Avr operational
condition
(bitmask)
Internal information about AVR current status
1b: Raise
command on
2b: Lower
command on
3b: Operation
blocked
4b: Output control
blocked
5b: U<<< block on
6b: I> block on
7b: Tap on
highlimit
8b: Tap on lowlimit
9b: Operation
blocked
10b: U>/< pick-up
on
11b: U>>/<< pick-
up on
12b: Control wait
time on
13b: Manual
control mode on
-
0
(Nothing
happens)
AVR timer active
In case if AVR is counting time the timer is shown here
0:-
1:Fine tune
Decrease
2:Fine tune
Increase
3:Low set
Decrease
4:High set
Degrease
5:Instant
Decrease
6:Low set Increase
7:High set
Increase
-
0:no
timers
active.
Time left to
operation
Counter left time before action
0.000…
1800.000s
0.005s
0s
Voltage now
Measured reference voltage in comparison to nominal
0.000…
140.000%Un
0.01%Un 0%Un
Voltage difference
to set target
Measured reference voltage difference to set target
voltage
0.000…
140.000%Un
0.01%Un 100%Un
Voltage set now to
Based into tap changer location displays primary voltage
deviation.
-50000…
50000Vpri
0.01V
0.00V
U>>> (instant)
setting
Set instant stage compared to nominal 100% level
0.000…140.000% 0.01%
110%
U>> setting
Set second window high limit compared to nominal 100%
level
0.000…140.000% 0.01%
105%
U> setting
Set rst window high limit compared to nominal 100% level 0.000…140.000% 0.01%
100.88%
U< setting
Set rst window low limit compared to nominal 100% level
0.000…140.000% 0.01%
99.12%
U<< setting
Set second window low limit compared to nominal 100%
level
0.000…140.000% 0.01%
95%
U<<< setting
Set undervoltage block limit
0.000…140.000% 0.01%
85%
Voltage meas
condition
Display of measured voltage selection. Check value that
selected voltage input is correct.
0:U12
1:U23
2:U31
3:U4 Input
-
0:U12
Tap location (- 0 +)
Tap location in the tap changer in relation to middle point.
-30…30
1
0
Absolute tap
location
Tap location in the tap changer in relation to whole range
0…max tap steps.
0…50
1
0
Tap changer on
high border
Indication if the tap changer has reached maximum
voltage high position
0:No
1:Yes
-
0:No
AQ-T257
Instruction manual
Version: 2.00
© Arcteq Relays Ltd
224
