Abstract
The effect of CVR is examined on unbalanced three-phase IEEE-13 and IEEE-123 distribution system with PV inverter integration on a yearly basis.In earlier work, the daily load demands of various customers were taken to determine the substation demand, loss reduction, and energy savings by the proposed scheme. In this paper,the yearly load patterns of consumers and seasonal variations of PV system have been taken to examine the impact of the CVR scheme on the distribution networks. Voltage-dependent load models for time series simulation of 8760 hours have been taken for study purposes. Various control functions of smart PV inverter such asVolt-Watt, Volt-VAr, Volt-VAr(hysteresis), andcombi mode has been used for the necessary control of voltage and reactive power. Several case studies have compared gross yearly substation demand and losses to evaluate the most effective control required to achieve maximum savings in energy.
Published Version
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