EV Hosting Capacity Analysis on Distribution Grids

Priti Paudyal, Shibani Ghosh, Santosh Veda, Soumya Tiwari, Jal Desai

Research output: Contribution to conferencePaperpeer-review

19 Scopus Citations

Abstract

The increasing trend in electric vehicle (EV) adoption can cause challenges to traditional electric grid operations if utilities are not equipped with tools and methods to effectively manage these fleets. Growing EV charging loads will alter the magnitude and duration of conventional peaks in demand profiles and even significantly shift them, potentially causing operational violations in the distribution grid. This paper presents the development and results of an EV hosting capacity tool to quantify the impacts of injecting large numbers of EV charging loads and to determine the available capacity of existing distribution feeders to continue providing reliable and affordable grid operations. Tools like the hosting capacity analysis would enable utilities to better prepare for grid operations in the near future while exploring the impact and effectiveness of strategies to manage these loads, such as peak pricing and smart charging. This paper evaluates the hosting capacity of some real-world feeders to accommodate EV charging loads, including extreme fast-charging options.

Original languageAmerican English
Number of pages5
DOIs
StatePublished - 2021
Event2021 IEEE Power and Energy Society General Meeting, PESGM 2021 - Washington, United States
Duration: 26 Jul 202129 Jul 2021

Conference

Conference2021 IEEE Power and Energy Society General Meeting, PESGM 2021
Country/TerritoryUnited States
CityWashington
Period26/07/2129/07/21

Bibliographical note

See NREL/CP-5D00-75639 for preprint

NREL Publication Number

  • NREL/CP-5D00-82299

Keywords

  • distribution grid
  • electric vehicle (EV)
  • extreme fast-charging (xFC)
  • Hosting capacity
  • thermal overload
  • voltage limit

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