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Tripping of circuit breakers in PV installations due to zero sequence field impedance

Bart Verhelst UGent, Colin Debruyne UGent, Jan Desmet UGent and Lieven Vandevelde UGent (2011) IEEE Power and Energy Society General Meeting PESGM.
abstract
On the roof of a wool processing company a 385 kWp PV installation is installed. When production of the installation is more than 60% of the rated power the circuit breaker trips. Measurements show high THD(U) of phase voltages and variable waveform of both voltage and current. Analysis of the installation showed that a Yy0 transformer is installed introducing a high zero sequence field impedance. Unbalance in the injected current combined with a zero sequence impedance leads to high voltage drops and distorted phase voltages. Measurements also show high RMS values of the current in the neutral conductor. Analyses show that the tripping of the circuit breaker is caused by the measurement method of the device itself. Higher current values are calculated due to multiple zero crossings of both voltage and current. This paper gives the practical measurement results, causes of errors and the solution to the stated problems.
Please use this url to cite or link to this publication:
author
organization
year
type
conference
publication status
published
subject
keyword
transformer, tripping circuit breaker, zero sequence field impedance, measurement methode, Solar power
in
IEEE Power and Energy Society General Meeting PESGM
issue title
2011 IEEE Power and Energy Society General Meeting
pages
6 pages
publisher
IEEE
place of publication
New York, NY, USA
conference name
General Meeting of the IEEE-Power-and-Energy-Society (PES)
conference location
Detroit, MI, USA
conference start
2011-07-24
conference end
2011-07-28
Web of Science type
Proceedings Paper
Web of Science id
000297469603062
ISSN
1944-9925
ISBN
9781457710018
language
English
UGent publication?
yes
classification
P1
copyright statement
I have transferred the copyright for this publication to the publisher
id
1208874
handle
http://hdl.handle.net/1854/LU-1208874
date created
2011-04-14 11:32:43
date last changed
2012-03-26 09:02:12
@inproceedings{1208874,
  abstract     = {On the roof of a wool processing company a 385 kWp PV installation is installed. When production of the installation is more than 60\% of the rated power the circuit breaker trips. Measurements show high THD(U) of phase voltages and variable waveform of both voltage and current. Analysis of the installation showed that a Yy0 transformer is installed introducing a high zero sequence field impedance. Unbalance in the injected current combined with a zero sequence impedance leads to high voltage drops and distorted phase voltages. Measurements also show high RMS values of the current in the neutral conductor. Analyses show that the tripping of the circuit breaker is caused by the measurement method of the device itself. Higher current values are calculated due to multiple zero crossings of both voltage and current. This paper gives the practical measurement results, causes of errors and the solution to the stated problems.},
  author       = {Verhelst, Bart and Debruyne, Colin and Desmet, Jan and Vandevelde, Lieven},
  booktitle    = {IEEE Power and Energy Society General Meeting PESGM},
  isbn         = {9781457710018},
  issn         = {1944-9925},
  keyword      = {transformer,tripping circuit breaker,zero sequence field impedance,measurement methode,Solar power},
  language     = {eng},
  location     = {Detroit, MI, USA},
  pages        = {6},
  publisher    = {IEEE},
  title        = {Tripping of circuit breakers in PV installations due to zero sequence field impedance},
  year         = {2011},
}

Chicago
Verhelst, Bart, Colin Debruyne, Jan Desmet, and Lieven Vandevelde. 2011. “Tripping of Circuit Breakers in PV Installations Due to Zero Sequence Field Impedance.” In IEEE Power and Energy Society General Meeting PESGM. New York, NY, USA: IEEE.
APA
Verhelst, B., Debruyne, C., Desmet, J., & Vandevelde, L. (2011). Tripping of circuit breakers in PV installations due to zero sequence field impedance. IEEE Power and Energy Society General Meeting PESGM. Presented at the General Meeting of the IEEE-Power-and-Energy-Society (PES), New York, NY, USA: IEEE.
Vancouver
1.
Verhelst B, Debruyne C, Desmet J, Vandevelde L. Tripping of circuit breakers in PV installations due to zero sequence field impedance. IEEE Power and Energy Society General Meeting PESGM. New York, NY, USA: IEEE; 2011.
MLA
Verhelst, Bart, Colin Debruyne, Jan Desmet, et al. “Tripping of Circuit Breakers in PV Installations Due to Zero Sequence Field Impedance.” IEEE Power and Energy Society General Meeting PESGM. New York, NY, USA: IEEE, 2011. Print.