State of the art of the techniques for grid forming inverters to solve the challenges of renewable rich power grids

E Bikdeli, MR Islam, MM Rahman, KM Muttaqi - Energies, 2022 - mdpi.com
To mitigate the fast-growing demand of electrical energy, the use of renewable energy
resources, eg, solar and wind, can offer an environmentally friendly and sustainable …

[HTML][HTML] Fractional-order autonomous circuits with order larger than one

Y Jiang, B Zhang, X Shu, Z Wei - Journal of Advanced Research, 2020 - Elsevier
Fractional-order circuit is a kind of circuit which contains fractional-order elements. It has
been proved that the fractional-order circuit has some characteristics which are hard to be …

Experimental studies on realization of fractional inductors and fractional‐order bandpass filters

MC Tripathy, D Mondal, K Biswas… - International journal of …, 2015 - Wiley Online Library
This paper presents the hardware realization and performance study of fractional inductors
of order 0< α< 2. The fractional inductors used in this work have been realized with the help …

A survey of single and multi-component Fractional-Order Elements (FOEs) and their applications

ZM Shah, MY Kathjoo, FA Khanday, K Biswas… - Microelectronics …, 2019 - Elsevier
Fractional-Order circuits and networks being a widely researched field lags in its
development due to the non-availability of its basic building block ie Fractional-Order …

Approximated fractional order Chebyshev lowpass filters

T Freeborn, B Maundy… - Mathematical Problems in …, 2015 - Wiley Online Library
We propose the use of nonlinear least squares optimization to approximate the passband
ripple characteristics of traditional Chebyshev lowpass filters with fractional order steps in …

Fractional-order notch filter for grid-connected solar PV system with power quality improvement

M Badoni, A Singh, S Pandey… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
In this article, we deal with the development of a fractional-order notch filter (FONF) for a grid-
connected solar photovoltaic (PV) system. The developed FONF control approach is used to …

Comparison of Fractional-Order Transfer Functions to Approximate Lowpass Butterworth Magnitude Responses

TJ Freeborn - Circuits, Systems, and Signal Processing, 2016 - Springer
Three fractional-order transfer functions are analyzed for differences in realizing (1+ α 1+ α)
order lowpass filters approximating a traditional Butterworth magnitude response. These …

Fractional‐order electronically controlled generalized filters

G Tsirimokou, C Psychalinos… - International Journal of …, 2017 - Wiley Online Library
Novel topologies of fractional‐order generalized filters are introduced in this paper. These
offer the following benefits:(1) realization of lowpass, highpass, bandpass, allpass, or …

Optimal design for realizing a grounded fractional order inductor using GIC

A Adhikary, S Choudhary, S Sen - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
This paper addresses the issue of the optimal design of a grounded fractional order inductor
using a generalized impedance converter. The nonidealities of the op amps have been …

Optimal approximation of fractional-order Butterworth filter based on weighted sum of classical Butterworth filters

S Mahata, N Herencsar, D Kubanek - IEEE Access, 2021 - ieeexplore.ieee.org
In this paper, a new two-steps design strategy is introduced for the optimal rational
approximation of the fractional-order Butterworth filter. At first, the weighting factors of the …