IGBT Modules - Technologies, Driver and Application (Second Edition) - page 490

gL: Full section cableand lineprotection
aM: Partial section contactor protection
aR: Partial section semiconductor protection
gR: Full section semiconductor protection
gB: Full sectionmininggear protection
gTr: Full section transformer protection
Basically, semiconductor fuses are suitable for the use in AC andDC circuits. Typically,
however, fuses are labelledwith their nominal AC voltage. The design of the fuse into a
DC circuit should therefore bediscussedwith the fusemanufacturer beforehand.
Fig. 13.18
Implementation of fuses
These are selection criteria for fuses:
The load current passing through the fuse should be less than the nominal
current of the fuse.
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