Transient stabilization of multimachine power systems: Towards a global decentralized solution

Diego Langarica Córdoba Roméo Ortega 1 Daniele Casagrande
1 Division Systèmes - L2S
L2S - Laboratoire des signaux et systèmes : 1289
Abstract : A global solution to the problem of transient stabilization of multimachine power system with non-negligible transfer conductances was recently reported. The proposed scheme is a centralized nonlinear dynamic controller that ensures global asymptotic stability of the desired operating point. Due to technological and reliability considerations the exchange of information between generators is restricted, hence the need for decentralized controllers. The main contribution of this paper is the proof that, using local measurements available with existing technology, it is possible to transform the previous centralized controller into a truly decentralized one—provided the derivative of the active power at each generator can be suitably estimated. Some simulation results using the 10-machine New England benchmark show that transient stability enhancement and voltage regulation under different fault scenarios is effectively achieved.
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Journal articles
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Submitted on : Wednesday, June 29, 2016 - 10:29:25 AM
Last modification on : Thursday, April 5, 2018 - 12:30:23 PM

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L2S | TDS-MACS | SUP_LSS | CENTRALESUPELEC | SUP_SYSTEMES | UNIV-PARIS-SACLAY

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Diego Langarica Córdoba, Roméo Ortega, Daniele Casagrande. Transient stabilization of multimachine power systems: Towards a global decentralized solution. European Journal of Control, Lavoisier, 2015, 26, pp.44-52. ⟨10.1016/j.ejcon.2015.09.003 ⟩. ⟨hal-01338728⟩

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