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The design, supply, installation and commissioning of HV sub-stations and power lines
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Mbombela 2010 Stadium 132/11kV Substation -Nelspruit  in South Africa

29-03-2010

Client: Mbombela Local Municipality
Consulting Engineer: NETGROUP
Project Type: Greenfield
Value: R37,697,000.00
Start/ Completion Date: April 2008 - January 2010
System Voltage: 132 kV
Substation MVA Rating: 40 MVA
No. Incomer Bays: 1
No. Transformer Bays: 2
No. Feeder Bays: 1
No. Bus Section Bays: 1
Protection Philosophy Applied SEL
Automation Philosophy Applied: SEL
Challenges:  
  • Civil design- designs had to be modified in order to suit the poor soil conditions.
  • Earthing design- the required GPR, step and touch potential values were not easily achieved due to poor earth resistivity result