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OLTC selection and switching reduction in multiple-Feeder LV distribution networks

Louis Gevaert (UGent) , Tine Vandoorn (UGent) , Christof Deckmyn (UGent) , Jan Van de Vyver (UGent) and Lieven Vandevelde (UGent)
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Abstract
On-Load Tap Changers (OLTCs) are increasingly being considered to control the voltage in Low-Voltage (LV) distribution grids. Today, most OLTC control strategies are based on secondary transformer measurements, while a Field Measurement Based (FMB) control could increase the quality further. In this paper, field measurements, performed by a Distribution System Operator (DSO), are used to simulate the voltage quality improvement derived from implementing an OLTC with FMB control. Unfortunately, FMB control results in an unacceptable number of tap changes, so, in order to improve FMB control, two strategies to reduce the number of tap changes are presented. Next, an OLTC selection procedure is clarified. Both the voltage range of the OLTC and the tap position occurrence show that several OLTCs are not suited to increase the voltage quality. A voltage quality analysis shows that a well-selected OLTC with FMB control result in a significant increase in voltage quality, which allows more Distributed Energy Resources (DERs) to be connected in the existing LV distribution grid.
Keywords
On-load tap changer, power distribution, low-voltage quality, active distribution networks, VOLTAGE CONTROL, SYSTEMS, DGS

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Chicago
Gevaert, Louis, Tine Vandoorn, Christof Deckmyn, Jan Van de Vyver, and Lieven Vandevelde. 2015. “OLTC Selection and Switching Reduction in multiple-Feeder LV Distribution Networks.” In International Conference on Renewable Energy Research and Applications, 562–566. IEEE.
APA
Gevaert, L., Vandoorn, T., Deckmyn, C., Van de Vyver, J., & Vandevelde, L. (2015). OLTC selection and switching reduction in multiple-Feeder LV distribution networks. International Conference on Renewable Energy Research and Applications (pp. 562–566). Presented at the 4th International Conference on Renewable Energy Research and Applications (ICRERA 2015), IEEE.
Vancouver
1.
Gevaert L, Vandoorn T, Deckmyn C, Van de Vyver J, Vandevelde L. OLTC selection and switching reduction in multiple-Feeder LV distribution networks. International Conference on Renewable Energy Research and Applications. IEEE; 2015. p. 562–6.
MLA
Gevaert, Louis, Tine Vandoorn, Christof Deckmyn, et al. “OLTC Selection and Switching Reduction in multiple-Feeder LV Distribution Networks.” International Conference on Renewable Energy Research and Applications. IEEE, 2015. 562–566. Print.
@inproceedings{7048525,
  abstract     = {On-Load Tap Changers (OLTCs) are increasingly being considered to control the voltage in Low-Voltage (LV) distribution grids. Today, most OLTC control strategies are based on secondary transformer measurements, while a Field Measurement Based (FMB) control could increase the quality further. In this paper, field measurements, performed by a Distribution System Operator (DSO), are used to simulate the voltage quality improvement derived from implementing an OLTC with FMB control. Unfortunately, FMB control results in an unacceptable number of tap changes, so, in order to improve FMB control, two strategies to reduce the number of tap changes are presented.
Next, an OLTC selection procedure is clarified. Both the voltage range of the OLTC and the tap position occurrence show that several OLTCs are not suited to increase the voltage quality. A voltage quality analysis shows that a well-selected OLTC with FMB control result in a significant increase in voltage quality, which allows more Distributed Energy Resources (DERs) to be connected in the existing LV distribution grid.},
  author       = {Gevaert, Louis and Vandoorn, Tine and Deckmyn, Christof and Van de Vyver, Jan and Vandevelde, Lieven},
  booktitle    = {International Conference on Renewable Energy Research and Applications},
  isbn         = {978-1-4799-9982-8},
  issn         = {2377-6897},
  keyword      = {On-load tap changer,power distribution,low-voltage quality,active distribution networks,VOLTAGE CONTROL,SYSTEMS,DGS},
  language     = {eng},
  location     = {Palermo, Italy},
  pages        = {562--566},
  publisher    = {IEEE},
  title        = {OLTC selection and switching reduction in multiple-Feeder LV distribution networks},
  year         = {2015},
}

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