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

from heavy demand areas. Growing power demands are mainly Abstract-New SVC was commissioned in March 2005 at commercial not industrial, i.e. represented by air-conditioners, MUSSAFAH 400kV/220kV substation in Abu Dhabi, UAE. The they are constant active power loads and tend to absorb more capacity of the SVC is +/-200MVA. The SVC consists of two reactive power when system voltage is lower. identical SVCs of +/-lOOMVA connected to 220kV bus, and they are operated as independently or in parallel. This SVC is located As far end of the 400kV network is connected to power near heavy load center with air-conditioner characteristic loads then the SVC design was carried out carefully. The SVC provides plantos Th e2ofkV circuit is mai ned by a Vr of * (capacitive) and -3OMVA (inductive) were obtained from the M. Ibrahima and A. A. Atia are with TRANSCO, Abu Dhabi, United Arab steady state analysis. Emirates 173 (

A new digital real-time simulator for FACTS (Flexible AC Transmission Systems) has been developed. The IM47ZABJSIMULINK, which can realize flexibility of some realtime models, is applied as software for the model construction. This simulator is connectable with some commercial power systems real-time simulators.This paper describes the modeling of STATCOM and SSSC for the real-time simulator using SIMULINK. The validity of the calculation accuracy of SZMULINK models and the real-time calculation in a SOP time step is presented. It is confirmed that model calculation accuracy is high by comparison with off-line simulation results using EMTDC.

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