described.

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