ABB RED650 - Technical Data

Frequency
f < StartFrequency
Voltage
start
TRIP
RESTORE
U < IntBlockLevel
block
f > RestoreFreq
BLOCK
OR
Definite timer
or
Voltage based timer
tReset
tDelay
tRestore
restore
IEC16000041-1-en.vsdx
trip
START
BLKTRIP
AND
Start
&
Trip
output
logic
BLKREST
AND
BLKDMAGN
IEC16000041 V1 EN-US
Figure 128: Simplified logic diagram for SAPTUF
10.1.7 Technical data
M13360-1 v15
Table 140: SAPTUF technical data
Function
Range or value Accuracy
Operate value, start function, at symmetrical three
phase voltage
(35.00-75.00) Hz ±2.0 mHz
Operate time, start at f
set
+ 0.02 Hz to f
set
- 0.02 Hz
fn = 50 Hz
Min. = 80 ms
-
Max. = 95 ms
fn = 60 Hz
Min. = 65 ms
Max. = 80 ms
Reset time, start at f
set
- 0.02 Hz to f
set
+ 0.02 Hz Min. = 15 ms
Max. = 30 ms
-
Operate time, definite time function at f
set
+ 0.02 Hz
to f
set
- 0.02 Hz
(0.000-60.000)s ±0.2% or
±100 ms
whichever
is greater
Table continues on next page
Section 10 1MRK 505 394-UEN A
Frequency protection
272 Line differential protection RED650 2.2 IEC
Technical manual