The future of OPFs is as bright as ever. Engineers continue to find new uses for those programs. However, they are still only used by a minority. Thus, the challenge to OPFs is to become as popular and as easy to use as conventional power flows. This note examines what power engineers are using off-line OPFs for, what shortcomings they are encountering, and what solutions there could be to these problems. OPF Uses In general, OPFs are applicable when a) studying a problem that requires interactive use of conventional power flows, and
The paper presents the results of a comprehensive voltage stability study to identify reactive compensation requirements in the San Francisco Bay Area for the purpose of maintaining desired load-sewing capability. The study focused on both steady-state and mid-term time-domain dynamic simulations. While conducting mid-term stability simulations, a significant amount of load sensitivity analysis was performed in order to assess the need for a prudent mix of dynamic vars (e.g. an SVC) versus static devices (e.g. mechanically switched capacitor hanks).
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