Spectral characteristics of resonant-link inverters

Stephen J. Finney, Tim C. Green, Barry W. Williams

Research output: Contribution to journalArticle

Abstract

Improvement in the frequency spectrum of resonant-link inverters does not match the increase in switching frequency because of the restriction of integral pulse modulation schemes such as delta modulation. Comparisons of low-frequency pulse width modulation with high-frequency delta modulation show that the spread spectrum of delta modulation may cause problems owing to low-frequency harmonics, despite a better total harmonic distortion. An assessment of total losses, for a bipolar junction transistor Darlington example, is used to set the operating frequency in each modulation case.

Original languageEnglish
Pages (from-to)562-570
Number of pages9
JournalIEEE Transactions on Power Electronics
Volume8
Issue number4
DOIs
Publication statusPublished - Oct 1993

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Delta modulation
Pulse modulation
Bipolar transistors
Harmonic distortion
Frequency modulation
Switching frequency
Pulse width modulation
Modulation

Cite this

Finney, Stephen J. ; Green, Tim C. ; Williams, Barry W. / Spectral characteristics of resonant-link inverters. In: IEEE Transactions on Power Electronics. 1993 ; Vol. 8, No. 4. pp. 562-570.
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Spectral characteristics of resonant-link inverters. / Finney, Stephen J.; Green, Tim C.; Williams, Barry W.

In: IEEE Transactions on Power Electronics, Vol. 8, No. 4, 10.1993, p. 562-570.

Research output: Contribution to journalArticle

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