A new generalized power flow method for multi connected DC grids

Eduardo Jimenez (1) , Miguel Jimenez-Carrizosa Jimenez Carrizosa (2) , Abdelkrim Benchaib (3) , Gilney Damm (4) , Françoise Lamnabhi-Lagarrigue (2)

1 UCLM - Universidad de Castilla-La Mancha = University of Castilla-La Mancha
2 L2S - Laboratoire des signaux et systèmes
3 Alstom - Alstom Grid
4 IBISC - Informatique, Biologie Intégrative et Systèmes Complexes

A new power flow for DC grids is presented in this paper. This new method gives the possibility of using more than one bus for the power balance and consequently share the responsibilities between many actors. The present paper introduces a mathematical proof for this new power flow algorithm, which guarantees the existence of unique solution when voltages are close to nominal value. This new algorithm has in addition the advantage of being easily adapted for AC systems. Besides a detailed study of the effects on power and voltages when variables change is shown.

Keywords: Power flow; DC grids; Nonlinear systems; Contraction mapping theorem

Domains: Automatic Control Engineering; Automatic

Eduardo Jimenez, Miguel Jimenez-Carrizosa Jimenez Carrizosa, Abdelkrim Benchaib, Gilney Damm, Françoise Lamnabhi-Lagarrigue. A new generalized power flow method for multi connected DC grids. International Journal of Electrical Power & Energy Systems, 2016, 74, pp.329-337. ⟨10.1016/j.ijepes.2015.07.032⟩. ⟨hal-01260078⟩