Study and Improvement of DC-Link Perturbations Models for DCI-NPC Power Amplifiers

Romeral L, Sala V. Study and Improvement of DC-Link Perturbations Models for DCI-NPC Power Amplifiers. In: AES Convention 127. Audio Engineering Society; 2009.pp. 7837:1-. Available from: https://aes.org/publications/elibrary-page/?id=15032

@inproceedings{Romeral2009_15032,
  author = {Romeral, Luis and Sala, Vicent},
  title = {{Study and Improvement of DC-Link Perturbations Models for DCI-NPC Power Amplifiers}},
  booktitle = {AES Convention 127},
  pages = {7837:1-},
  year = {2009},
  month = oct,
  publisher = {Audio Engineering Society},
  url = {https://aes.org/publications/elibrary-page/?id=15032}
}

TY  - CPAPER
TI  - Study and Improvement of DC-Link Perturbations Models for DCI-NPC Power Amplifiers
AU  - Romeral, Luis
AU  - Sala, Vicent
T2  - AES Convention 127
SP  - 1
M1  - Paper 7837
PY  - 2009
DA  - 2009/10/06
UR  - https://aes.org/publications/elibrary-page/?id=15032
PB  - Audio Engineering Society
LA  - en
AB  - This paper presents the most important sources of distortion in high power DCI-NPC amplifiers. These distortions sources are attributed to power supply perturbations due to the DC-Link midpoint voltage oscillations. It is presented a classic model for assessing the magnitude of these disturbances and to justify the need to correct the classic model to accommodate the real load impedance variations. It is proposed a new model and this is compared and studied with the classic by analytical, experimental and simulation methods. This work concludes that, in control or cancellation applications, it is necessary to use models that include the load impedance variations regarding the frequency.
ER  -