Pick-up
Used magnitude
Measured residual current I01 (1 A)
Measured residual current I02 (0.2 A)
Calculated residual current I0Calc (5 A)
Pick-up current setting
0.005…40.00 × I
n
, setting step 0.001 × I
n
Inaccuracy:
- Starting I01 (1 A)
- Starting I02 (0.2 A)
- Starting I0Calc (5 A)
±0.5 %I0
set
or ±3 mA (0.005…10.0 × I
set
)
±1.5 %I0
set
or ±1.0 mA (0.005…25.0 × I
set
)
±1.0 %I0
set
or ±15 mA (0.005…4.0 × I
set
)
Instant operation time
Start time and instant operation time (trip):
- I
m
/I
set
ratio > 3.5
- I
m
/I
set
ratio = 1.05…3.5
<45 ms (typical 30 ms)
<55 ms
Reset
Reset ratio
97 % of the pick-up current setting
Instant reset time and start-up reset
<50 ms
9.2.1.3. Directional overcurrent (Idir>; 67)
Table. 9.2.1.3. - 159. Technical data for the directional overcurrent function.
Input signals
Current input magnitudes
Phase current fundamental freq RMS
Voltage input magnitudes
P-P +U
0
voltage fundamental frequency RMS
P-E voltage fundamental frequency RMS
Pick-up
Characteristic direction
Forward (0°), reverse (180°), non-directional
Operating sector size (+/-)
1.00…180.00 deg, setting step 0.10 deg
Pick-up current setting
0.10…40.00 × I
n
, setting step 0.01 × I
n
Inaccuracy:
- Current
- U1/I1 angle (U > 15 V)
- U1/I1 angle (U = 1…15 V)
±0.5 %I
set
or ±15 mA (0.10…4.0 × I
set
)
±0.15°
±1.5°
Instant operation time
Start time and instant operation time (trip):
- I
m
/I
set
ratio > 3
- I
m
/I
set
ratio = 1.05…3
<35 ms (typical 25 ms)
<50 ms
Reset
Reset ratio
- Current
- U1/I1 angle
97 % of the pick-up current setting
2.0°
Instant reset time and start-up reset
<50 ms
9.2.1.4. Directional earth fault (I0dir>; 67N)
Table. 9.2.1.4. - 160. Technical data for the directional earth fault function.
Input signals
Current input magnitudes
Residual current fundamental frequency RMS
Voltage input magnitudes
Zero sequence voltage fundamental frequency RMS
AQ-E215
Instruction manual
Version: 2.01
© Arcteq Relays Ltd
196
Содержание AQ-E215
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