Volta Aluminium Company Limited (VALCO)
Electrical Engineer — National Service Personnel · Rectifier Department
Tema, Ghana
- Supported Rectifier Station operations distributing incoming 13.8 kV power safely across the plant, including auxiliary power distribution to all plant sections.
- Monitored AC-to-DC conversion across 4 voltage regulators supplying 2 main cell lines.
- Executed preventive maintenance on 85 MVA voltage regulators and Westinghouse rectifier transformers (12,410 / 16,540 kVA) and substations.
- Performed megger testing to identify dielectric breakdown on power transformers and substation equipment, preventing unplanned downtime.
- Carried out troubleshooting and fault rectification in the plant power system.
- Supported Carbon Operations maintenance of conveyor belts, crushers, anode mold formers and induction furnaces.
- Conducted LOTO field audits on Motor Control Centres and took part in plant-wide safety audits.
13.8 kVRectifiersTransformersMegger testingLOTO