Protection of Phase Angle Regulating Transformer

Posted:
21 Oct 1999
Primary Committee:
PES Power System Relaying and Control Committee
Page/Slide Count:
Pages: 59
This paper documents the protection requirements of the phase angle regulating transformer (PAR) and the theory of operation of the PAR that are currently in service in electric utility power systems. Modeling of PAR in the power frequency domain as well as electromagnetic transient program EMTP simulation are explained.

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