Double demodulation type open-loop synchronization method for single-phase system

Paper

Gautam, Samir, Verma, Anant Kumar, Torres, Miguel, Manda, Sanjay, Taghizadeh, Foad and Akhtar, Md. Afroz. 2022. "Double demodulation type open-loop synchronization method for single-phase system." 2022 IEEE Global Conference on Computing, Power and Communication Technologies (GlobConPT). New Delhi, India 23 - 25 Sep 2023 United States. IEEE (Institute of Electrical and Electronics Engineers). https://doi.org/10.1109/GlobConPT57482.2022.9938355
Paper/Presentation Title

Double demodulation type open-loop synchronization method for single-phase system

Presentation TypePaper
AuthorsGautam, Samir, Verma, Anant Kumar, Torres, Miguel, Manda, Sanjay, Taghizadeh, Foad and Akhtar, Md. Afroz
Journal or Proceedings TitleProceedings of 2022 IEEE Global Conference on Computing, Power and Communication Technologies (GlobConPT)
Number of Pages6
Year2022
PublisherIEEE (Institute of Electrical and Electronics Engineers)
Place of PublicationUnited States
ISBN9781665493659
Digital Object Identifier (DOI)https://doi.org/10.1109/GlobConPT57482.2022.9938355
Web Address (URL) of Paperhttps://ieeexplore.ieee.org/abstract/document/9938355
Web Address (URL) of Conference Proceedingshttps://ieeexplore.ieee.org/xpl/conhome/9938124/proceeding
Conference/Event2022 IEEE Global Conference on Computing, Power and Communication Technologies (GlobConPT)
Event Details
2022 IEEE Global Conference on Computing, Power and Communication Technologies (GlobConPT)
Delivery
In person
Event Date
23 to end of 25 Sep 2023
Event Location
New Delhi, India
Abstract

This paper presents a single-phase grid voltage pa-rameter estimation approach based on the double demodulation principle. The proposed solution corroborates better dynamic performance while enjoying the properties of demodulation based filtering. A notch-filter based demodulation filtering stage is proposed which rapidly rejects the DC-offset component with-out affecting the usual operating principle yielding a “double demodulation type” of pre-filtering approach. Note that the proposed method depicts an open-loop architecture and doesn't require any tuning parameter compared to well-known phase locked-loop techniques. Moreover, because of the feedback-less nature of the scheme, it requires correction in amplitude and phase information which is achieved by employing a simple mathematical regression approach. Consequently, a simple and dynamically faster synchronization scheme is achievable with the proposed solution whose performance is validated through numerous test cases.

KeywordsDemodulation; grid synchronization; notch filter; single-phase systems
Article Publishing Charge (APC) FundingProject Funding
Contains Sensitive ContentDoes not contain sensitive content
ANZSRC Field of Research 2020400808. Photovoltaic power systems
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Byline AffiliationsUniversity of Sydney
University of O'Higgins, Chile
Huawei Technologies, China
Macquarie University
CSIR-Central Electrochemical Research Institute, India
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