Single carrier PWM scheme for cascaded multilevel voltage source inverter
This work proposes a new switching scheme for the cascaded multilevel inverter. Unlike other schemes, the proposed method is based on the symmetric regular sampling PWM with a single carrier and multiple modulating signals. Non-transcendental trigonometric equations that define the switching instant...
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| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
| Published: |
2003
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| Subjects: | |
| Online Access: | http://eprints.utm.my/id/eprint/1875/1/ZainalAzizAhmed2003_SingleCarrierPWMSchemeForCascaded.pdf http://eprints.utm.my/id/eprint/1875/ http://dx.doi.org/10.1109/PEDS.2003.1283164 |
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| Summary: | This work proposes a new switching scheme for the cascaded multilevel inverter. Unlike other schemes, the proposed method is based on the symmetric regular sampling PWM with a single carrier and multiple modulating signals. Non-transcendental trigonometric equations that define the switching instants of the multilevel inverter are derived. This algorithm is implemented by a low-cost fixed-point microcontroller on an experimental five level cascaded inverter test-rig. |
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