Induction motor drives equipped with diode rectifier and small dc-link capacitance

Tutkimustuotos: Lehtiartikkelivertaisarvioitu

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This paper deals with sensorless vector-controlled induction motor drives that are fed by a frequency converter that is equipped with a diode front-end rectifier. A small dc-link capacitance is used, which makes it possible to replace the electrolytic capacitors with film capacitors. The natural frequency of the dc link is chosen to be considerably higher than six times the mains frequency but lower than the switching frequency. A recently proposed sensorless controller can be exploited; only minor modifications for small capacitances are needed. The simulation and experimental results of a 2.2-kW drive that is equipped with a capacitance of only 24 uF demonstrate operation in a wide speed range.

Yksityiskohdat

AlkuperäiskieliEnglanti
Sivut312-320
JulkaisuIEEE Transactions on Industrial Electronics
Vuosikerta55
Numero1
TilaJulkaistu - 4 tammikuuta 2008
OKM-julkaisutyyppiA1 Julkaistu artikkeli, soviteltu

    Tutkimusalat

  • capacitors, control, dc, film, link, sensorless

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