On the effects of monitoring and control settings on voltage control in PV-rich LV networks

A.T. Procopiou, C. Long, L.F. Ochoa

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    Abstract

    (accepted) Adopting on-load tap changer (OLTC)-fitted transformers in low voltage (LV) networks can be a potential solution to counteract voltage rise caused by high penetrations of residential photovoltaic (PV) systems. To efficiently control the OLTC network monitoring might be considered. This work assesses the performance of a proposed OLTC control logic considering different remote monitoring schemes and control cycles. A Monte Carlo-based time-series analysis is applied to a real UK residential LV network considering different uneven PV penetrations per feeder. Results show that the adoption of monitoring only at the end of each feeder can provide a satisfactory performance of customer voltages (BS EN50160 compliant). Additionally, the proposed control logic with a 30-minute control cycle can reduce the number of tap changes whilst producing a good voltage performance. The results can help distribution network operators determining the most adequate control approaches for OLTC-fitted transformers in future LV networks.
    Original languageEnglish
    Title of host publicationIEEE/PES General Meeting 2015
    Pages1-5
    Number of pages5
    DOIs
    Publication statusPublished - Aug 2015
    EventIEEE/PES General Meeting 2015 -
    Duration: 26 Jul 201530 Jul 2015

    Conference

    ConferenceIEEE/PES General Meeting 2015
    Period26/07/1530/07/15

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