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VECTOR PWM MODULATOR WITH CONTINUOUS TRANSITION TO THE SIX-STEP MODE
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| Author(s) |
A. Haras; D. Roye |
| Abstract |
Full output voltage range of a voltage source PWM inverter is achieved vvith a special overmodulation strategy. The aim of control is to establish a linear relation between desired and real fundamental of output voltage including the overmodulation region. Gate pulse minimal time is considered as an important parameter of an inverter. Space vector strategy is used to cover full range of inverter output voltage up to the six-step mode. Three general commutation rhythms are presented: called three-phase, two-phase and one-phase vector modulation. Two algorithms enabling the choice of the commutation rhythm vvith pulse minimal time control are presented. A practical implementation and experimental results are shown. |
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| Filename: | Unnamed file |
| Filesize: | 372.3 KB |
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| Type |
Members Only |
| Date |
Last modified 2018-05-16 by System |
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