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Method for alleviating voltage limit violations using combined DC optimisation and AC power flow technique

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4 Author(s)
Wan, H.B. ; Nat. Grid Co. plc, Wokingham, UK ; Bradley, M.E. ; Ekwue, A.O. ; Chebbo, A.M.

An approach of combining DC linear optimisation and AC power flow calculations to alleviate voltage limit violations in power systems is presented. A notable feature of this approach is incorporating voltage constraints in a DC optimisation algorithm. The test results show the effectiveness and efficiency of the technique when applied to the National Grid Company system. The ESCORT (Economic and Security Costing of Reinforcement to Transmission) and DISPATCH (generation dispatch) optimisation programs are discussed

Published in:

Generation, Transmission and Distribution, IEE Proceedings-  (Volume:147 ,  Issue: 2 )