Reference current computation methods for active power filters: accuracy assessment in the frequency domain
This paper focuses on the steady-state response of existing methods for computing the reference current of active power filters. For each class of methods, the main source of discrepancy between the load harmonic current and the computed reference current is identified and the frequency spectrum of...
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| Veröffentlicht in: | IEEE transactions on power electronics 2005-03, Vol.20 (2), p.446-456 |
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| container_title | IEEE transactions on power electronics |
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| creator | Ortega, J.M.M. Esteve, M.P. Payan, M.B. Exposito, A.G. Franquelo, L.G. |
| description | This paper focuses on the steady-state response of existing methods for computing the reference current of active power filters. For each class of methods, the main source of discrepancy between the load harmonic current and the computed reference current is identified and the frequency spectrum of the resulting error is analytically determined. Although this topic has been partially addressed in previous publications, the proposed frequency-domain approach provides valuable qualitative information about how the errors are produced and distributed, which is masked when the analysis is carried out in the time domain. First, the frequency-domain formulation is separately presented for each method. Then, a comparison of the resulting errors is performed on a case study. Finally, some experimental results are given to validate the proposed frequency-domain analysis. |
| doi_str_mv | 10.1109/TPEL.2004.842970 |
| format | Article |
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For each class of methods, the main source of discrepancy between the load harmonic current and the computed reference current is identified and the frequency spectrum of the resulting error is analytically determined. Although this topic has been partially addressed in previous publications, the proposed frequency-domain approach provides valuable qualitative information about how the errors are produced and distributed, which is masked when the analysis is carried out in the time domain. First, the frequency-domain formulation is separately presented for each method. Then, a comparison of the resulting errors is performed on a case study. 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For each class of methods, the main source of discrepancy between the load harmonic current and the computed reference current is identified and the frequency spectrum of the resulting error is analytically determined. Although this topic has been partially addressed in previous publications, the proposed frequency-domain approach provides valuable qualitative information about how the errors are produced and distributed, which is masked when the analysis is carried out in the time domain. First, the frequency-domain formulation is separately presented for each method. Then, a comparison of the resulting errors is performed on a case study. 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| ispartof | IEEE transactions on power electronics, 2005-03, Vol.20 (2), p.446-456 |
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| source | IEEE Electronic Library (IEL) |
| subjects | Active filters Active power filters Applied sciences Assessments Computation Electric currents Electrical engineering Electrical engineering. Electrical power engineering Electrical equipment Electronics Error analysis Exact sciences and technology Formulations Frequency domain analysis Frequency domains Frequency spectrum harmonics Mathematical analysis Passive filters Power electronics Power electronics, power supplies Power filters Power harmonic filters power quality Power system harmonics Pulse power systems Steady-state Voltage |
| title | Reference current computation methods for active power filters: accuracy assessment in the frequency domain |
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