ABB | SACE Emax 2
Guide to the product choice | 1 - List for Emax 2 selection
7 | © 2017 ABB | 1SDH001330R0002 - ECN000058721 Rev. A
Protection functions of the
electronic trip units
Basic protections that can be configured with Ekip DIP, Ekip Touch and Ekip LCD protection trip units
Overload (L - ANSI 49)
Time-delayed overcurrent
Instantaneous overcurrent (l - ANSI 50)
Earth fault (G - ANSI 51N & 50N TD)
Additional protections available with Ekip Touch and Ekip LCD protection trip units (all versions)
Programmable instantaneous overcurrent (2I - ANSI 50)
Earth fault with external toroid (Gext - ANSI 51G & 50GTD)
Current unbalance (IU – ANSI 46)
Zone Selectivity for S and G protections (ANSI 68)
Undervoltage (UV - ANSI 27)
Overvoltage (OV - ANSI 59)
Underfrequency (UF - ANSI 81L)
Overfrequency (OF - ANSI 81H)
Voltage unbalance (VU – ANSI 47)
Residual current (Rc – ANSI 64 & 50 NTD)
Reverse active power (RP - ANSI 32R)
Synchrocheck (SC - ANSI 25)
Cyclical direction of the phases (ANSI 47)
Power factor (ANSI 78)
Additional protections available with Ekip Touch and Ekip LCD protection trip units (in all Hi- versions)
Second time-delayed overcurrent (S2 – ANSI 50TD)
Second earth fault (G2 – ANSI 50GTD/51G & 64REF)
Directional overcurrent (D – ANSI 67)
Zone Selectivity for D protection (ANSI 68).
Second undervoltage and overvoltage (UV2 and OV2 – ANSI 27 and 59)
Second underfrequency and overfrequency (UF2 and OF2 – ANSI 87L and 87H)
Additional protections available with Ekip Touch and Ekip LCD protection trip units (in all G versions)
Residual current earth fault (Rc - ANSI 87N)
Voltage controlled overcurrent (S(V) - ANSI 51V)
Residual overvoltage (RV – ANSI 59N)
Loss of field or reverse reactive power (RQ – ANSI 40 or 32RQ)
Reactive overpower (OQ – ANSI 32OF)
Active overpower (OP – ANSI 32OF)
Active underpower (UP – ANSI 32LF)
Additional protections available with Ekip Touch and Ekip LCD protection trip units (all G Hi- versions)
Rate of change of frequency (ROCOF – ANSI 81R)
Second voltage controlled overpower (S2(V) - ANSI 51V)
Second protection against loss of field or reverse reactive power (RQ – ANSI 40 or 32R)
NOTE:
for full details on the operation of the electronic protections, see the relevant chapters
(starting on page
Ekip Touch protection trip unit
(starting on page
).
Содержание SACE Emax E1.2
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