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A comprehensive study has been performed to compute the voltage stability margin for Tri-State South Colorado area using EPRI power system voltage stability region (PSVSR) program. We determined the critical cut-sets to separate the weak region from the rest of the transmission network, calculated the voltage stability boundaries in cut-set state space, and investigated remedial action schemes.
Dynamic security region (DSR) gives power system engineers systematic and global information about the feasible operation region. This paper is a result of an investigation into the use of DSR concept and its effective application in bulk power systems. It particularly concerns with developing a software-based tool for the transient stability monitoring in the on-line operation environment. A practical...
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