Predict the level of harmonic distortion due to dispersed generation

Cobben, Sjef; Kling, W.L.; Heskes, P.J.M.; Oldenkamp, H.

doi:10.1049/cp:20051025

Cited by 4 publications

(3 citation statements)

References 2 publications

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“…Currents at the same frequencies as the applied voltage frequencies in UPoC represent the diagonal elements of the FCM (classical admittance), while currents at different frequencies than the applied respective voltage frequencies represent the offdiagonal elements of the FCM (controlled current source). The FCM can be identified by applying a frequency sweep [9] over a single-frequent voltage distortion at the AC side of the inverter with regard to the reference point, which is also known as fingerprint when identifying PE devices in general [10]. By measuring the multi-frequent current response, the FCM can be calculated elementwise with , .…”

Section: ) Invertermentioning

confidence: 99%

Framework to assess the stable operation of commercially available single-phase inverters for photovoltaic applications in public low voltage networks

Kaufhold¹,

Meyer²,

Myrzik³

et al. 2023

RE&PQJ

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This paper presents a framework to assess the grid compatibility of single-phase inverters connected to public low voltage network, which is characterized by a stable operation at reasonable emission. The assessment is based on considering emission, immunity and stability. The state of the art for commercially available devices relies only on the classical, impedance-based stability analysis based on the Nyquist criterion. However, experiences have shown that this is not sufficient for a statement towards the stable operation of an inverter, since the stable operation can also be affected by other factors than the network impedance, e.g. a background voltage distortion. Exemplary laboratory measurements of two commercially available single-phase PV inverters are presented to validate the statement by showing that despite the impedance-based stability criterion is met, inverters can still trip in presence of a high background voltage distortion. The paper concludes that the immunity of the inverter with regard to the voltage distortion at the point of connection (PoC) is additionally of importance for its stable operation.

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Section: ) Invertermentioning

confidence: 99%

Framework to assess the stable operation of commercially available single-phase inverters for photovoltaic applications in public low voltage networks

Kaufhold¹,

Meyer²,

Myrzik³

et al. 2023

RE&PQJ

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“…They aim to reduce cost and improve the efficiency at part load thereby increasing overall system efficiency. More on this topic can be found in literature [5,6,7]. …”

Section: Othermentioning

confidence: 99%

“…In [5] a simple model has been proposed to model gridinverter interaction with standard grid components. The objective of this paper is to validate the model for several commercial photovoltaic inverters.…”

Section: Introductionmentioning

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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Towards the establishment of maximum PV generation limits due to power quality constraints

Patsalides

Stavrou

Efthymiou

et al. 2012

International Journal of Electrical Power & Energy Systems

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Predict the level of harmonic distortion due to dispersed generation

Cited by 4 publications

References 2 publications

Framework to assess the stable operation of commercially available single-phase inverters for photovoltaic applications in public low voltage networks

Framework to assess the stable operation of commercially available single-phase inverters for photovoltaic applications in public low voltage networks

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

Towards the establishment of maximum PV generation limits due to power quality constraints

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