OUR projects
The design, supply, installation and commissioning of HV sub-stations and power lines
Graaff-Reinet 66/11kV Substation in South Africa |
27-05-2010
| Client: |
Camdeboo Municipality |
| Consultiong Engineers: |
Ballenden & Robb |
| Protject type: |
Brownfields |
| Value: |
R10 892 000.00 |
| Start/ completion date: |
November 2008 - May 2010 |
| System Voltage: |
66/11 kV |
| Substation MVA Rating: |
40 MVA |
| No. Incomer Bays: |
1 |
| No. Transformer Bays: |
1 |
| No. Feeder Bays: |
2 |
| Protection Philosophy Applied: |
Over Current, Earth Fault, REF and Tap Change (Relays used: SEL-551, SEL/587, REG-DA) |
| Automation Philosophy Applied: |
DNP3 |
| Challenges Overcome: |
- Design: had equipment built by pass line to keep substation live while replacing equipment
- Shutdowns were only allowed on Sundays and careful planning was required to finish works
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