Abstract
Reverse power flow from a photovoltaic (PV) system in a distribution system causes a voltage rise. A relative study regarding the reduction in the distribution feeder voltage depending on system conditions and the magnitude of reverse power flow has been conducted. Several methods for mitigating voltage rise have been proposed; however, the influence of these methods on the voltage in the distribution system, where the voltage is reduced due to reverse power flow, remains to be determined. In this study, the effect of constant power factor control in low-voltage PV systems, which are widely used as voltage rise countermeasures in distribution systems, was analyzed under the condition that the distribution line voltage decreases due to reverse power flow. Consequently, the constant power factor control of the low-voltage distribution system was found to adversely reduce voltage in the medium voltage distribution system due to the consumption of lagging reactive power by the PV systems.
Highlights
Increasing the use of renewable energy sources, such as photovoltaic (PV) systems and wind turbines, can help reduce CO2 emission
In a distribution system that supplies electric power in medium voltage (MV) and low-voltage (LV) power systems, the voltage rise due to the generation of renewable energy sources is one of the power quality issues [1]
This study aims to evaluate the constant power factor control of a power conditioning system (PCS) for the PV added to the distribution system, where the voltage reduction occurs due to the reverse power flow
Summary
Increasing the use of renewable energy sources, such as photovoltaic (PV) systems and wind turbines, can help reduce CO2 emission. Whether the countermeasures that are useful for mitigating voltage rise will be effective in voltage control in distribution systems where voltage reduction occurs due to the reverse power flow is unknown. Power; The voltage reduction due to the reverse power flow was observed, simultaneously confirming the increase in the reactive power loss in the distribution feeder These measurements indicate that the voltage reduction due to reverse power flow is a phenomenon that can occur in daily operation in a distribution feeder. Theand voltage reduction due to the reverse power flow was observed, simultaneously confirming the increase in the reactive power loss in the distribution feeder. MV distribution to the the actual actualdistribution distributionfeeder feedershown shown distributionsystem systemmodel modelthat thatcorresponds corresponds to in in
Sign-in/Register to view highlights & summary Sign-in/Register to access full text options 
Free) 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a call
