Winder Power has a long history of Type Testing transformers.

Impulse tests, temperature rise tests and short circuit tests have all been carried out on a range of distribution and power transformers from 500kVA to 55MVA.

Substation Services offer a full range of on-site transformer testing and fault diagnosis including:

• Visual conditional assessments.
• Full range of oil sampling analysis.
• Transformer Ratio, Vector Group and Magnetising Current Testing.
• Insulation Resistance Testing inclusive of insulation measurements, test of windings and the transformer core.
• Fault diagnosis and Finger-print Testing inclusive of winding resistance and Sweep Frequency Response Analysis (SFRA).
• CT & VT Analysis.
• Testing of all types of auxiliary protection instruments.
• Full DNO pre-commissioning works.