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Integrated security control using an optimal power flow and switching concepts

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2 Author(s)
Schnyder, G. ; Swiss Fed. Inst. of Technol., Zurich, Switzerland ; Glavitsch, H.

A synthesis of methods is presented which combines security analysis and optimal power flow in order to achieve n-1 security. The concepts of corrective switching are used to model outages, making it possible to generate constraints to be attached to the optimal power flow. A distinction is made between the secure state (conservative) and a state which is achieved by postcontingency rescheduling. Results for an 80-node system show the dispatch of control variables for the source states, the losses and the CPU-times

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Power Systems, IEEE Transactions on  (Volume:3 ,  Issue: 2 )