Quantification and Mitigation of Unfairness in Active Power Curtailment of Rooftop Photovoltaic Systems Using Sensitivity Based Coordinated Control

Aadil Latif, Wolfgang Gawlik and Peter Palensky
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Aadil Latif: Energy Department, Austrian Institute of Technology, Vienna 1210, Austria
Wolfgang Gawlik: Institute of Energy Systems and Electrical Drives, Vienna University of Technology, Vienna 1040, Austria
Peter Palensky: Department of Electrical Sustainable Energy, Delft University of Technology, Delft 2628 CD, The Netherlands

Energies, 2016, vol. 9, issue 6, 1-16

Abstract: With increasing photovoltaic (PV) penetration in low voltage networks (LVNs), voltage regulation is a challenge. Active power curtailment (APC) is one possible solution for mitigating over voltages resulting from active power injection in LVNs. There is an inherent unfairness in the APC scheme. When generation is high and consumption is low, the voltages at the end of the feeder tend to be the highest. This results in high curtailment of active power output of the inverters located at the end of the feeder and low or even no curtailment for the inverts located closer to the transformer. A secondary voltage controller has been implemented to mitigate this unfairness in APC based voltage support schemes. The focus of this work is to quantify this unfairness and develop methods that enable residential PV owners serviced by the same feeder to participate equally in voltage regulation in the LVN.

Keywords: over-voltage; active power curtailment (APC); coordinated control; sensitivity based control (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2016
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (10)

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