Pick-up voltage setting
1.00…50.00 % U0
N
, setting step 0.01 × I
N
Inaccuracy:
- Voltage U0
- Voltage U0Calc
±1.5 %U0
SET
or ±30 mV
±150 mV
Operation time
Definite time function operating time setting
0.00…1800.00 s, setting step 0.005 s
Inaccuracy:
- Definite time (U0
M
/U0
SET
ratio 1.05
→
)
±1.0 % or ±45 ms
IDMT setting parameters:
k Time dial setting for IDMT
A IDMT constant
B IDMT constant
C IDMT constant
0.01…25.00, step 0.01
0…250.0000, step 0.0001
0…5.0000, step 0.0001
0…250.0000, step 0.0001
Inaccuracy:
- IDMT operating time
- IDMT minimum operating time
±1.5 % or ±20 ms
±20 ms
Instant operation time
Start time and instant operation time (trip):
- U0
M
/U0
SET
ratio 1.05
→
<50 ms
Reset
Reset ratio
97 % of the pick-up voltage setting
Reset time setting
Inaccuracy: Reset time
0.000 … 150.000 s, step 0.005 s
±1.0 % or ±50 ms
Instant reset time and start-up reset
<50 ms
9.2.1.12 Sequence voltage protection (U1/U2>/<; 47/27P/59NP)
Table. 9.2.1.12 - 335. Technical data for the sequence voltage function.
Measurement inputs
Voltage inputs
U
L1
, U
L2
, U
L3
U
L12
, U
L23
, U
L31
(+ U
0
)
Voltage input calculations
Positive sequence voltage (I1)
Negative sequence voltage (I2)
Pick-up
Pick-up setting
5.00…150.00 %U
N
, setting step 0.01 %U
N
Inaccuracy:
- Voltage
±1.5 %U
SET
or ±30 mV
Low voltage block
Pick-up setting
1.00…80.00 %U
N
, setting step 0.01 %U
N
Inaccuracy:
-Voltage
±1.5 %U
SET
or ±30 mV
Operation time
Definite time function operating time setting
0.00…1800.00 s, setting step 0.005 s
Inaccuracy
-Definite Time (U
M
/U
SET
ratio 1.05
→
)
±1.0 % or ±35 ms
A
AQ
Q-M255
-M255
Instruction manual
Version: 2.06
© Arcteq Relays Ltd
IM00020
423
Содержание AQ-M255
Страница 1: ...AQ M255 Motor protection IED Instruction manual...
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Страница 384: ...Figure 7 4 189 Example block scheme A AQ Q M255 M255 Instruction manual Version 2 06 382 Arcteq Relays Ltd IM00020...
Страница 405: ...Figure 8 14 211 Device installation A AQ Q M255 M255 Instruction manual Version 2 06 Arcteq Relays Ltd IM00020 403...