Space-vector pulse-width modulation algorithm for multilevel voltage source inverters based on matrix transformation and including operation in the over-modulation region

Multilevel voltage source inverters are most promising when employed in high-power and high-voltage applications. As the number of inverter levels increases, the algorithm of space-vector pulse-width modulation (SVPWM) becomes increasingly complex. Based on the intrinsic relationship between SVPWM a...

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Vydáno v:IET power electronics Ročník 7; číslo 12; s. 2925 - 2933
Hlavní autoři: Jiang, Weidong, Li, Wangmin, Wu, Zhiqing, She, Yangyang, Tao, Ziran
Médium: Journal Article
Jazyk:angličtina
Vydáno: The Institution of Engineering and Technology 01.12.2014
Témata:
2‐level inverters
Algorithms
arbitrary‐level inverters
Electric potential
Inverters
linear transformation
Mathematical analysis
matrix algebra
matrix transformation
Modulation
Multilevel
multilevel inverters
multilevel voltage source inverters
PWM invertors
space‐vector pulse‐width modulation algorithm
SVPWM algorithm
Vectors (mathematics)
Voltage
PWM invertors
matrix transformation
linear transformation
multilevel voltage source inverters
2-level inverters
multilevel inverters
space-vector pulse-width modulation algorithm
SVPWM algorithm
arbitrary-level inverters
matrix algebra
ISSN:1755-4535, 1755-4543
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Shrnutí:Multilevel voltage source inverters are most promising when employed in high-power and high-voltage applications. As the number of inverter levels increases, the algorithm of space-vector pulse-width modulation (SVPWM) becomes increasingly complex. Based on the intrinsic relationship between SVPWM algorithms for 2-level inverters and those for arbitrary-level inverters, here a novel SVPWM algorithm is proposed for an arbitrary-level inverter. Considering that the nearest three vectors are used to synthesise the reference vector, the on-time of the voltage vector for an arbitrary-level inverter can be acquired from that for a 2-level inverter via the use of a linear transformation. This algorithm is verified through simulation and experiments, with the latter proving that the proposed algorithm can meet the real-time requirements of multilevel inverters.
Bibliografie:ObjectType-Article-1
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content type line 23
ISSN:1755-4535
1755-4543
DOI:10.1049/iet-pel.2013.0823