Delay Dependent Stability Analysis of Active Power Filter

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Abstract:

The active power filter (APF) is a dynamic harmonic filtering equipment. The time delay is unavoidable and it has a great negative influence on the stability of the APF system. Based on the introduction of its topology and control strategy, the mathematical model of APF with time delay is built. And the model is a time delay systems with bounded nonlinearity, so a new delay dependent stability criteria is derived and formulated in the form of linear matrix inequality (LMI). The maximum allowed time delay is solved, and the relationships between it and some other parameters are investigated and simulated. The result can be as a reference in the future work.

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1592-1597

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November 2012

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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DOI: 10.1137/1.9781611970777

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