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This paper presents a simulation study about the coordination and interaction of advanced power electronic devices working in close electrical proximity. In particular, three major power quality devices (PQDs)-an advanced static VAR compensator, a dynamic voltage restorer, and a high-speed transfer switch as well as their combined performance-are modeled and studied in detail using ATP-EMTP. The paper addresses potential problems related to the PQD's combined operation, in addition to coordination issues. Comparison between simulation results and field measurements of individual PQD's are also presented.
Date of Publication: May 2005