Improvement of earthing system for Sub Transmission Station

References

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@article{1702514,
      author = {Agugharam, T. O, Idoniboyeobu, D. C., Braide, S. L.},
      title = {Improvement of earthing system for Sub Transmission Station},
      journal = {Iconic Research And Engineering Journals},
      year = {2020},
      volume = {4},
      number = {4},
      pages = {62-70},
      issn = {2456-8880},
      url = {https://www.irejournals.com/formatedpaper/1702514.pdf},
      abstract = {Earthing system for sub transmission station is actually imperative for the electric power system stability, the touch and step potential in the transmission station earthing system maintains a good grounding grid design which enable substation permissible limits, based on fibrillation discharge limit. This research aimed at improving the earthing system in Afam/IPP132/33KV sub transmission station, Afam, Rivers State, Nigeria. The improvement was chosen carefully by taking account of the physical and chemical composite of the soil with determined value of each of these details; earth grid resistance, computation of mesh potential, touch potential, step potential and ground potential rise which were achieved using Sverak method while ETAP (Electrical Transient analyzer program) simulation software was exploited in verification of the desired result. Hence the earthing system was considered to be within its safe limits. In conclusion, the earth resistance values of pit 1, 3 and 5 respectively were very high. We recommend that the earth resistance for pit 1, 3 and 5 respectively should be treated by adding 6 bags of charcoal, 1.5 bags of salt and water to various pit to avoid break down of electricity supply on the network. Earth resistance test should be carried out annually on the substation using earth resistance tester.},
      keywords = {Electrical Transient Analyzer Program (ETAP) Software, earth grid resistance, computation of mesh potential, touch potential, step potential and ground potential rise.},
      month = {October},
  }