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

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.

Authors:
ORCiD logo [1];  [1];  [1];  [2];  [2]
  1. National Renewable Energy Lab. (NREL), Golden, CO (United States)
  2. SolarCity Corp., San Mateo, CA (United States)
Publication Date:
Research Org.:
National Renewable Energy Lab. (NREL), Golden, CO (United States)
Sponsoring Org.:
USDOE Office of Energy Efficiency and Renewable Energy (EERE), Solar Energy Technologies Office (EE-4S)
OSTI Identifier:
1467099
Report Number(s):
NREL/JA-5D00-68175
Journal ID: ISSN 0278-0046
Grant/Contract Number:  
AC36-08GO28308
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
IEEE Translations on Industrial Electronics
Additional Journal Information:
Journal Volume: 65; Journal Issue: 10; Journal ID: ISSN 0278-0046
Publisher:
IEEE
Country of Publication:
United States
Language:
English
Subject:
24 POWER TRANSMISSION AND DISTRIBUTION; anti-islanding; distributed energy resources (DER); inverters; power hardware-in-the-loop (PHIL)

Citation Formats

Hoke, Anderson F., Nelson, Austin, Chakraborty, Sudipta, Bell, Frances, and McCarty, Michael. An Islanding Detection Test Platform for Multi-Inverter Islands Using Power HIL. United States: N. p., 2018. Web. doi:10.1109/TIE.2018.2801855.
Hoke, Anderson F., Nelson, Austin, Chakraborty, Sudipta, Bell, Frances, & McCarty, Michael. An Islanding Detection Test Platform for Multi-Inverter Islands Using Power HIL. United States. doi:10.1109/TIE.2018.2801855.
Hoke, Anderson F., Nelson, Austin, Chakraborty, Sudipta, Bell, Frances, and McCarty, Michael. Mon . "An Islanding Detection Test Platform for Multi-Inverter Islands Using Power HIL". United States. doi:10.1109/TIE.2018.2801855. https://www.osti.gov/servlets/purl/1467099.
@article{osti_1467099,
title = {An Islanding Detection Test Platform for Multi-Inverter Islands Using Power HIL},
author = {Hoke, Anderson F. and Nelson, Austin and Chakraborty, Sudipta and Bell, Frances and McCarty, Michael},
abstractNote = {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.},
doi = {10.1109/TIE.2018.2801855},
journal = {IEEE Translations on Industrial Electronics},
issn = {0278-0046},
number = 10,
volume = 65,
place = {United States},
year = {2018},
month = {2}
}

Journal Article:
Free Publicly Available Full Text
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