SACE TMAX XT UL/CSA LOW VOLTAGE MOLDED CASE C I RCUI T- BRE AKERS UL4 89 AND CSA C2 2 . 2 STANDARDS
3/50
— Ekip Touch/Hi-Touch Protection settings
ABB Code
ANSI Code
Function
Threshold Range
Threshold Step
Protections VU
47
Voltage unbalance
U14 = 2…90 % Un unbalance
1% Un 0.1 x In
S(V)
51V
Voltage controlled overcurrent Step mode (controlled mode)
I20 = 0.6...10 x In Ul = 0.2…1 x Un
0.01 x Un
Ks = 0.1…1
0.01
51V
Linear mode (restrained mode)
Ul = 0.2…1 x Un Uh = 0.2…1 x Un
0.01 x Un 0.01 x Un
Ks = 0.1…1
0.01
S2(V)
51V
2nd Voltage controlled overcurrent
I21 = 0.6...10 x In Ul2 = 0.2…1 x Un
0.1 x In
Step mode (controlled mode)
0.01 x Un
Ks2 = 0.1…1
0.01
51V
Linear mode (restrained mode)
Ul2 = 0.2…1 x Un Uh2 = 0.2…1 x Un
0.01 x Un 0.01 x Un
Ks2 = 0.1…1
0.01
RV UF OF
59N 81L 81H 81L 81H 32R
Residual overvoltage
U22 = 0.05….0.5 x Un f12 = 0.9….0.999 fn f13 = 1.001….1.1 fn f17 = 0.9….0.999 fn f18 = 1.001….1.1 fn P11 = -1…-0.05 Sn Cos φ = 0.5…0.95 I7 Fw/Bw = 0.6...10 x In
0.001 x Un 0.001 x fn 0.001 x fn 0.001 x fn 0.001 x fn 0.001 Sn
Underfrequency Overfrequency
UF2 OF2
2nd Underfrequency 2nd Overfrequency Reverse active power
RP
Cos ϕ
78 67 68
Power factor
0.01
D
Directional overcurrent
0.1 x In
Zone selectivity Start up
Activation: 0.6…10 x In
0.1 x In
Minimum angle of direction (°)
3.6, 7.2, 10.8, 14.5, 18.2, 22, 25.9, 30, 34.2, 38.7, 43.4, 48.6, 54.3, 61, 69.6
RQ
40/32R
Loss of field or reverse reactive power
Q24 = -1…-0.1 x Sn
0.001 x Sn
Kq = -2…2
0.01
Loss of field or reverse reactive power
Q25 = -1…-0.1 x Sn
0.001 x Sn
Kq = -2…2
0.01 0.01
Minimum voltage threshold
Vmin. = 0.5…1.2 Q27 = 0.4…2 x Sn P26 = 0.4…2 x Sn P23 = 0.1...1 x Sn
OQ OP UP
320F 320F 32LF
Reactive overpower Active overpower Active underpower
0.001 x Sn 0.001 x Sn 0.001 x Sn
StartUp
ROCOF
81R
Rate of change of frequency Motor protection overload
f28 = 0.4…10 Hz / s (up &/or down) 0.2 Hz/s
L (Motor Protection)
49
I1 = 0.4…1 x In
0.001 x In
According 60947-4-1 Rotor blockage - Jam Rotor blockage - Stall
R
51R 51R
Ij = 2…10 x I1 Is = 1…10 x I1
0.1 0.1
U
Phase lackand/or unbalance
On/Off
-
Uc
37
Undercurrent
50…90% x I1
10%
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