Question 1

Which BIS Standards Apply to Transformers in India?

Accepted Answer

The applicable BIS standard depends on the type and use of the transformer. For example, the IS 2026 series covers power transformers, while IS 1180 (Part 1) covers outdoor-type, mineral-oil-immersed distribution transformers rated up to and including 2,500 kVA and 33 kV.

Question 2

Why Should I Obtain Transformer Testing Reports Before Making a Purchase?

Accepted Answer

Transformer testing reports help verify whether the transformer has undergone the appropriate tests for its type and application. Check that the reports meet the applicable standards and project specifications.

Question 3

What Is the Difference Between Oil-Immersed and Dry-Type Transformers?

Accepted Answer

Dry-type transformers use solid insulation, while oil-immersed transformers use insulating liquid for insulation and heat transfer. The right option depends on the installation environment and project requirements.

Question 4

How Can I Find Out What Transformer Rating I Need?

Accepted Answer

To determine the required transformer rating, consider the anticipated electrical load, voltage levels, operating pattern, and potential future expansion. A qualified electrical engineer can help select the appropriate rating.

Question 5

What Should You Consider When Comparing Transformer Suppliers?

Accepted Answer

When comparing transformer suppliers and power transformer manufacturers in India, consider applicable standards, transformer specifications, testing documentation, warranty conditions, delivery timelines, maintenance services, technical support, and the ability to meet your project's requirements.