DOE OSTI · 1974400
A Testing Framework for Grid-Forming Resources: Preprint
Abstract
This paper presents a testing framework for grid-forming (GFM) resources. It first analytically derives in frequency domain the active and reactive power response of an ideal voltage source with a reactor. These transfer functions are then used to quantify the voltage source behavior expected from a GFM inverter within subtransient time scales (5-10 cycles) following a grid disturbance. The paper also shows that the testing of a GFM inverter might require a reactor of an appropriate size between the inverter and the grid simulator used for the inverter testing. Finally, the paper presents a systematic approach for developing specifications for GFM resources using active and reactive power response frequency scans. The testing framework and results presented in this paper are demonstrated using EMT simulations of a 1-MW GFM inverter.
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Shah, Shahil (ORCID:0000000230532863), Yan, Weihang, Koralewicz, Przemyslaw (ORCID:0000000150040957), Gevorgian, Vahan, Ramasubramanian, Deepak, Wallen, Robb (ORCID:000000030616800X), Hoke, Anderson (ORCID:0000000267917812), Kroposki, Benjamin, Mather, Barry (ORCID:0000000342017292). 2023-05-15. A Testing Framework for Grid-Forming Resources: Preprint. https://www.osti.gov/biblio/1974400
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