Publication: An alternative Volt-VAR management scheme for active distribution grids: ABB
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2014-06-09
Defense date
2014-09-30
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Abstract
Larger penetration of distributed generation and active loads is expected in the near future. These new loads have brought up new challenges to the electrical networks as well
as new possible opportunities. The possibility of using these new elements to regulate
and control the voltage is considered as the future scenario.
Therefore this thesis, develops a coordination between the most common elements in
the networks (capacitor banks, STATCOMs, OLTCs/VRs and DGs), in order to study
their interaction and how they together could manage the voltage level. In addition, EV
charging station integration has been also evaluated. Considering this scenario, several
simulations varying different parameters such as time delay or bandwidth are carried
out. Also the concept line compensation is taken into consideration in the networks
analysed.
Through all the simulations accomplished it is proved that a coordination is necessary
between all the elements. Later on, a discussion about how each configuration affects
the network complete this thesis. Besides, the simulated scenarios show that DGs and
EVs can contribute to voltage regulation in an effcient way.
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Keywords
Distributed generators, Electrical vehicles, Voltage stability