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Neutral grounding resistors (NGRs) are used in AC distribution networks to limit fault current. They contain elements like plate grids or wire wound coils that allow manufacturing of designs for currents ranging from amps to kiloamps. NGRs come in earthed frame enclosures rated from 3.6kV to 132kV with insulation. Resistance values are set during manufacturing and remain constant, while some types increase resistance during operation, reducing fault current over time. NGRs provide reliable protection and ca

Author

Carlos Pinto

Language

EN