Motor Start-Up Supervision (Sttpmsu) Main Settings; Mscpmri Group Settings (Basic); Phase Reversal Protection (Prevptoc); Phase Reversal Protection (Prevptoc) Main Settings - ABB REX640 Product Manual

REX640
Product version: 1
Table 143. Motor start-up supervision (STTPMSU) main settings
Parameter
Motor start-up A
Motor start-up time
Lock rotor time
Operation
Operation mode
Restart inhibit time
Table 144. MSCPMRI Group settings (Basic)
Parameter
Warm start level
Max Num cold start
Max Num warm start
Table 145. Phase reversal protection (PREVPTOC)
Characteristic
Operation accuracy
Start time 1)2)
Reset time
Reset ratio
Retardation time
Operate time accuracy in definite time mode
Suppression of harmonics
1) Negative-sequence current before = 0.0, f
2) Includes the delay of the signal output contact
Table 146. Phase reversal protection (PREVPTOC) main settings
Parameter
Start value
Operate delay time
Operation
74
Function
STTPMSU
STTPMSU
STTPMSU
STTPMSU
STTPMSU
STTPMSU
Function
MSCPMRI
MSCPMRI
MSCPMRI
I = 2.0 × set Start value
Fault
= 50 Hz, results based on statistical distribution of 1000 measurements
n
Function
PREVPTOC
PREVPTOC
PREVPTOC
Value (Range)
1.0...10.0 × I
n
1...80 s
2...120 s
1 = on
5 = off
1 = IIt
2 = IIt, CB
3 = IIt + stall
4 = IIt + stall, CB
0...250 min
Value (Range)
20.0...100.0%
1...10
1...10
Value
Depending on the frequency of the measured current: f
±1.5% of the set value or ±0.002 × I
Minimum Typical
23 ms 25 ms
Typically 40 ms
Typically 0.96
<35 ms
±1.0% of the set value or ±20 ms
DFT: -50 dB at f = n × f , where n = 2, 3, 4, 5,...
n
Value (Range)
0.05...1.00 x I
n
100...60000 ms
1 = on
5 = off
1MRS759144 A
Step
0.1
1
1
-
-
1
Step
0.1
1
1
±2 Hz
n
n
Maximum
28 ms
Step
0.01
10
-
ABB