Dead-time Compensation and Soft-starting of VSI-fed High-Power Induction Motor Drive

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Abstrakt

In an open-loop V/f controlled high-power low-voltage induction motor drive, sub-harmonic oscillations are commonly observed, especially at light-load and low-frequency operation, because of the dead-time which is introduced to avoid shoot-through in the dc-bus of the inverter. In this paper, such oscillations due to dead-time have been studied and substantially reduced by using a simple and effective dead-time compensation method. A two-step soft-starting method has also been proposed to achieve a fast acceleration of high-power motors without exceeding the current protection limit of the inverter. Experiments have been performed on a 355 kW squirrel cage induction motor drive supplied by a 500 kVA Si-IGBT based voltage source inverter. The steady-state and dynamic performances of the drive with these methods have been successfully verified by apposite experimental results.
OriginalsprogEngelsk
TitelICPEE 2021 - 2021 1st International Conference on Power Electronics and Energy
Antal sider6
ForlagIEEE Signal Processing Society
Publikationsdato2 jan. 2021
Artikelnummer9358493
ISBN (Trykt)978-1-7281-8775-4
ISBN (Elektronisk)978-1-7281-8774-7
DOI
StatusUdgivet - 2 jan. 2021
Begivenhed1st IEEE International Conference on Power Electronics and Energy, ICPEE 2021 - Virtual, Bhubaneswar, Indien
Varighed: 2 jan. 20213 jan. 2021

Konference

Konference1st IEEE International Conference on Power Electronics and Energy, ICPEE 2021
Land/OmrådeIndien
ByVirtual, Bhubaneswar
Periode02/01/202103/01/2021
NavnICPEE 2021 - 2021 1st International Conference on Power Electronics and Energy

Bibliografisk note

Publisher Copyright:
© 2021 IEEE.

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