Technical benefits of distributed storage and load management in distribution grids

Conference paper (2009)

Authors

E Veldman Electrical Sustainable Energy
M. Gibescu OLD High-Voltage Technology and Management
JG Slootweg External organisation
WL Kling OLD High-Voltage Technology and Management
Department
Electrical Sustainable Energy
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Published Date

2009

Language

Undefined/Unknown

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Department

Electrical Sustainable Energy

Abstract

Abstract
On the one hand, several developments make the operation of the distribution grids more and more complex. On the other hand developments in energy storage and the availability of loads which are not time critical bring up possibilities to provide more flexibility in the grid and to use the available system more efficiently. In this paper, these and other advantages of as well distributed energy storage as load management of not time critical loads are discussed. An approach is described to analyse the available capacity in the grids, to investigate how this capacity can be used by applying storage or load management and to compare the benefits of storage and load management. This approach is illustrated using a real medium voltage network and measured data. It shows the part of the capacity in the distribution grids which is now unused, but can be made available by applying storage or load management of non-critical loads. The size of the storage and the non-critical loads which are needed to use this capacity are determined. The characteristics of future loads, the need to support integration of distributed generation and the desired level of reliability of supply are factors that determine the size of the storage and how storage or load management can be applied best.