Scopus
YÖKSİS Eşleşti
High-Order Delayed Signal Cancellation-Based PLL Under Harmonically Distorted Grid Voltages
IEEE Transactions on Instrumentation and Measurement · Ocak 2023
YÖKSİS Kayıtları
High-Order Delayed Signal Cancellation-Based PLL Under Harmonically Distorted Grid Voltages
IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT · 2023 SCI-Expanded
DOKTOR ÖĞRETİM ÜYESİ FEHMİ SEVİLMİŞ →
High-Order Delayed Signal Cancellation-Based PLL Under Harmonically Distorted Grid Voltages
IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT · 2023 SCI-Expanded
DOÇENT HULUSİ KARACA →
Makale Bilgileri
DergiIEEE Transactions on Instrumentation and Measurement
Yayın TarihiOcak 2023
Cilt / Sayfa72
Scopus ID2-s2.0-85165882854
Özet
Quasi type-1 phase-locked loop (QT1-PLL) has become very popular in recent times for grid-connected converters owing to their simple structure and fast dynamic response. By means of the use of a half-cycle moving average filter (MAF), this PLL can completely eliminate all the nominal frequency odd-order harmonics. However, the performance deteriorates when the grid experiences frequency drift. To address this issue, high-order nonadaptive MAF with the same window length has been proposed in the literature. Although it improves the off-nominal frequency performance, the filtering-induced phase-lag remains the same. To address this issue, high-order delayed signal cancellation (DSC) technique is considered in this study. The proposed technique demonstrates similar filtering performance as high-order MAF, however, by using lower window length. This makes the proposed technique fast responsive with lower memory requirement compared to similar other techniques in the literature. Detailed small-signal modeling and associated parameter tuning method are established to facilitate the implementation of the proposed method inside current controllers of grid-connected converters. Comparative experimental results are provided with QT1-PLL and third-order QT1-PLL (TQT1-PLL) to illustrate the suitability and performance enhancement by the proposed method. These results show that in addition to the superior filtering capability of the proposed PLL, its settling time is less than one cycle of nominal frequency under most grid conditions. Consequently, in terms of enhancing the dynamic response of the QT1-PLL, the proposed HDSC-PLL is superior to the TQT1-PLL.
Yazarlar (3)
1
Fehmi Sevilmiş
ORCID: 0000-0002-6059-9583
2
Hulusi Karaca
3
Hafiz Ahmed
ORCID: 0000-0001-8952-4190
Anahtar Kelimeler
Delayed signal cancellation (DSC)
grid-connected converter
moving average filter (MAF)
phase-locked loop (PLL)
Kurumlar
Nuclear Advanced Manufacturing Research Centre
Rotherham United Kingdom
Selçuk Üniversitesi
Selçuklu Turkey
Metrikler
4
Atıf
3
Yazar
4
Anahtar Kelime