ISO 9001:2008
www.fanox.com
SIAC116B1011AB_Rev. 05
28 / 32
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51P Inverse time phase overcurrent protection:
TEST 1:
Settings:
-
Permission: YES.
-
Curve: IEC Inverse.
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Dial: 0.05
-
TAP: 0.5xIn.
-
Theoretical tripping time= 3.67 seconds (Fault current
0.55xIn)
The following information will be checked:
-
Pick-up at 110% of the tap
-
Trip output is activated
-
Output 2 is activated
-
Trip flag is activated
TEST 2
Settings:
-
Permission: YES.
-
Curve: IEC Inverse.
-
Dial: 1
-
TAP: 0.5xIn.
-
Theoretical tripping time = 4.98 seconds (fault current
2xIn)
The following information will be checked:
-
Trip output is activated
-
Output 2 is activated
-
Trip flag is activated
TEST 3
Settings:
-
Permission: YES.
-
Curve: IEC Inverse.
-
Dial: 1
-
TAP: 0.5xIn.
-
Theoretical tripping time = 2.97seconds (Fault
current 5xIn)
The following information will be checked
:
Trip output is activated
Output 2 is activated
O/C Trip flag is activated