ABB REC670 2.1 IEC User Manual

M14976-1 v8
Table 51. Rate-of-change frequency protection SAPFRC
Function Range or value Accuracy
Operate value, start function (-10.00-10.00) Hz/s ±10.0 mHz/s
Operate value, restore enable frequency (45.00-65.00) Hz ±2.0 mHz
Definite restore time delay (0.000-60.000) s ±0.2% or ±100 ms whichever is
greater
Definite time delay for frequency gradient trip (0.200-60.000) s ±0.2% or ±120 ms whichever is
greater
Definite reset time delay (0.000-60.000) s ±0.2% or ±250 ms whichever is
greater
GUID-E8D0EE7C-D7B8-46C3-9C0D-363FFC75DE93 v4
Table 52. Frequency accumulation protection FTAQFVR
Function Range or value Accuracy
Operate value, frequency high limit level at
symmetrical three phase voltage
(35.00 – 90.00) Hz ±2.0 mHz
Operatevalue, frequency low limit level at
symmetrical three phase voltage
(30.00 – 85.00) Hz ±2.0 mHz
Operate value, voltage high and low limit for
voltage band limit check
(0.0 – 200.0)% of UBase ±0.5% of U
r
at U ≤ U
r
±0.5% of U at U > U
r
Operate value, current start level (5.0 – 100.0)% of IBase ±1.0% of I
r
or 0.01 A at I≤I
r
Independent time delay for the continuous
time limit at f
set
+0.02 Hz to f
set
-0.02 Hz
(0.0 – 6000.0) s ±0.2% or ±200 ms whichever is greater
Independent time delay for the accumulation
time limit at f
set
+0.02 Hz to f
set
-0.02 Hz
(10.0 – 90000.0) s ±0.2% or ±200 ms whichever is greater
1MRK 511 361-BEN B
Bay control REC670 2.1 IEC
Product version: 2.1
ABB 61

ABB REC670 2.1 IEC Specifications

General

Brand	ABB
Model	REC670 2.1 IEC
Category	Control Systems
Language	English