Harmonic interaction between large numbers of photovoltaic inverters and the distribution network

Enslin, J.H.R.; Hulshorst, W.T.J.; Atmadji, A.M.S.; Heskes, P.J.M.; Kotsopoulos, A.; Cobben, J.F.G.; Sluijs, Peter van der

doi:10.1109/ptc.2003.1304365

Cited by 52 publications

(18 citation statements)

References 5 publications

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“…In this study, only the series resonance is evaluated, since it is caused mainly by the considerable presence of electronic loads in the households, which contains capacitors connected between the terminals. An equivalent capacitance of 3 µF was considered, following the reference values given by the authors in [18] for resonance studies. The main characteristics of the network impedance were adjusted in accordance with [19], which gives guidance for determining the reference impedances for use in determining disturbance characteristics of electrical equipment.…”

Section: E Network Impedancementioning

confidence: 99%

Supraharmonics Emission Assessment of Multi-level Converters Applied for Photovoltaic Grid-Connected Inverters

Busatto¹,

Larsson²,

Rönnberg³

et al. 2017

REPQJ

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Abstract.Topologies for different DC-AC converters used on grid-connected photovoltaic (PV) inverters are analysed and compared within this paper. The main focus is to evaluate the supraharmonic emission in the frequency range 2 to 150 kHz. For this study three topologies are evaluated: Neutral Point Clamped (NPC), the Cascaded H-bridge (CHB) and the Flying Capacitor (FC). To approximate the operation closer to a real scenario, the converters are analysed under the presence of voltage waveform distortion in the power supply. The simulation is performed using PSpice for the converters and Simulink for the grid. The characterization is made by the quantification of harmonics and supraharmonics, and also by the frequency domain analysis of the output current. Finally, a comparison of the chosen technologies is carried out, given a better understanding on the elements which exert influence on this type of emission.

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Section: E Network Impedancementioning

confidence: 99%

Supraharmonics Emission Assessment of Multi-level Converters Applied for Photovoltaic Grid-Connected Inverters

Busatto¹,

Larsson²,

Rönnberg³

et al. 2017

REPQJ

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“…Even and odd harmonics In [1] it was assumed that the inverters behave similarly for even and odd harmonics. The measurements performed within this research however show that this is not the case.…”

Section: Model Parametersmentioning

confidence: 99%

Harmonic Modelling of Solar Inverters and Their Interaction with the Distribution Grid

Bosman

Cobben

Myrzik

et al. 2006

Proceedings of the 41st International Universities Power Engineering Conference

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DisclaimerThis document contains a student thesis (bachelor's or master's), as authored by a student at Eindhoven University of Technology. Student theses are made available in the TU/e repository upon obtaining the required degree. The grade received is not published on the document as presented in the repository. The required complexity or quality of research of student theses may vary by program, and the required minimum study period may vary in duration.

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“…However, similar studies applied to 3-phase transformer-less PV inverters still require further investigation, which can be applicable from small domestic installations to large-scale PV stations. In 2003 Enslin [14] investigated the dominating mechanisms of interaction between large populations of PV inverters and the electrical distribution system. More specifically, this study analyses the observed phenomena of harmonic interference and provides some explanation of the resonance between existing network components and the PV inverters.…”

Section: Introductionmentioning

confidence: 99%

State Estimation by Discrete Reduced Order UI Observer and Discrete Kalman Filter for Linear Systems

Das¹,

Singh²

2014

IJAREEIE

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ABSTRACT:The main scope of this paper is to investigate the power quality characteristics of various modern PV inverters installed on small sized rooftop PV stations. For this purpose, seven 3-phase, transformer-less PV inverters with similar electrical characteristics are chosen. Analytical field measurements of 10kWp PV systems, located in different regions of Greece, were performed by means of a Class A Power Analyzer. The data gathered were further analysed in detail and compared in order to identify the main factors affecting important power quality characteristics, including harmonic distortion, voltage fluctuations, as well as power factor and reactive power. The measurements validated some of the inverters' power quality supply characteristics as stated in the datasheets and according to the regulations.

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Harmonic interaction between large numbers of photovoltaic inverters and the distribution network

Cited by 52 publications

References 5 publications

Supraharmonics Emission Assessment of Multi-level Converters Applied for Photovoltaic Grid-Connected Inverters

Supraharmonics Emission Assessment of Multi-level Converters Applied for Photovoltaic Grid-Connected Inverters

Harmonic Modelling of Solar Inverters and Their Interaction with the Distribution Grid

State Estimation by Discrete Reduced Order UI Observer and Discrete Kalman Filter for Linear Systems

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