Security of fault electrical current it is control by harmonics standard ISO BDS HD 60364.
CONTROLLED PARAMETERS:
- insulation resistance;
- absorption ratio;
- active resistance;
- resistance of protective earthing;
- resistance of lightning protection earthing systems;
- loop impedance "Phase protective conductor";
- current in the fault circuit;
- control of RCD;
- polarity;
- phase sequence;
- voltage drop;
- functional test.
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