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Ronchi F. , Tilli A.
"On DC-link voltage stabilization of shunt active filters"
Type Conference
Author(s) Ronchi F. , Tilli A.
Title On DC-link voltage stabilization of shunt active filters
Editor 6th WSEAS International Conference on SYSTEMS
Keywords Active power filters, AC/DC converters, DC-link voltage regulation
In this paper the control of DC-link voltage in shunt active filters is studied. The main control objective in this kind of active power filters is to inject a proper current in the electric mains in order to compensate for harmonic distortion generated by nonlinear loads. According to this purpose, the proposed stabilizing algorithm allows the DC-link voltage to properly oscillate within the admissible range when load currents are compatible with the energy stored in the capacitor. Differently, when a transient disturb pushes the DC-link voltage near the bounds, the controller increases its action in order to avoid unnecessary turn-off by hardware/software protection. This solution leads to an improved reliability of the shunt active filter
Document 3a45.Document.pdf (291219 bytes)
Year 2002

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