Transformer Commissioning & Testing.
Site installation, oil filtration, complete pre-commissioning testing and statutory energisation of distribution and power transformers.

What this department delivers
From small 25 kVA distribution units to multi-MVA power transformers at HT substations, our team handles unloading, placement, oil filtration, all electrical pre-commissioning tests, KSEB-witnessed checks and final charge-up. We supply test reports compliant with IS 2026 and KSEB protocols.
Core service scope
Site Installation
Plinth preparation, transformer placement, bus-bar and cable termination.
Oil Filtration
Vacuum oil filtration and dielectric strength testing up to BDV ≥ 60 kV.
IR & PI Testing
Winding and core insulation resistance, polarisation index and ratio tests.
Tan Delta & SFRA
Diagnostic testing for winding condition and insulation health.
Relay Coordination
OC, EF, REF and differential relay setting and end-to-end testing.
Annual O&M
Scheduled maintenance contracts with thermography and oil sampling.
From inquiry to energisation
Site Prep
Foundation check, earthing and pre-installation survey.
Installation
Placement, assembly of accessories and oil filling.
Testing
Full suite of pre-commissioning electrical tests.
Energisation
KSEB witness, charge-up and trial-run monitoring.
Why clients choose this division
Decades of combined field experience, strict QA protocols and a clean compliance record with KSEB and statutory authorities.
Discuss a Project- 200+ distribution transformers commissioned across Kerala
- In-house Megger, BDV kit, tan delta and SFRA test instruments
- Calibrated test reports accepted by KSEB and Electrical Inspectorate
- 24×7 emergency breakdown support for industrial clients