A new generalized power flow method for multi connected DC grids. (January 2016)

• Record Type: Journal Article
• Authors: Jiménez, Eduardo; Carrizosa, Miguel Jiménez; Benchaib, Abdelkrim; Damm, Gilney; Lamnabhi-Lagarrigue, Françoise
• Is Part Of: International journal of electrical power & energy systems. Volume 74(2016:Jan.)
• Page Start: 329
• Page End: 337
• Publication Date: 2016-01
• Subjects: Power flow -- DC grids -- Nonlinear systems -- Contraction mapping theorem; Electrical engineering -- Periodicals; Electric power systems -- Periodicals; Électrotechnique -- Périodiques; Réseaux électriques (Énergie) -- Périodiques; Electric power systems; Electrical engineering; Periodicals; 621.3
• DOI: 10.1016/j.ijepes.2015.07.032
• Languages: English
• ISSNs: 0142-0615

Abstract

Highlights: We propose a new method to solve the power flow problem in DC grids. The existence of unique solution is guaranteed. This new algorithm is easily adapted for AC systems. Estimating errors in the solution resulting from erroneous data input is possible. We can estimate how we must to vary the input data to reach another desired solution. Abstract: 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.