U>/< time delay (DT)
(visible if U>/< window
in use)
Operating time delay for low set voltage window threshold
deviation (up/down) before regulating command
0.000…
1800.000s 0.005s
60.000s
U>>/<< window in use
High set de nite/inverse time voltage window in use or not
0:Not in
use
1:In use
-
0:Not in
use
U>> setting (+UTGT)
(visible if U>>/<<
window in use)
High voltage limit for the high set voltage window
0.10…
30.00%
0.01%
2.67%
U<< setting (-UTGT)
(visible if U>>/<<
window in use)
Low voltage limit for the high set voltage window
0.10…
30.00%
0.01%
2.67%
U>>/<< time delay
mode (visible if U>>/<<
window in use)
Inverse or de nite time mode for the second high set voltage
window
0: De nite
1: Integral
-
1:Integral
U>>/<< time delay
(DT/Multiplier) (visible if
U>>/<< window in use)
Operating time delay for high set voltage window threshold
deviation. This value directly if time delay mode is 0:De nite. If
integral mode then this is the inverse operating time multiplier
0.000…
1800.000s 0.005s
60.000s
U>>> instant in use
Selection whether the instant low function is used
0: Not in
use
1: In use
-
0:Not in
use
U>>> setting (+UTGT)
(visible if U>>> instant
in use)
Overvoltage threshold for U>>> instant low stage
0.10…
30.00%
0.01%
8.33%
U<<< block setting (-
UTGT)
Undervoltage blocking threshold
5.00…
60.00%
0.01%
15.00%
Internal OC blocking
Selection whether internal overcurrent detection blocks the AVR
operation
0: Not in
use
1: In use
-
0: Not in
use
Internal OC pick-up >
Pick-up threshold for internal overcurrent blocking.
0.00…
40.00xIn
0.01xIn 2.00xIn
Function external blocking
Operation of the AVR can be blocked either by internal or external input commands. If the operation is
wanted to be done externally, binary input or goose messages can be used for blocking the operation.
AVR function provides two separate inputs for blocking which of the rst one when controlled to active
blocks the control algorithm operation and output contacts (for application use) while the second one
blocks only the output contacts but control algorithm is still operational (for commissioning the
settings).
Table. 5.5.1. - 180. AVR blocking inputs
Name
Description
AVR Block op
and outs
Application block for the AVR function. Should be used for all external blockings of the AVR operation. Blocks
both the output contacts and the algorithm from operating.
AVR block
control outs
Commissioning block for the actual controlling of the output contacts. Blocks only the output contacts from
the AVR function.
Output signals
Following output signals available in the AVR function.
Table. 5.5.1. - 181. AVR output signals
Name
Description
AQ-T257
Instruction manual
Version: 2.00
227
© Arcteq Relays Ltd
