ABB Relion 630 Series - Page 37

Table 46. Motor load jam protection (JAMPTOC)
Characteristic Value
Operation accuracy At the frequency f = f
n
±1.5% of the set value or ±0.002 × I
n
Start time
1)2)
I
Fault
= 2.0 x set Start
value
Typical 25 ms (±15ms)
Reset time < 40 ms
Reset ratio Typical 0.96
Retardation time < 35 ms
Operate time accuracy in definite time mode ±1.0% of the set value or ±20 ms
1) Current before = 0.0 × I
n
, f
n
= 50 Hz
2) Includes the delay of the signal output contact
Table 47. Motor load jam protection (JAMPTOC) main settings
Parameter
Function Value (Range) Step
Start value JAMPTOC 0.10...10.00 pu 0.01
Operate delay time JAMPTOC 0.10...120.00 s 0.01
Table 48. Emergency start function (ESMGAPC)
Characteristic
Value
Operation accuracy At the frequency f = f
n
±1.5% of the set value or ±0.002 × U
n
Table 49. Emergency start function (ESMGAPC) main settings
Parameter
Function Value (Range) Step
Motor stand still A ESMGAPC 0.05...0.20 pu 0.01
Motor Protection and Control 1MRS756977 D
REM630
Product version: 1.1 Issued: 2011-05-18
ABB 37