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Authors: Rui Castro ; M. E. Almeida ; Célia Jesus ; Pedro M. S. Carvalho and Luis A. M. Ferreira

Affiliation: IST – Technical University of Lisbon, Portugal

Keyword(s): Voltage Control, Microgeneration, Transformer Tap Changer, Unbalanced Load Flow.

Related Ontology Subjects/Areas/Topics: Energy and Economy ; Load Balancing in Smart Grids ; Smart Grid Security and Reliability ; Smart Grids ; Smart Grids and Renewable Technologies

Abstract: In the framework of the so-called microgeneration, small photovoltaic units are being installed in the roofs of the buildings and connected to the low-voltage distribution networks. This is posing some new challenges to the distribution network operators. On one hand, the off-service regulation of the transformer taps must comply with a hard twofold objective: to mitigate the undervoltages during peak load periods and to mitigate voltage rise during peak generation periods. On the other hand, the voltage profile is almost insensitive to microgeneration injected reactive power, which forces control to actuate on active power with the consequent impact on energy produced and also on network security. These two aspects of the problem are addressed in this paper with help from an illustrative test network, on which several case-studies have been built to highlight the main voltage control problems and to test different strategies to overcome such problems.

CC BY-NC-ND 4.0

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Paper citation in several formats:
Castro, R.; Almeida, M.; Jesus, C.; M. S. Carvalho, P. and A. M. Ferreira, L. (2012). VOLTAGE CONTROL ISSUES IN LOW VOLTAGE NETWORKS WITH MICROGENERATION. In Proceedings of the 1st International Conference on Smart Grids and Green IT Systems - SMARTGREENS; ISBN 978-989-8565-09-9; ISSN 2184-4968, SciTePress, pages 79-84. DOI: 10.5220/0003952700790084

@conference{smartgreens12,
author={Rui Castro. and M. E. Almeida. and Célia Jesus. and Pedro {M. S. Carvalho}. and Luis {A. M. Ferreira}.},
title={VOLTAGE CONTROL ISSUES IN LOW VOLTAGE NETWORKS WITH MICROGENERATION},
booktitle={Proceedings of the 1st International Conference on Smart Grids and Green IT Systems - SMARTGREENS},
year={2012},
pages={79-84},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0003952700790084},
isbn={978-989-8565-09-9},
issn={2184-4968},
}

TY - CONF

JO - Proceedings of the 1st International Conference on Smart Grids and Green IT Systems - SMARTGREENS
TI - VOLTAGE CONTROL ISSUES IN LOW VOLTAGE NETWORKS WITH MICROGENERATION
SN - 978-989-8565-09-9
IS - 2184-4968
AU - Castro, R.
AU - Almeida, M.
AU - Jesus, C.
AU - M. S. Carvalho, P.
AU - A. M. Ferreira, L.
PY - 2012
SP - 79
EP - 84
DO - 10.5220/0003952700790084
PB - SciTePress