ABB REG670 - Page 569

Table 325: FTAQFVR technical data
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
1MRK502052-UEN B Section 10
Frequency protection
563
Technical manual