Analysis and Application of Zigzag Transformer in Distribution System for Mitigation of Triplen Harmonics

Shaikh, Suhel Kaisar; Mulla, Anwar M.; Bagwan, Sameer Usman; Makandar, Yakub Anwar

doi:10.1109/icces48766.2020.9137857

Cited by 3 publications

(3 citation statements)

References 13 publications

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“…For basic knowledge about zigzag transformers can study the reference [5]. Several previous studies have used zigzag transformers with wye connections to reduce triplen harmonics [6][7] [8]. However, this research was only carried out on triplen harmonics, not yet carried out on other multiple harmonics.…”

Section: Introductionmentioning

confidence: 99%

Investigation of the usage of zigzag transformers to reduce harmonics distortion in distribution systems

Gumilar,

Wicaksono,

Afandi

et al. 2023

J. Mechatron. Electr. Power Veh. Technol.

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The increasing use of power electronics in various sectors leads to harmonic distortion in electric power systems, affecting power quality and equipment longevity. While harmonic filters have been used to address this issue, they are limited in effectiveness, particularly in reducing distortion across the entire distribution system. This study aims to reduce harmonic distortion using a zigzag transformer as a more comprehensive solution in mitigating harmonic distortion throughout the entire distribution system. In this research, the zigzag transformer was placed at point common coupling to reduce harmonic distortion in the distribution system as a whole. A zigzag transformer connection was configured by connecting either three windings of a single-phase transformer or one winding of a three-phase transformer. Based on the results of this research, the total harmonic distortion (THD) value has decreased from 25.26 % to 2.48 % following the implementation of the zigzag transformer. This substantial decrease in THD concludes the zigzag transformer's effectiveness as a solution for improving power quality in electrical distribution systems.

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Section: Introductionmentioning

confidence: 99%

Investigation of the usage of zigzag transformers to reduce harmonics distortion in distribution systems

Gumilar,

Wicaksono,

Afandi

et al. 2023

J. Mechatron. Electr. Power Veh. Technol.

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“…Shaikh et al [16] proposed a zigzag transformer to minimize the harmonic currents and the neutral overload. The various nature of the loads connected to the four-phase three-wire distribution system.…”

Section: Introductionmentioning

confidence: 99%

“…𝑍 𝑠3ℎ ≅ 2.89𝑍 𝑠𝑓𝑙 (16) where Zs3hl is the magnitude of the impedance of inductor L for third harmonic components, Zs3hc is the magnitude of the impedance of capacitor C for third harmonic components, Zs3h is the magnitude of total impedance for the third harmonic component. The ( 16) is by neglecting Rs as it is much less than Zsfl.…”

mentioning

confidence: 99%

Third harmonic current minimization using third harmonic blocking transformer

Bhat¹,

Pius²

2022

IJEECS

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Zero sequence blocking transformers (ZSBTs) are used to suppress third harmonic currents in 3-phase systems. Three-phase systems where single-phase loading is present, there is every chance that the load is not balanced. If there is zero-sequence current due to unequal load current, then the ZSBT will impose high impedance and the supply voltage at the load end will be varied which is not desired. This paper presents Third harmonic blocking transformer (THBT) which suppresses only higher harmonic zero sequences. The constructional features using all windings in single-core and construction using three single-phase transformers explained. The paper discusses the constructional features, full details of circuit usage, design considerations, and simulation results for different supply and load conditions. A comparison of THBT with ZSBT is made with simulation results by considering four different cases.

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Evaluation of Zero and Negative Sequence Currents Influence of Asymmetric Load on the Power Losses and Quality in Distribution Networks

Elkholy,

Panfilov,

El Gebaly

2023

2023 IEEE 24th International Conference of Young Professionals in Electron Devices and Materials (EDM)

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Analysis and Application of Zigzag Transformer in Distribution System for Mitigation of Triplen Harmonics

Cited by 3 publications

References 13 publications

Investigation of the usage of zigzag transformers to reduce harmonics distortion in distribution systems

Investigation of the usage of zigzag transformers to reduce harmonics distortion in distribution systems

Third harmonic current minimization using third harmonic blocking transformer

Evaluation of Zero and Negative Sequence Currents Influence of Asymmetric Load on the Power Losses and Quality in Distribution Networks

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