Download Print this page

Time-Current Curves - ABB PR512 Manual

Microprocessor-based self-supplied protection relays

Hide thumbs Also See for PR512:

Operator's manual (44 pages)

page of 44

/ 44
Bookmarks

Advertisement

TIME-CURRENT CURVES

Definite time curve (DT)

Normal inverse time-delay curve (NI)

Very inverse time-delay curve (VI)

Extremely inverse time-delay curve (EI)

Time-current curves for earth fault

6

26

27

28

29

30

25

Advertisement

This manual is also suitable for:

Pr512/p Pr 512/pd