IEC TR 63401-4:2022 

Dynamic characteristics of inverter-based resources in bulk power systems - Part 4: Behaviour of inverter-based resources in response to bulk grid faults

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Abstract

IEC TR 63401-4:2022 (E), which is a technical report, focuses on the fault behaviour of IBRs and performances of the existing relay protection in grids with large-scale integration of IBRs.
This document includes:
The IBR fault current requirements in present grid codes, including the requirements of active and reactive currents in positive- and negative-sequence systems during symmetrical and unsymmetrical faults.
Fault current behaviour of IBRs, including the current components in transient and fundamental frequency in different IBR topology and control schemes.
Adaptability of existing relay protection with the large-scale integration of IBRs, including the performances of distance protection, phase selector, directional relay and over-current protection.

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Additional information

Publication typeTechnical Report
Publication date2022-06-27
Edition1.0
Available language(s)English
TC/SCTC 8/SC 8A - Grid Integration of Renewable Energy Generationrss
ICS29.020 - Electrical engineering in general
Stability date  2025
Pages49
File size2677 KB

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