Tagged: Protective Relays

Neutral grounding

The process of connecting some electrical part of the power system (e.g. neutral point of a star connected system, one conductor of the secondary of a transformer etc.) to earth either directly or through...

Soil Resistivity

Soil resistivity is a measure of how much the soil resists or conducts electric current. Thus before designing and installing a new grounding system in an electrical substation, the location should be tested to...

Balanced Earth-fault Protection of Alternator

Balanced Earth-fault Protection of Alternator This scheme provides protection against earth-faults only (in small-size alternators where Differential protection is not possible to apply). It provides no protection against phase-to-phase faults, unless and until they...

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