Assessment of Prevailing Harmonic Current Emission in Public Low-Voltage Networks

Meyer, Jan; Blanco, A. M.; Domagk, Max; Schegner, Peter

doi:10.1109/tpwrd.2016.2558187

Cited by 67 publications

(69 citation statements)

References 17 publications

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“…In line with IEC 61000-4-30 principles, the aggregation of harmonic phasors to retain the phase angle information is proposed in [13,14]. The approach thus far has been limited to the application of measurements on low-voltage and medium-voltage systems [11], but has yielded value for in the assessment of harmonic emission.…”

Section: Harmonic Phasors Aggregationmentioning

confidence: 99%

“…Note that most of the harmonic phasors are located in more than two quadrants in some instances, highlighting their dynamic nature within this high-voltage network. It is has been shown in [14] that if one source of harmonics exist within a network the harmonic current phasors would be localised in one quadrant and in some cases partially sharing with another quadrant.…”

Section: Aggregated Harmonic Phasorsmentioning

confidence: 99%

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Harmonic emission assessment on a distribution network: the opportunity for the prevailing angle in harmonic phasors

Peterson¹,

Rens²,

Desmet³

2017

CIRED - Open Access Proceedings Journal

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Harmonic emission assessment in high-voltage networks with a number of renewable power plants (RPP) interconnected is challenging. A sound scientific methodology readily accessible to engineers is needed to validate the compliance to grid code requirement set by the distribution system operator. Harmonic phasors recorded coherently all over the network can cause an impractical volume of data. This study investigates the opportunity to improve existing methodologies by application of the prevailing angle in a harmonic phasor as an approach to significant reduction of data and then demonstrate the evaluation of grid compliance in a network with a number of RPP interconnected. It is shown that the unrelated dynamic nature of the different non-linear energy sources does compromise the practical application of the prevailing harmonic phase angle. It is then concluded that the dynamic nature of RPP necessitates continuous monitoring of grid code requirements on harmonic emission.

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Section: Harmonic Phasors Aggregationmentioning

confidence: 99%

Section: Aggregated Harmonic Phasorsmentioning

confidence: 99%

Harmonic emission assessment on a distribution network: the opportunity for the prevailing angle in harmonic phasors

Peterson¹,

Rens²,

Desmet³

2017

CIRED - Open Access Proceedings Journal

View full text Add to dashboard Cite

show abstract

“…Electronic appliances have different circuit topologies and consequently different current waveforms and different harmonic emission [1], [2]. In order to analyse the effect of multitude of electronic devices in the network, it is indispensable to classify first the multitude of electronic appliances in certain number of categories, and develop models according to each equipment category.…”

Section: Introductionmentioning

confidence: 99%

Automatic classification of circuit topologies of appliances based on higher order statistic

Florencias-Oliveros¹,

Blanco²,

Meyer³

et al. 2019

REPQJ

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“…In relevant studies, the harmonic emission level is mainly evaluated based on the harmonic contributions of the supply system and the consumer at the point of common coupling (PCC) [7][8][9][10]. Many evaluation methods have emerged, including Kalman filter [11][12], harmonic state estimation [13], k-nearest neighbors (kNN) algorithm [14], empirical mode decomposition [15] and distributed measurements [6].…”

Section: Introductionmentioning

confidence: 99%

An Evaluation Method for Harmonic Emission Level Based on Principal Component Regression

Wang¹,

Wang²,

Wu³

et al. 2019

EJEE

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To identify the responsible party of harmonic pollution, this paper puts forward a novel estimation method for harmonic emission level based on principal component regression (PCR). After introducing the principles of the PCR, the author set up a regression equation based on the complex relationship between harmonic voltage, harmonic current and harmonic impedance of the supply system at the point of common coupling (PCC). Then, the PCR was introduced to estimate the harmonic emission levels of the supply system and the consumer at the PCC. The validity of our method was verified through both simulation and field test. The results show that our method can accurately estimate the harmonic emission level, while overcoming the multicollinearity of independent variables and retaining important information in regression.

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Assessment of Prevailing Harmonic Current Emission in Public Low-Voltage Networks

Cited by 67 publications

References 17 publications

Harmonic emission assessment on a distribution network: the opportunity for the prevailing angle in harmonic phasors

Harmonic emission assessment on a distribution network: the opportunity for the prevailing angle in harmonic phasors

Automatic classification of circuit topologies of appliances based on higher order statistic

An Evaluation Method for Harmonic Emission Level Based on Principal Component Regression

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