Is limited to line commutated convertors in single-way and double-way connections, and to fuses satisfying the requirements of IEC 269-1 and 269-4. Where applicable, the general clauses may also give guidance for other convertors covered by IEC 146-1-1,
IEC TR2 60146-6:1992 history
1992IEC TR2 60146-6:1992 Semiconductor convertors; part 6: application guide for the protection of semiconductor convertors against overcurrent by fuses