FFT-Based Amplitude Estimation of Power Distribution Systems Signal Distorted by Harmonics and Noise

Wen, He; Zhang, Junhao; Yao, Wenxuan; Tang, Lu

doi:10.1109/tii.2017.2749682

Cited by 43 publications

(19 citation statements)

References 35 publications

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“…As mentioned, in this paper the design problem of PSS and UPFCbased controller is formulated as a multi-objective optimisation problem. For computing controller, optimal parameters, (14) and (15) are solved using SPEA II. In the following, this optimisation method is briefly described.…”

Section: Multi-objective Optimisation Algorithmmentioning

confidence: 99%

“…In this equation, u and p are the number of UPFC and the generators with PSS, respectively, and e is the number of the eigenvalues of the power system. It should be noted that these constraints are written using (14) and (15), and in here T PSS is the transfer function of the PSSs, and T UPFC is the transfer function of the UPFC. Also, λi and Ri are the eigenvalues and residual values calculated using the proposed method, respectively.…”

Section: Multi-objective Optimisation Algorithmmentioning

confidence: 99%

“…Some methods only implemented to ringdown oscillations, such as Fourier transform and Prony methods. Fourier transform often used with other methods because it alone is not suitable for estimating the damping ratio [13][14][15]. Prony method is exerted for studying unstable oscillations and setting power system stabiliser (PSS) parameters [16][17][18][19].…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Coordinated design of PSS and unified power flow controller using the combination of CWT and Prony methods with the help of SPEA II multi‐objective optimisation algorithm

Naghshbandy

Faraji

2019

IET Generation, Transmission & Distribution

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Section: Multi-objective Optimisation Algorithmmentioning

confidence: 99%

Section: Multi-objective Optimisation Algorithmmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Coordinated design of PSS and unified power flow controller using the combination of CWT and Prony methods with the help of SPEA II multi‐objective optimisation algorithm

Naghshbandy

Faraji

2019

IET Generation, Transmission & Distribution

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“…A traditional harmonic parameter estimating routine, adopted in papers [4][5][6][7], contains four steps: first, obtain the information in the frequency domain by using DFT. Second, construct an interpolation formula based on peak spectra in the frequency domain.…”

Section: Introductionmentioning

confidence: 99%

Inter‐harmonics analysis and parameter estimation based on H2R6 window and constructing low‐interference zone

Liu

et al. 2020

IET Communications

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“…Several methods have been proposed in the literature to accurately estimate the parameters of sinusoids using parametric and non-parametric methods. Discrete Fourier Transform (DFT) [9]- [11] with fixed data length is used [12] where picket fence effect and spectral leakage [13] are two inevitable defects occur due to nonsynchronous sampling. To circumvent the above problems designing an optimal window function is required.…”

Section: Introductionmentioning

confidence: 99%

Accurate Real-Time Estimation of Power System Transients Using Constrained Symmetric Strong Tracking Square-Root Cubature Kalman Filter

2019

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The paper presents a fast and accurate algorithm for estimating four significant parameters (i.e., amplitude, frequency, phase angle, and damping factor) of a typical transient signal. The method can be connoted as the constrained symmetric strong tracking square-root cubature Kalman filter (CSSTSCKF). The important aspects of the proposed algorithm are: 1) constraints are imposed on the state vectors by way of a logarithmic barrier function that is either ignored or handled heuristically; 2) symmetric sub-optimal multiple fading factors (FFs) are augmented into the predicted covariance matrix to capture sudden changes and to tune the gain matrix in real-time; moreover, symmetry of the covariance matrix is guaranteed by the influence of Cholesky triangular decomposition; 3) effect of noise can be adjusted by tuning the soften factor. Several case studies have been simulated to evaluate the proposed algorithm with respect to some of the well-known state-of-the-art methods. The real-time performance has been evaluated by flashing the filter codes into an ARM Cortex-M7 processor board and tracking the real-time signal from the experimental test bench. The results, presented herein, indicate that the CSSTSCKF remarkably outperforms all other considered techniques. Furthermore, the stability analysis of the nonlinear filter has been proved based on the constructor expression considering the boundedness of the estimation errors and other sub-items. INDEX TERMS Cholesky triangular decomposition, fading factor (FF), inequality constraints, logarithmic barrier function, power system transient, strong tracking square-root cubature Kalman filter (STSCKF).

show abstract

FFT-Based Amplitude Estimation of Power Distribution Systems Signal Distorted by Harmonics and Noise

Cited by 43 publications

References 35 publications

Coordinated design of PSS and unified power flow controller using the combination of CWT and Prony methods with the help of SPEA II multi‐objective optimisation algorithm

Coordinated design of PSS and unified power flow controller using the combination of CWT and Prony methods with the help of SPEA II multi‐objective optimisation algorithm

Inter‐harmonics analysis and parameter estimation based on H2R6 window and constructing low‐interference zone

Accurate Real-Time Estimation of Power System Transients Using Constrained Symmetric Strong Tracking Square-Root Cubature Kalman Filter

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