An Islanding Detection Test Platform for Multi-Inverter Islands Using Power HIL

Anderson F. Hoke, Austin Nelson, Sudipta Chakraborty, Frances Bell, Michael McCarty

Research output: Contribution to journalArticlepeer-review

32 Scopus Citations

Abstract

When an unintentional island is formed on the electric power system, distributed energy resources (DERs) are typically required to detect and de-energize the island. This requirement may become more challenging as the number of DERs in an island rises. Thus, it is of interest to experimentally verify whether DERs can successfully detect and de-energize islands containing many DERs connected at different points. This paper presents a power hardware-in-the-loop (PHIL) platform for testing the duration of islands containing multiple inverters connected at multiple points in a network. The PHIL platform uses real-time simulation to represent islanded distribution circuits, with DER inverters connected in hardware. This allows efficient testing of a large number of island configurations simply by changing the distribution circuit model in the real-time simulator. A method for calculating the quality factor of an arbitrary distribution circuit in real time, designed for anti-islanding tests, is also presented. Experimental results are included demonstrating the use of the PHIL method to test a variety of three-inverter islands.

Original languageAmerican English
Pages (from-to)7944-7953
Number of pages10
JournalIEEE Transactions on Industrial Electronics
Volume65
Issue number10
DOIs
StatePublished - 2018

Bibliographical note

Publisher Copyright:
© 1982-2012 IEEE.

NREL Publication Number

  • NREL/JA-5D00-68175

Keywords

  • Anti-islanding
  • distributed energy resources (DER)
  • inverters
  • power hardware-in-the-loop (PHIL)

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