12.5 MVA Transformer Servicing — Hazrat Amanat Shah Spinning Mills Ltd.

Project Overview
Ohmistiry completed professional servicing of a 12.5 MVA power transformer at Hazrat Amanat Shah Spinning Mills Ltd., a leading textile facility in Bangladesh, ensuring safe and uninterrupted power supply for production.

Scope of Work

• Visual inspection of tank, bushings, radiators & conservator
• Oil sampling & dielectric strength (BDV) testing
• Oil filtration and reconditioning
• HV/LV terminal tightening
• Insulation resistance (IR) & winding resistance testing
• Buchholz relay & pressure relief checks
• Earthing continuity inspection
• Thermal imaging for hotspot detection
• Final load & performance testing

Result
The transformer was restored to peak condition with verified insulation performance and safety compliance — reflecting Ohmistiry's reliable transformer maintenance standards across Bangladesh.