Functions
20
7UM62 Manual
C53000-G1176-C149-3
Impedance Protection
ANSI 21
Fixed
-
-
-
Fixed
-
-
Out-of-Step Protection
ANSI 78
Fixed
-
-
-
Fixed
-
-
Undervoltage Protection
ANSI 27
Fixed
-
-
-
-
-
-
Overvoltage Protection
ANSI 59
Fixed
-
-
-
-
-
-
Frequency Protection
ANSI 81
Fixed
-
-
Fixed
-
-
Overexcitation (Volt/Hertz)
Protection
ANSI 24
Fixed
-
-
-
-
-
-
Inverse-Time Undervoltage
Protection
ANSI 27
Fixed
-
-
-
-
-
-
Rate-of-Frequency-Change
Protection
ANSI 81R
Fixed
-
-
-
-
-
-
Jump of Voltage Vector
Fixed
-
-
-
-
-
-
90–%–Stator Earth Fault
Protection
ANSI 59N,
64G, 67G
U0
calculated
if REFP is
used
-
-
-
-
Fixed
-
Sensitive Earth Fault Protection
ANSI
51GN, 64R
-
-
Sele
ct.
-
-
Select.
-
100–%–Stator Earth Fault Prot.
with 3rd Harmonics
ANSI 27/
59TN
Fixed
-
-
Fixed
Fixed
-
-
100–%–Stator Earth Fault Prot.
with 20 Hz Voltage Injection
64G
(100 %)
-
-
Fixed Fixed
-
-
-
Rotor Earth Fault Protection
REFP
ANSI 64R
-
-
Fixed Fixed
-
-
-
Sensitive Rotor Earth Fault Pro-
tection with 1 to 3 Hz Square
Wave Voltage Injection
ANSI 64R
-
-
-
-
-
-
TD1
TD2
Motor Starting Time Supervision
ANSI 48
-
-
-
-
Fixed
-
-
Restart Inhibit for Motors
ANSI 66,
49
Rotor
-
-
-
-
Fixed
-
-
Breaker Failure Protection
ANSI 50BF
-
Selectable
-
-
Selectable
-
-
Inadvertent Energization
ANSI 50/27
Fixed
-
-
-
Fixed
-
-
DC Voltage/DC Current
Protection
ANSI 59N
DC/51N
DC
-
-
-
-
-
-
TD1
Fuse Failure Monitor
Fixed
-
-
-
Fixed
-
-
Trip Circuit Monitoring
ANSI 74TC
-
-
-
-
-
-
-
Threshold Supervision
Fixed
-
-
-
Fixed
-
-
External Trip Commands
-
-
-
-
-
-
-
Table 2-2
Allocation of Device Inputs to Protection Functions
Protection Function
ANSI
Side 1
Side 2
U
L1
; U
L2
;
U
L3
I
L1S1
; I
L2S1
;
I
L3S1
I
EE1
U
E
I
L1S2
; I
L2S2
;
I
L3S2
I
EE2
TD