Electrical Measurements & On-Site Testing

On-Site Transformer Services

Electrical diagnostic measurements allow early detection of insulation or winding issues. SGB-SMIT SNWA performs on-site testing to assess transformer condition and operational safety. 

Our electrical measurement services include:

  • Insulation resistance measurements
  • Winding resistance measurements
  • Voltage ratio and vector group verification
  • SFRA (Sweep Frequency Response Analysis)
  • Capacitance and power factor measurements of transformers and bushings
  • Moisture measurement in oil

These tests support condition-based maintenance and informed asset management decisions.