Abstract
A new dasiaextended turn-off timepsila compensation parameter is introduced to overcome the low-current nonlinear voltage distortion effect in IGBT inverters. The compensation technique uses datasheet parameters in conjunction with an analytical approach to model the low-current switching characteristics of an IGBT. As a result, output voltage amplitude is accurately controlled and low-order voltage harmonics are reduced resulting in reduced current distortion, reduced power loss and, in motor drive applications, reduced torque ripple. The compensation technique can be easily integrated into a conventional dasiaaverage valuepsila type compensator without the need for significant modification and without the need for experimentally intensive lookup tables.
| Original language | English |
|---|---|
| Title of host publication | IEEE International electric machines and drives conference, 2009. IEMDC '09. Proceedings |
| Place of Publication | New York |
| Publisher | IEEE |
| Pages | 1497-1502 |
| Number of pages | 6 |
| ISBN (Print) | 9781424442515 |
| DOIs | |
| Publication status | Published - 2009 |
| Event | IEEE International Electric Machines and Drives Conference 2009 (IEMDC '09) - Miami, United States Duration: 3 May 2009 → 6 May 2009 |
Conference
| Conference | IEEE International Electric Machines and Drives Conference 2009 (IEMDC '09) |
|---|---|
| Country/Territory | United States |
| City | Miami |
| Period | 3/05/09 → 6/05/09 |
Keywords
- pwm
- sensorless control
- IGBT
- power electronics
- nonlinear voltage distortion effect
- extended IGBT
- turn-off time
- sinusoidal PWM VSI applications
- pwm invertors
- switching convertors
- power conversion harmonics
- insulated gate bipolar transistors
- compensation
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