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Abstract
The circuits used for power conversion applied in drives with electric machines are classified into two groups: voltage source inverters (VSI) and current source inverters (CSI). Application of the current source inverter results in better properties of drive than application of voltage source inverter because there is no output filter. The development of power electronics and especially the IGBTs, in which on/off-times are very short, should produce perfect current sources in the future. Low power losses in CSI (tranzistors are switched off without current) complete the above arguments. A control system for the induction motor fed by a PWM CSI based on a multiscalar model is presented in the paper. The current source inverter topology is presented. The vector model of the induction motor fed by CSI with output capacitors of inverter is presented in the paper. The simplify pulse width modulation (PWM) is showed. The place voltage and current measurements are showed. Properties of the sensorless control systems are compared and results of simulations are presented. The investigation will be carried out on 5,5kW experimental drive.
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- Category:
- Articles
- Type:
- artykuły w czasopismach recenzowanych i innych wydawnictwach ciągłych
- Published in:
-
Maszyny Elektryczne : zeszyty problemowe
pages 127 - 132,
ISSN: 0239-3646 - Language:
- Polish
- Publication year:
- 2008
- Bibliographic description:
- Morawiec M.: Przekształtnik prądu jako sterownik w układach napędowych z silnikami indukcyjnymi// Maszyny Elektryczne : zeszyty problemowe. -., nr. nr 79 (2008), s.127-132
- Verified by:
- Gdańsk University of Technology
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