ABB Relion REM615 Product Manual page 38

Motor Protection and Control
REM615
Product version: 3.0
Table 37. Frequency protection (FRPFRQ)
Characteristic
Operation accuracy
Start time
Reset time
Operate time accuracy
38
f>/f<
df/dt
f>/f<
df/dt
1MRS756890 D
Issued: 2010-06-29
Value
±10 mHz
±100 mHz/s (in range |df/
dt| < 5 Hz/s)
± 2.0% of the set value (in
range 5 Hz/s < |df/dt| < 15
Hz/s)
< 80 ms
< 120 ms
< 150 ms
±1.0% of the set value or ±30
ms
ABB