The effect of inrush transients on PV inverter's grid impedance measurement based on inter-harmonic injection

V. Cuk; S. Bhattacharyya; J.F.G. Cobben; W.L. Kling; R.B. Timens; F.B.J. Leferink

The effect of inrush transients on PV inverter's grid impedance measurement based on inter-harmonic injection

V. Cuk, S. Bhattacharyya, J.F.G. Cobben, W.L. Kling, R.B. Timens, F.B.J. Leferink

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Academic › peer-review

Abstract

This paper addresses a cause for false tripping of photovoltaic inverters with anti-islanding protection based on impedance measurement with inter-harmonic injection. Earlier discussions about tripping problems happening when several devices are doing the measurement at the same time are supplemented with a problem caused by inrush transients of nearby devices. A series of experiments was conducted in the Power Quality laboratory of the TU/e, on a PV inverter which complies with the DIN VDE 0126 standard. Impedance measurement was done in parallel with the inverter and measurement results are presented. A criterion for false tripping caused by transients is explored. Also, influences of network impedance and grid harmonic pollution on false tripping were analyzed. In the end, some signal processing techniques are proposed to avoid this problem.

Original language	English
Title of host publication	Proceeedings of the International Conference on Renewable Energies and Power Quality (ICREPQ 2010), 23-25 March 2010, Granada, Spain
Place of Publication	Z.pl.
Publisher	s.n.
Pages	404-1/6
Publication status	Published - 2010

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Cuk, V., Bhattacharyya, S., Cobben, J. F. G., Kling, W. L., Timens, R. B., & Leferink, F. B. J. (2010). The effect of inrush transients on PV inverter's grid impedance measurement based on inter-harmonic injection. In Proceeedings of the International Conference on Renewable Energies and Power Quality (ICREPQ 2010), 23-25 March 2010, Granada, Spain (pp. 404-1/6). s.n..

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title = "The effect of inrush transients on PV inverter's grid impedance measurement based on inter-harmonic injection",

abstract = "This paper addresses a cause for false tripping of photovoltaic inverters with anti-islanding protection based on impedance measurement with inter-harmonic injection. Earlier discussions about tripping problems happening when several devices are doing the measurement at the same time are supplemented with a problem caused by inrush transients of nearby devices. A series of experiments was conducted in the Power Quality laboratory of the TU/e, on a PV inverter which complies with the DIN VDE 0126 standard. Impedance measurement was done in parallel with the inverter and measurement results are presented. A criterion for false tripping caused by transients is explored. Also, influences of network impedance and grid harmonic pollution on false tripping were analyzed. In the end, some signal processing techniques are proposed to avoid this problem.",

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year = "2010",

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The effect of inrush transients on PV inverter's grid impedance measurement based on inter-harmonic injection. / Cuk, V.; Bhattacharyya, S.; Cobben, J.F.G. et al.
Proceeedings of the International Conference on Renewable Energies and Power Quality (ICREPQ 2010), 23-25 March 2010, Granada, Spain. Z.pl.: s.n., 2010. p. 404-1/6.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Academic › peer-review

TY - GEN

T1 - The effect of inrush transients on PV inverter's grid impedance measurement based on inter-harmonic injection

AU - Cuk, V.

AU - Bhattacharyya, S.

AU - Cobben, J.F.G.

AU - Kling, W.L.

AU - Timens, R.B.

AU - Leferink, F.B.J.

PY - 2010

Y1 - 2010

N2 - This paper addresses a cause for false tripping of photovoltaic inverters with anti-islanding protection based on impedance measurement with inter-harmonic injection. Earlier discussions about tripping problems happening when several devices are doing the measurement at the same time are supplemented with a problem caused by inrush transients of nearby devices. A series of experiments was conducted in the Power Quality laboratory of the TU/e, on a PV inverter which complies with the DIN VDE 0126 standard. Impedance measurement was done in parallel with the inverter and measurement results are presented. A criterion for false tripping caused by transients is explored. Also, influences of network impedance and grid harmonic pollution on false tripping were analyzed. In the end, some signal processing techniques are proposed to avoid this problem.

AB - This paper addresses a cause for false tripping of photovoltaic inverters with anti-islanding protection based on impedance measurement with inter-harmonic injection. Earlier discussions about tripping problems happening when several devices are doing the measurement at the same time are supplemented with a problem caused by inrush transients of nearby devices. A series of experiments was conducted in the Power Quality laboratory of the TU/e, on a PV inverter which complies with the DIN VDE 0126 standard. Impedance measurement was done in parallel with the inverter and measurement results are presented. A criterion for false tripping caused by transients is explored. Also, influences of network impedance and grid harmonic pollution on false tripping were analyzed. In the end, some signal processing techniques are proposed to avoid this problem.

M3 - Conference contribution

SP - 404-1/6

BT - Proceeedings of the International Conference on Renewable Energies and Power Quality (ICREPQ 2010), 23-25 March 2010, Granada, Spain

PB - s.n.

CY - Z.pl.

ER -

The effect of inrush transients on PV inverter's grid impedance measurement based on inter-harmonic injection

Abstract

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