July 6, 2020
Rising levels of inverter-based resources (IBRs) create a need for new approaches to modelling for the power grid, for both operational and planning purposes. Examples of such shifts in modelling approaches are occurring for some regions of Australia’s National Electricity Market (NEM) power system, as the need to understand and address unknowns before events occur has led to the development and use of wide-area electromagnetic transient (EMT) models. [caption id="attachment_6440" align="alignright" width="250"] Babak Badrzadeh[/caption] Situations prompting the need for electromagnetic transient models The Australian Energy Market Operator (AEMO) has been using EMT simulation models for several years, including for black start studies, sub-synchronous control interactions between series compensated lines and IBRs,…
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