Frequency
f < PUFrequency
Voltage
pickup
TRIP
V < IntBlockLevel
block
f > RestoreFreq
BLOCK
OR
Definite timer
or
Voltage based timer
tReset
tDelay
tRestore
restore
ANSI16000041-1-en.vsdx
trip
PICKUP
BLKTRIP
AND
Pickup
&
Trip
output
logic
BLKREST
AND
BLKDMAGN
ANSI16000041 V1 EN-US
Figure 106:
Simplified logic diagram for SAPTUF (81)
10.1.7
Technical data
M13360-1 v15
Table 166:
SAPTUF (81) technical data
Function
Range or value
Accuracy
Trip value, pickup function, at symmetrical three
phase voltage
(35.00-75.00) Hz
±2.0 mHz
Trip time, pickup 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, pickup at f
set
- 0.02 Hz to f
set
+ 0.02 Hz
Min. = 15 ms
Max. = 30 ms
-
Trip 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
1MRK 511 408-UUS A
Section 10
Frequency protection
Phasor measurement unit RES670 2.2 ANSI
307
Technical manual
Содержание Relion RES670
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