Volt-PF Control Mode for Distribution Feeder Voltage Management Under High Penetration of Distributed Energy Resources
<|reference_start|>Volt-PF Control Mode for Distribution Feeder Voltage Management Under High Penetration of Distributed Energy Resources: Volt-VAr control is a popular method for mitigating overvoltage violations caused by high penetration of distributed energy resources (DERs) in distribution feeders. An inherent limitation of volt-VAr control is that the reactive power (Q) absorbed/injected by the DER is determined based only on the terminal voltage, without considering the active power (P) generated by the DER. This leads to an inequitable burden of Q support, in the sense that those DERs generating lower P, and hence contributing less to overvoltage issues, may be required to provide more than their share of $Q$ support. The resulting PF of these DERs is required to vary over a wide range, which many current DERs do not support. A new control scheme, namely volt-PF control, is proposed here where the Q support is inherently a function of both the voltage and $P$ from DERs, which alleviates the above concerns while limiting the PF variation within a narrow range of 0.9 to 1. The proposed scheme is validated through extensive static and dynamic simulations on a real, large (8000+ nodes) feeder with very high penetration (>200%) of DERs.The implementation of the new scheme in new and existing commercial hardware inverters is described.<|reference_end|>
@article{sondharangalla2024volt-pf,
    title={Volt-PF Control Mode for Distribution Feeder Voltage Management Under
  High Penetration of Distributed Energy Resources},
    author={Madhura Sondharangalla, Dan Moldovan and Raja Ayyanar},
    journal={arXiv preprint arXiv:2405.18305},
    year={2024},
    archivePrefix={arXiv},
    eprint={2405.18305},
    primaryClass={eess.SY cs.SY}
}