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A two level cellular structure in both the parameter space and the state space is identified. This allows a new approach for the security monitoring of the large power system from a different perspective through the concept of a feasibility region. The boundary of the feasibility region is composed of surface sections (defined by algebraic equations) of only three types. So the boundary and its distance...
To keep computational burden in stability analysis of the large power system at manageable levels the order of the problem must be reduced. An effective way to accomplish this starts with identifying dynamic clusters [1] within the system than using these to identify weak boundaries where system separation is probable [17] in a particular emergency. Reduction of the order is then accomplished by a...
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