Rate-Of-Change Of Frequency Protection Sapfrc; Frequency Accumulation Protection Ftaqfvr - ABB REC670 Product Manual
Bay control version 2.2
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Also See for REC670:
- Applications manual (658 pages) ,
- Commissioning manual (218 pages) ,
- Operator's manual (116 pages)
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Bay control REC670 2.2
Product version: 2.2.1
Table 58. Rate-of-change of frequency protection SAPFRC
Function
Operate value, start function
Operate value, restore enable frequency
Definite restore time delay
Definite time delay for frequency gradient trip
Definite reset time delay
Table 59. Frequency accumulation protection FTAQFVR
Function
Operate value, frequency high limit level at
symmetrical three phase voltage
Operatevalue, frequency low limit level at
symmetrical three phase voltage
Operate value, voltage high and low limit
for voltage band limit check
Operate value, current start level
Independent time delay for the continuous
time limit at f
+0.02 Hz to f
set
Independent time delay for the
accumulation time limit at f
set
f
-0.02 Hz
set
ABB
GUID-E8D0EE7C-D7B8-46C3-9C0D-363FFC75DE93 v5
Range or value
(35.00 – 90.00) Hz
(30.00 – 85.00) Hz
(0.0 – 200.0)% of UBase
(5.0 – 100.0)% of IBase
(0.0 – 6000.0) s
-0.02 Hz
set
(10.0 – 90000.0) s
+0.02 Hz to
M14976-1 v9
Range or value
(-10.00-10.00) Hz/s
(45.00-65.00) Hz
(0.000-60.000) s
(0.200-60.000) s
(0.000-60.000) s
1MRK 511 404-BEN A
Accuracy
±10.0 mHz/s
±2.0 mHz
±0.2% or ±100 ms whichever is
greater
±0.2% or ±120 ms whichever is
greater
±0.2% or ±250 ms whichever is
greater
Accuracy
±2.0 mHz
±2.0 mHz
±0.5% of U
at U ≤ U
r
r
±0.5% of U at U > U
r
±1.0% of I
or 0.01 A at I≤I
r
r
±0.2% or ±250 ms whichever is
greater
±0.2% or ±250 ms whichever is
greater
75
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