New modeling approach of secondary control layer for autonomous single-phase microgrids

Bendib, Ahmed; Chouder, Aissa; Kara, Kamel; Kherbachi, Abdelhammid; Barkat, Said; Issa, Walid

doi:10.1016/j.jfranklin.2019.04.020

Cited by 16 publications

(20 citation statements)

References 27 publications

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“…Existing literature on this topic can be broadly classified into timedomain and frequency-domain based methods. Some popular grid synchronization techniques are: Discrete Fourier Transformation (DFT) [9], least-squares [10], [11], maximum likelihood estimator [12], [13], second-order generalized integrator (including linear and nonlinear variants) [14]- [16], adaptive notch filter [17], demodulation [18], [19], open-loop approaches [20], [21], complex coefficient filter [22], delayed signal cancellation [23], Phase-Locked Loop (PLL) [24]- [29], Frequency-Locked Loop (FLL) [16], [30]- [33], adaptive observer [34]- [36], Kalman filter [10], [37], to name a few.…”

Section: Introductionmentioning

confidence: 99%

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Linear Kalman Filter-Based Grid Synchronization Technique: An Alternative Implementation

Ahmed

Biricik

Benbouzid

2021

IEEE Trans. Ind. Inf.

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Grid synchronization techniques play a significant role in integrating renewable energy sources to the electric power grid. In this context, estimating the phase and frequency of the grid voltage signal is an interesting problem. Out of various techniques available in the literature, Linear Kalman Filter (LKF) is one of the most popular one. In this paper, we propose an alternative implementation of the LKF for grid synchronization application. The proposed implementation uses a linear parametric model of the grid voltage signal including DC offset. It does not involve any quadrature signal generation, rather it works by estimating the phase angle. This helps to estimate the unknown grid frequency directly from the phase angle. This clearly differentiates the proposed alternative implementation with respect to the existing implementations. Performance improvement by the proposed technique is verified extensively through comparative numerical simulation and experimental studies. Comparative results demonstrate the suitability of the proposed technique with respect to other state-of-the-art techniques namely Second-Order Generalized Integrator Phase-Locked Loop (SOGI-PLL) and Enhanced Phase-Locked Loop (EPLL).

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Section: Introductionmentioning

confidence: 99%

“…Fast dynamic response can come at the cost of accuracy. FLL [16], [30]- [33] can be an effective solution to address the fast dynamic response. FLL generally exploits the phase relationship between the input variables to estimate the unknown frequency.…”

Section: Introductionmentioning

confidence: 99%

Linear Kalman Filter-Based Grid Synchronization Technique: An Alternative Implementation

Ahmed

Biricik

Benbouzid

2021

IEEE Trans. Ind. Inf.

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“…Owing to the huge importance of grid synchronization technique, many results are available on this topic. Some popular grid synchronization techniques are: regression-based techniques [15]- [17], demodulation techniques [18]- [20], statistical methods [21], discrete Fourier transformation (DFT) [22], [23], adaptive observers [24]- [27], Phaselocked loop (PLL) [28]- [34], frequency-locked loop (FLL) [35]- [38], Kalman filtering [39], [40], self-tuning filter [41], [42], linear and nonlinear harmonic oscillator [43]- [45], open-loop technique [46], [47].…”

Section: Introductionmentioning

confidence: 99%

“…Frequency locked-loop (FLL) [35]- [38] is another approach to estimate the unknown frequency of the grid voltage signal. Unlike PLL-type techniques, FLLs can directly estimate the frequency by exploiting the relationship between the direct axis signal estimation error and the quadrature axis signal.…”

Section: Introductionmentioning

confidence: 99%

Robust Gradient Estimator for Unknown Frequency Estimation in Noisy Environment: Application to Grid-Synchronization

et al. 2020

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This work was supported by the U.K. Biotechnology and Biological Sciences Research Council through the Magnetic and Wireless Sensor Technology for improving profit, biosecurity and carbon footprint of regional oyster production (NOSy) under Grant BB/S004203/1. Data availability: The datasets and models generated during the current study are available from the corresponding author on reasonable request.

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“…Grid-synchronization is a mature topic and numerous results are already proposed in the literature. Some popular techniques are: discrete Fourier transformation (DFT) [16,17], gradient techniques [18][19][20], demodulation techniques [21,22], maximum likelihood estimator [23], Phase-locked loop (PLL) [24][25][26][27][28], adaptive observers [29][30][31], self-tuning filter [32,33], Kalman filtering [34,35], second-order adaptive filter [36][37][38][39][40][41][42][43], open-loop techniques [44][45][46].…”

Section: Introductionmentioning

confidence: 99%

Adaptive Filtering-Based Pseudo Open-Loop Three-Phase Grid-Synchronization Technique

et al. 2020

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This paper studies the grid-synchronization problem of three-phase system. Second-order adaptive filters are a popular tool for grid-synchronization. In this context, reduced-order generalized integrator has attracted some attention in recent time. However, existing implementations cannot control directly the closed-loop poles (real and imaginary) of reduced-order generalized integrator. To overcome this limitation, this paper proposes a novel reduced-order generalized integrator structure. To make the proposed technique frequency adaptive, an open-loop frequency estimation technique is also used. Comparative performance analysis are provided over two other advanced and recently proposed techniques. Results demonstrate the suitability and effectiveness of the proposed technique.

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New modeling approach of secondary control layer for autonomous single-phase microgrids

Cited by 16 publications

References 27 publications

Linear Kalman Filter-Based Grid Synchronization Technique: An Alternative Implementation

Linear Kalman Filter-Based Grid Synchronization Technique: An Alternative Implementation

Robust Gradient Estimator for Unknown Frequency Estimation in Noisy Environment: Application to Grid-Synchronization

Adaptive Filtering-Based Pseudo Open-Loop Three-Phase Grid-Synchronization Technique

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