ABB SACE Emax E4.2 - Hi-Touch Protections; Tripping Curves for Protection D

ABB | SACE Emax 2
Protection curves | 5 - Hi-Touch protections149 | © 2017 ABB | 1SDH001330R0002 - ECN000058721 Rev. A
5 - Hi-Touch protections
The following are the trip curves of the protections available with Ekip Hi-Touch and Ekip G Hi-Touch trip
units.
NOTE: the protections S with S2, OV with OV2, UV with UV2, UF with UF2 and OF with OF2
share the same calculation algorithm. For graphical convenience only one curve is shown for
each protection (S, OV, UV, UF, OF in the previous chapters).
Tripping curves for protection D
0.1...0.8
0.6...10
D
1
10
0,1
0,01
1001100,1
x In
t [s]