What is the neutral point earthing and its advantages?

In substation all the neutrals of rotating machines, transformers, busbars and other equipmentare connected to ground. Some of the advantages are:

  • Earth fault protection is based on the method of neutral grounding
  • The system voltage during earth faults depends on the neutral grounding. During line to ground faults, grounding of neutral helps to reduce the over-voltages which occur on the onehealthy phases.