Polaris Diagnostics & Engineering Ltd provides independent transformer consultancy & technical support services for transformers and high voltage apparatus, specialising in all aspects of transformer fleet management, including: • Transformer specification compliance and auditing of manufacturing facilities. • Pre-Tank inspections and witnessing of factory acceptance testing. • Transformer site commissioning testing & diagnostic fingerprinting. • Transformer condition assessment and operational management. • Oil sampling, diagnostics and analysis. • Transformer defect and failure investigations. • Transformer fleet asset management planning. • Transformer post mortem forensic examinations. • RFI and Thermal substation surveillance. • Transformer and Substation PD surveillance. • Mitigation of fire and explosion risk in transformer installation design. • Power quality investigations. • Expert Witness.