Technical Data - ABB RES670 Technical Manual

1MRK 511 408-UUS A
BLOCK
V < IntBlockLevel
Voltage
Frequency
f < PUFrequency
BLKTRIP
BLKREST
ANSI16000041 V1 EN-US
Figure 106: Simplified logic diagram for SAPTUF (81)
10.1.7
Phasor measurement unit RES670 2.2 ANSI
Technical manual
Definite timer
Voltage based timer
tReset
tDelay
tRestore
f > RestoreFreq

Technical data

Table 166: SAPTUF (81) technical data
Function
Trip value, pickup function, at symmetrical three
phase voltage
Trip time, pickup at f + 0.02 Hz to f
set
Reset time, pickup at f
set
Trip time, definite time function at f
f - 0.02 Hz
set
Table continues on next page
block
OR
pickup
or
AND
restore
AND
Range or value
(35.00-75.00) Hz
- 0.02 Hz
set
fn = 50 Hz
fn = 60 Hz
- 0.02 Hz to f + 0.02 Hz Min. = 15 ms
set
Max. = 30 ms
+ 0.02 Hz to (0.000-60.000)s
set
Frequency protection
Pickup
&
Trip
output
logic
trip
ANSI16000041-1-en.vsdx
Min. = 80 ms
Max. = 95 ms
Min. = 65 ms
Max. = 80 ms
Section 10
BLKDMAGN
PICKUP
TRIP
M13360-1 v15
Accuracy
±2.0 mHz
-
-
±0.2% or ±100
ms whichever is
greater
307