The existing 3x Sag Mill Cycloconverter transformer utilises a loop in loop out cable supply arrangement (instead of dedicated supply to each transformer). This has cramped the 33kV termination box, particularly as the existing cables utilised are 300mm2 Cu 19/33kV three core ind.screened PVC/SWA/PVC Sheathed. This resulted in high levels of Partial Discharge between the … Continue reading Cyclo Converter Transformers