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    danar's Avatar
    danar Posts: 69, Reputation: 2
    Junior Member
    		  
    #1

    Jul 25, 2007, 11:33 PM
    Grounding system
    What is more effective in industrial application.. the HRG (high resistant grounding) system or the low resistant grounding system?
    tkrussell's Avatar
    tkrussell Posts: 9,659, Reputation: 725
    Uber Member
    		  
    #2

    Jul 27, 2007, 03:01 AM
    The issue is not effectiveness.

    Where do you come up with these questions?

    If the facility is housing a critical operation, HRG may be considered, as if there is a fault, the fault can be detected with indicators, and not cause the opertion to shut down due to a fuse or breaker opening.

    An LRG system will cause a protection device to open immediately in the event of a ground fault and shut down the circuit.
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