WARNING!
Prior to the initial voltage connection, the following must be guaranteed:
• Correct grounding of the device•
• All signal circuits must be tested•
• All control circuits must be tested•
• The transformer wiring must be checked•
• Correct rating of the CTs•
• Correct burden of the CTs•
• The operational conditions must be in line with the Technical Data•
• Correct rating and function of the CT fuses;•
• Correct wiring of all digital inputs•
• Polarity and capacity of the supply voltage (if applicable for this WIC1 variant)•
7.1
Commissioning / Protection Test
WARNING!
Putting into operation/Protection test must be carried out by authorized and qualió°ŠŸed
personnel. Before the device is put into operation the related documentation has to be
read and understood.
WARNING!
With any test of the protection functions the following has to be checked:
• Are all signals/messages correctly generated?•
• Do all general parameterized blocking functions work properly?•
• Do all temporary parameterized (via DI) blocking functions work properly?•
• To enable checks on all LEDs and relay functions, these have to be provided with•
the relevant alarm/pickup/tripping signals of the respective protection functions/
elements.
WARNING!
Check of all temporary blockings:
In order to avoid malfunctions, all blockings related to tripping/non-tripping of protection
functions have to be tested.
NOTICE!
Prior to the initial operation of the protection device all tripping times and values shown
in the adjustment list have to be conó°ŠŸrmed by a secondary test
188 WIC1 WIC1-1.0-EN-MAN
7 Commissioning
7.1 Commissioning / Protection Test
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