Loss Of Phase, Undercurrent (Phptuc); Loss Of Phase, Undercurrent (Phptuc) Main Settings; Loss Of Load Supervision (Loflptuc) - ABB REX640 Product Manual

REX640
Product version: 1
Table 135. Negative-sequence overcurrent protection for machines (MNSPTOC) main settings
Parameter
Start value
Operating curve type
Operate delay time
Operation
Cooling time
Table 136. Loss of phase, undercurrent (PHPTUC)
Characteristic
Operation accuracy
Start time
Reset time
Reset ratio
Retardation time
Operate time accuracy in definite time mode
Table 137. Loss of phase, undercurrent (PHPTUC) main settings
Parameter
Current block value
Start value
Operate delay time
Table 138. Loss of load supervision (LOFLPTUC)
Characteristic
Operation accuracy
Start time
Reset time
Reset ratio
Retardation time
Operate time accuracy in definite time mode
72
Function
MNSPTOC
MNSPTOC
MNSPTOC
MNSPTOC
MNSPTOC
Function
PHPTUC
PHPTUC
PHPTUC
Value (Range)
0.01...0.50 × I
n
Definite or inverse time
Curve type: 5, 15, 17, 18
100...120000 ms
1 = on
5 = off
5...7200 s
Value
Depending on the frequency of the current measured: f
±1.5% of the set value or ±0.002 × I
Typically <55 ms
<40 ms
Typically 1.04
<35 ms
mode ±1.0% of the set value or ±20 ms
Value (Range)
0.00...0.50 × I
n
0.01...1.00 × I
n
50...200000 ms
Value
Depending on the frequency of the measured current: f
±1.5% of the set value or ±0.002 × I
Typically 300 ms
Typically 40 ms
Typically 1.04
<35 ms
±1.0% of the set value or ±20 ms
1MRS759144 A
Step
0.01
10
-
1
±2 Hz
n
n
Step
0.01
0.01
10
±2 Hz
n
n
ABB