Geometric Algebra Applied to Multiphase Electrical Circuits in Mixed Time–Frequency Domain by Means of Hypercomplex Hilbert Transform

In this paper, power flows in electrical circuits are modelled in a mixed time-frequency domain by using geometric algebra and the Hilbert transform for the first time. The use of this mathematical framework overcomes some of the limitations of some of the existing methodologies, in which the so-cal...

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Main Authors: Francisco G. Montoya, Raúl Baños, Alfredo Alcayde, Francisco M. Arrabal-Campos, Javier Roldán-Pérez
Format: Article
Language:English
Published: MDPI AG 2022-04-01
Series:Mathematics
Subjects:
Online Access:https://www.mdpi.com/2227-7390/10/9/1419
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author Francisco G. Montoya
Raúl Baños
Alfredo Alcayde
Francisco M. Arrabal-Campos
Javier Roldán-Pérez
author_facet Francisco G. Montoya
Raúl Baños
Alfredo Alcayde
Francisco M. Arrabal-Campos
Javier Roldán-Pérez
author_sort Francisco G. Montoya
collection DOAJ
description In this paper, power flows in electrical circuits are modelled in a mixed time-frequency domain by using geometric algebra and the Hilbert transform for the first time. The use of this mathematical framework overcomes some of the limitations of some of the existing methodologies, in which the so-called “active current” may not lead to the lowest Root Mean Square (RMS) current under distorted supply or unbalanced load. Moreover, this current may contain higher levels of harmonic distortion compared to the supply voltage. The proposed method can be used for sinusoidal and non-sinusoidal power supplies, non-linear loads and single- and multi-phase electrical circuits, and it provides meaningful engineering results with a compact formulation. It can also serve as an advanced tool for developing algorithms in the power electronics field. Several examples have been included to verify the validity of the proposed theory.
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spelling doaj.art-b5c2b3b5c5c74fbab0b5274cec9eac1b2023-11-23T08:44:01ZengMDPI AGMathematics2227-73902022-04-01109141910.3390/math10091419Geometric Algebra Applied to Multiphase Electrical Circuits in Mixed Time–Frequency Domain by Means of Hypercomplex Hilbert TransformFrancisco G. Montoya0Raúl Baños1Alfredo Alcayde2Francisco M. Arrabal-Campos3Javier Roldán-Pérez4Department of Engineering, University of Almeria, 04120 Almeria, SpainDepartment of Engineering, University of Almeria, 04120 Almeria, SpainDepartment of Engineering, University of Almeria, 04120 Almeria, SpainDepartment of Engineering, University of Almeria, 04120 Almeria, SpainElectrical Systems Unit, IMDEA Energy Institute, 28935 Madrid, SpainIn this paper, power flows in electrical circuits are modelled in a mixed time-frequency domain by using geometric algebra and the Hilbert transform for the first time. The use of this mathematical framework overcomes some of the limitations of some of the existing methodologies, in which the so-called “active current” may not lead to the lowest Root Mean Square (RMS) current under distorted supply or unbalanced load. Moreover, this current may contain higher levels of harmonic distortion compared to the supply voltage. The proposed method can be used for sinusoidal and non-sinusoidal power supplies, non-linear loads and single- and multi-phase electrical circuits, and it provides meaningful engineering results with a compact formulation. It can also serve as an advanced tool for developing algorithms in the power electronics field. Several examples have been included to verify the validity of the proposed theory.https://www.mdpi.com/2227-7390/10/9/1419geometric algebranon-sinusoidal powerClifford algebrapower theorygeometric electricity
spellingShingle Francisco G. Montoya
Raúl Baños
Alfredo Alcayde
Francisco M. Arrabal-Campos
Javier Roldán-Pérez
Geometric Algebra Applied to Multiphase Electrical Circuits in Mixed Time–Frequency Domain by Means of Hypercomplex Hilbert Transform
Mathematics
geometric algebra
non-sinusoidal power
Clifford algebra
power theory
geometric electricity
title Geometric Algebra Applied to Multiphase Electrical Circuits in Mixed Time–Frequency Domain by Means of Hypercomplex Hilbert Transform
title_full Geometric Algebra Applied to Multiphase Electrical Circuits in Mixed Time–Frequency Domain by Means of Hypercomplex Hilbert Transform
title_fullStr Geometric Algebra Applied to Multiphase Electrical Circuits in Mixed Time–Frequency Domain by Means of Hypercomplex Hilbert Transform
title_full_unstemmed Geometric Algebra Applied to Multiphase Electrical Circuits in Mixed Time–Frequency Domain by Means of Hypercomplex Hilbert Transform
title_short Geometric Algebra Applied to Multiphase Electrical Circuits in Mixed Time–Frequency Domain by Means of Hypercomplex Hilbert Transform
title_sort geometric algebra applied to multiphase electrical circuits in mixed time frequency domain by means of hypercomplex hilbert transform
topic geometric algebra
non-sinusoidal power
Clifford algebra
power theory
geometric electricity
url https://www.mdpi.com/2227-7390/10/9/1419
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