IEEE Power & Energy Magazine - November/December 2019 - 89

By Julia Matevosyan,
Babak Badrzadeh,
Thibault Prevost,
Eckard Quitmann,
Deepak Ramasubramanian,
Helge Urdal,
Sebastian Achilles,
Jason MacDowell,
Shun Hsien Huang,
Vijay Vital,
Jon O'Sullivan,
and Ryan Quint

©ISTOCKPHOTO.COM/JACKIE NIAM

I

Grid-Forming
Inverters

IN REGIONS SUCH AS HAWAI'I, SOUTH AUSTRALIA,
Tasmania, Texas, and Ireland, power systems are commonly experiencing instantaneous penetration levels
of inverter-based power sources (IBPSs) such as wind,
solar photovoltaics (PV), and battery storage in excess of
50-60% relative to system demands.
New challenges arise when systems operate with fewer
synchronous generators (SGs) and more IBPSs. The penetration level of IBPSs at which these challenges occur is

Digital Object Identifier 10.1109/MPE.2019.2933072
Date of current version: 18 October 2019

november/december 2019

Are They the Key for High
Renewable Penetration?
system specific and depends on the number of SGs in operation, their location, and their rating relative to IBPS production level, the size of the largest credible contingency, the
stability of IBPS control systems, and availability of interconnections. Analyses by system operators (SOs) such as

1540-7977/19©2019IEEE

ieee power & energy magazine

89



IEEE Power & Energy Magazine - November/December 2019

Table of Contents for the Digital Edition of IEEE Power & Energy Magazine - November/December 2019

Contents
IEEE Power & Energy Magazine - November/December 2019 - Cover1
IEEE Power & Energy Magazine - November/December 2019 - Cover2
IEEE Power & Energy Magazine - November/December 2019 - Contents
IEEE Power & Energy Magazine - November/December 2019 - 2
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IEEE Power & Energy Magazine - November/December 2019 - Cover3
IEEE Power & Energy Magazine - November/December 2019 - Cover4
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