July 21, 2020
Inverter-based technology is fast becoming the dominant type of technology in many smaller island power systems and in pockets of very large power systems. Today, inverter-based resources (IBRs) comprise the majority of most interconnection queues for new resources, a trend that shows little sign of reversing. This trend is raising critical questions about the capability of the current generation of inverters, which have been designed to operate on an existing grid that is generally dominated by synchronous machines, and are termed grid-following inverters. While industry is racing to develop the next generation of inverters, termed grid-forming, the debate is not yet settled on what “grid-forming” really is or what it will…
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