Arcteq AQ-F210, Инструкция по эксплуатации

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Instruction manual –AQ F210 Feeder Protection IED 270 (292
)
9.2 P
ROTECTION FUNCTIONS
All specified operation times include mechanical trip contact delay.
9.2.1 C
URRENT PROTECTION FUNCTIONS
O
VERCURRENT
(50/51) I>, I>>, I>>>, I>>>>
Input signals
Input magnitudes Phase current fundamental freq RMS
Phase current TRMS
Phase current peak-to-peak
Pick-up
Pick-up current setting 0.10…40.00 x In, setting step 0.01 x In
Inaccuracy
-Current
±0.5 %I
SET
or ±15 mA (0.10…4.0 x I
SET
)
Operation time
Definite time function operating time setting 0.00…1800.00 s, setting step 0.005 s
Inaccuracy
-Definite Time (Im/Iset ratio > 3)
-Definite Time (Im/Iset ratio 1.05…3)
±1.0 % or ±20 ms
±1.0 % or ±30 ms
IDMT operating time setting (ANSI / IEC) 0.02…1800.00 s, setting step 0.001 x parameter
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; 20 ms
±1.5 % or ±20 ms
±20 ms
Instant operation time
Start time and instant operation time (trip):
(Im/Iset ratio > 3)
(Im/Iset ratio 1.05…3)
<35 ms (typically 25 ms)
<50 ms
Reset
Reset ratio 97 % of pick-up current setting
Reset time setting
Inaccuracy: Reset time 0.010 … 10.000 s, step 0.005 s
±1.0 % or ±35 ms
Instant reset time and start-up reset <50 ms