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A framework has been developed and implemented in prototype form to allow National Grid Control Centre engineers to have direct access to a fully automated security constrained optimal reactive power flow process. Confidence in the usability and potential of reactive power optimization technology has been established. The framework presented in this paper includes novel shunt switching logic implemented...
Optimal reactive power flow applications often model large numbers of discrete shunt devices as continuous variables, which are rounded to their nearest discrete value at the final iteration. This can degrade optimality. This paper presents novel methods based on probabilistic and adaptive threshold approaches that can extend existing security constrained optimal reactive power flow methods to effectively...
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