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AuthorAhmad, Salman
AuthorAshraf, I.
AuthorIqbal, Atif
AuthorFatimi, M. A. A.
Available date2022-03-31T08:05:56Z
Publication Date2018
Publication NameProceedings - 2018 IEEE 12th International Conference on Compatibility, Power Electronics and Power Engineering, CPE-POWERENG 2018
ResourceScopus
Identifierhttp://dx.doi.org/10.1109/CPE.2018.8372498
URIhttp://hdl.handle.net/10576/29173
AbstractIn medium voltage high power applications good quality waveform with low switching losses is more preferred. In this context, low switching frequency modulation techniques based on pre-computed PWM switching patterns is very useful because the generated harmonic content is known in advance and therefore can be optimized as much as possible. Among the different low switching frequency Pulse width modulation (PWM) techniques, the Selective harmonics elimination (SHE) modulation method is widely investigated and applied because of direct control over the harmonics spectrum. This paper proposes a method for obtaining multiple solutions for switching angles in wide range of operation while selectively eliminating specific harmonics by using modified Newton Raphson (NR) and pattern generation approach. This methodology leads to multiple solutions and provides more flexibility to operate power converter in a wide range of modulation. In this paper only exact solution for the low order harmonics elimination of a multilevel converter are reported at all modulation indices. Analytical and Simulation results prove the robustness and correctness of the proposed technique.
Languageen
PublisherInstitute of Electrical and Electronics Engineers Inc.
SubjectHarmonics Elimination
Jacobian
Modified Newton-Raphson
Power Converter
Pulse Width Modulation
Switching angles
TitleSHE PWM for multilevel inverter using modified NR and pattern generation for wide range of solutions
TypeConference Paper
dc.accessType Abstract Only


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