Journal
ELECTRIC POWER SYSTEMS RESEARCH
Volume 151, Issue -, Pages 149-153Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.epsr.2017.05.031
Keywords
Low voltage direct current systems; Power flow analysis; DC distribution; Non-linear analysis
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Low voltage direct current (LVDC) is a promising technology for future power distribution grids and smart grids applications. Power flow in these grids is a non-linear problem just as its counterpart AC. This paper demonstrates that, unlike in AC grids, convergence and uniqueness of the solution can be guaranteed in this type of grid under well defined practical considerations. The result is neither a linearization nor an approximation, but an analysis of the set of non-linear algebraic equations, which is valid for any LVDC grid regardless its size, topology or load condition. Computer simulation corroborates the theoretical analysis. (C) 2017 Elsevier B.V. All rights reserved.
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