Catchments and Spatial Solutions
Environment Solutions
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Hydro Power Solutions
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AJENTI
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Secondary Systems
Our Secondary Systems team of engineers and technicians are experts in installing and commissioning activities on the secondary systems of power distribution systems. We can supply installation and commissioning of protection schemes, metering and SCADA schemes, as well as their maintenance and repair.
With over 50 years of protection scheme, and metering SCADA experience, our secondary systems service provides clients with the ability to identify and act to correct any potential problems, while minimising valuable downtime for their assets.
Our Secondary Systems capabilities include:
- installing, commissioning and maintaining Harris and Foxboro SCADA systems for power system monitoring and control
- commissioning and testing of protection and control schemes for power generation, transmission and distribution systems.
- Typical secondary system components are:
- protection relays
- ABB REL 511 (Distance)
- ABB REL 521 (Distance)
- Alstom P543
- GEC Optimho (Distance)
- GE Multilin C60 (Bay Controller)
- Areva C264 (Bay Controller)
- GE Multilin T60 (Transformer protection)
- SEL 321
- Schweitzer SEL 311L (Current differential)
- Schweitzer SEL 421 (Distance protection)
- GE Multilin SR745 (Transformer differential)
- GE Multilin SR760 (Feeder management)
- Siemens 7UM (Generator protection)
- GE Multilin G60 (Generator protection)
- SCADA
- ABB MicroSCADA
- Allen-Bradley PLC5, SLC500
- Modicon PLC
- Harris D20
- Foxboro C50
- Foxboro SCD52000
- Protocols
- DNP3
- Conitel
- Modbus
- IEC 61850
- installation, commissioning and testing of metering for power distribution networks.
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