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This paper proposes a two-step approach to evaluate reactive power reserves with respect to operating constraints and voltage stability for a set of postulated operating scenarios. The first step determines the minimum overall needed reactive power reserves of generators such that the system withstands, from a static viewpoint, any postulated scenario. This problem is formulated as a security constrained...
This paper investigates the use of multi-linear regression models (MLRMs) and machine learning techniques for online voltage stability margin prediction. The methodology relies upon the relationship between system wide reactive power reserves and voltage stability margin. A comprehensive voltage stability assessment considering an extensive contingency list and several load increase directions is...
Voltage stability in power system is influenced by reactive support at various locations. It is desirable to monitor the reactive power reserves as system conditions change. There is a need to find a relationship between the reactive power reserves and system security with respect to voltage stability margin and voltage violations. In this paper we have investigated how different approaches of generator...
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