Hybrid Active Filter for Reactive and Harmonics Compensation in a Distribution Network
Corasaniti, V.F.; Barbieri, M.B.; Arnera, P.L.; Valla, M.I.
Industrial Electronics, IEEE Transactions on
Volume 56, Issue 3, March 2009 Page(s):670 - 677
Digital Object Identifier   10.1109/TIE.2008.2007997
Summary:The problem of reactive power and harmonics in the medium voltage level of a power distribution system is considered in this paper. Reconfiguration of the power delivery network imposes new constraints in a distribution substation so that the reactive compensation should be increased. The alternative of a shunt hybrid active filter connected to the 13.8-kV level to enhance the power quality is analyzed in this paper. This proposal uses the existing capacitor bank to build a hybrid filter in which the complementary compensation is performed by the active filter. The performance of the hybrid filter is evaluated with extensive simulations considering reactive power, harmonics, and unbalance compensation. It shows very good behavior in steady-state and transient conditions.

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