Selective harmonic control: a general problem formulation and selected solutions

Selective harmonic elimination/control has been a widely researched alternative to traditional pulse-width modulation techniques. Previous and current work has made fundamental assumptions that enforce output waveform quarter-wave symmetry, presumably in order to reduce the complexity of the resulti...

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Vydáno v:IEEE transactions on power electronics Ročník 20; číslo 6; s. 1337 - 1345
Hlavní autoři: Wells, J.R., Nee, B.M., Chapman, P.L., Krein, P.T.
Médium: Journal Article
Jazyk:angličtina
Vydáno: New York, NY IEEE 01.11.2005
Institute of Electrical and Electronics Engineers
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Témata:
Applied sciences
Circuit topology
Control systems
Electrical engineering
Electrical engineering. Electrical power engineering
Electronics
Equations
Exact sciences and technology
Formulations
Fourier series
Harmonic analysis
Harmonic control
harmonic elimination
harmonic reduction
Harmonics
Mathematical analysis
Modulation
Modulation coding
Optimization
Phase modulation
Power electronics, power supplies
programmed pulse-width modulation (PWM)
Pulse modulation
Pulse width modulation
selective harmonic elimination (SHE)
Space vector pulse width modulation
Switching frequency
Symmetry
Waveforms
Waveform
harmonic reduction
programmed pulse-width modulation (PWM)
Theoretical study
Harmonic analysis
Power electronics
Harmonics suppression
Experimental result
harmonics
Switching conditions
selective harmonic elimination (SHE)
Control method
Pulse duration modulation
Harmonic control
System analysis
Three level system
harmonic elimination
ISSN:0885-8993, 1941-0107
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Popis
Shrnutí:Selective harmonic elimination/control has been a widely researched alternative to traditional pulse-width modulation techniques. Previous and current work has made fundamental assumptions that enforce output waveform quarter-wave symmetry, presumably in order to reduce the complexity of the resulting equations. However, the quarter-wave symmetric assumption is not strictly necessary. It restricts the solution space, which can result in sub-optimal solutions with regards to the uncontrolled harmonic distribution. A more general formulation is proposed, removing the quarter-wave symmetry constraint for two classes of the m-level, n-harmonic harmonic control problem. The special cases of two- and three-level harmonic elimination are presented in detail along with representative solutions for each harmonic control problem. New solutions previously unattainable based on quarter-wave symmetric techniques are identified.
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ISSN:0885-8993
1941-0107
DOI:10.1109/TPEL.2005.857541