REQ1-5
5 priority request inputs, possibility to set parallel signals to each request
Shots
1-5 shots
5 independently –or scheme controlled shots in each AR request
Operation time
Operating time setting
-Lockout after successful AR
-Object close reclaim time
-AR shot starting delay
-AR shot dead time delay
-AR shot action time
-AR shot speci c reclaim time
0.00…1800.00 s, setting step 0.005 s
Inaccuracy
AR starting (From start signal of protection)
±1.0 % or ±30 ms (AR delay)
AR starting (From trip signal of protection)
Trip delay inac25 ms (Prot AR delay)
Dead time
±1.0 % or ±35 ms (AR delay)
Action time
±1.0 % or ±30 ms (AR delay)
Instant starting time
Instant operation time:
Protection activation delay + 15 ms (Prot AR delay)
9.2.2.4. Cold load pick-up (CLP)
Table. 9.2.2.4. - 302. Cold load pick-up CLP technical data
Input signals
Input magnitudes
Phase current fundamental freq RMS
Pick-up
Pick-up current setting
-I Low / I High / I Over
0.01…40.00 x In, setting step 0.01 x In
Reset ratio
97 / 103 % of pick-up current setting
Inaccuracy
-Current
±0.5 %I
SET
or ±15 mA (0.10…4.0 x I
SET
)
Operation time
De nite time function operating time setting
CLPU tset / CLPU tmax
CLPU tmin
0.000…1800.000 s, setting step 0.005 s
0.020…1800.000 s, setting step 0.005 s
Inaccuracy
-De nite Time (Im/Iset ratio = 1.05/0.95)
±1.0 % or ±45 ms
Instant operation time
CLPU activation and release
<45 ms (measured from trip contact)
Note!
One phase current IL1, IL2 or IL3 is enough to prolong blocking or to release blocking during
overcurrent condition.
9.2.2.5. Switch on to fault (SOTF)
Table. 9.2.2.5. - 303. Switch on to fault (SOTF) technical data
Initialization signals
SOTF activate input
Any IED block input signal (Object closed signal etc.)
AQ-F255
Instruction manual
Version: 2.00
359
© Arcteq Relays Ltd
