ABB REM615 ANSI Product Manual page 28

Motor Protection
REM615 ANSI
Product Version 2.0
Table 48. Motor start-up supervision (66/51LRS)
Characteristic
Operation accuracy
1) 2)
Start time I
Operate time accuracy
Suppression of harmonics
Table 49. Motor start-up supervision (66/51LRS) main settings
Parameter
Motor start-up A
Motor start-up time
Locked rotor time
Operation
Operation mode
Restart inhibit time
Table 50. Phase reversal protection (46R)
Characteristic
Operation accuracy
1) 2)
Start time I
Reset time
Reset ratio
Retardation time
Operate time accuracy in defi nite time mode
Suppression of harmonics
1) Negative-sequence current before = 0.0, fn = 50 Hz, results based on statistical distribution of 1000 measurements
2) Includes the delay of the signal output contact
Table 47. Phase reversal protection (46R) main settings
Parameter
Start value
Operate delay time
Operation
28
= 1.1 x set Start detection A
Fault
Function
66/51LRS
66/51LRS
66/51LRS
66/51LRS
66/51LRS
66/51LRS
= 2.0 x set Start value
Fault
Function
46R
46R
46R
1MAC251744 -PG Rev. A
Issued: 03.01.2010
Value
Depending on the frequency of the voltage
measured: fn ±2Hz
±1.5% of the set value or ±0.002 x U
Minimum Typical
27 ms 30 ms
±1.0% of the set value or ±20 ms
Typical 0.90
Value (Range)
1.0...10.00 x I
n
1...80.0 s
2...120 s
Off
On
IIt
IIt, CB
IIt & stall
IIt & stall, CB
0...250 min
Value
Depending on the frequency of the voltage
measured: fn ±2Hz
±1.5% of the set value or ±0.002 x U
Minimum Typical
22 ms 24 ms
< 40 ms
Typical 0.96
< 35 ms
±1.0% of the set value or ±20 ms
DFT: -50 dB at f = n x fn, where n = 2, 3, 4, 5,
...
Value (Range)
0.05...1.00 x I
n
100...60000 ms
Off
On
n
Maximum
34 ms
Step
0.1
1
1
-
-
1
n
Maximum
25 ms
Step
0.01
10
-
ABB