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Keeping voltage limits in electric networks is obligatory. Voltage constraints often cause additional costs for network reinforcement or more distance connection points when distributed generators are to be connected in medium- and low-voltage grids. In this paper, we present three different approaches for voltage control by aggregation of controllable distributed energy units. We also present the...
Distributed reactive power supply is necessary in distribution networks for an optimized network operation. This paper begins with a presentation of the reactive power supply capabilities of generators connected to the distribution network (distributed generators). The second step proposes an approach of determining energy losses resulting from reactive power supply by distributed generators. The...
This paper presents a case study based on a real distribution network with a high share of distributed generation. We built the simulation on the present network topology and generated a scenario for the expected future with a high penetration of DER (distributed energy resources) and an increase of the consumption. Even with a load growth exceeding the substations capacity the simulated network can...
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