Abstract
Current control of active power filters is typically implemented using proportional-integral (PI) or proportional-resonant (PR) regulators. As an alternative, multi-frequency state-feedback control with a reduced-order disturbance observer has recently been proposed. This paper presents a comparative analysis of both approaches using frequency response functions derived from analytical models. Command tracking and disturbance rejection, both in steady-state and transient performance are evaluated. Discrete-time domain simulations and experimental tests are conducted to validate the analysis.
| Original language | English |
|---|---|
| Number of pages | 10 |
| Journal | IEEE Transactions on Industry Applications |
| DOIs | |
| Publication status | E-pub ahead of print - 2026 |
| MoE publication type | A1 Journal article-refereed |
Funding
This work was supported in part by the Government of the Principality of Asturias under Project SEK-25-GRU-GIC-24-023, and in part by the Regional Ministry of Education, Culture, and Sport of the Principality of Asturias through ”Severo Ochoa Program” under Grant BP21-030.
Keywords
- Active Power Filters
- harmonic control
- Multi-frequency state-feedback current control
- PI/PR current control
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