Dry Type Transformer Temperature Rise and Insulation Class
Temperature rise and insulation class set the life of a dry type transformer. Learn the limits, how ambient and altitude change them, and what to specify.
Selection & Sizing
Selection & Sizing
Selection & Sizing
Dry Type Transformer Noise Levels: Causes and How to Cut Them
What causes dry type transformer noise, how it is measured to IEC 60076-10, and the practical steps that lower it at the unit and in the electrical room.
Selection & Sizing
IP Rating for Dry Type Transformers: What to Specify
IP ratings control dust and moisture on an air-cooled dry type transformer. Learn what to specify indoors and outdoors, and the cooling trap to avoid.
Selection & Sizing
Medium Voltage Transformer Selection Guide
Specifying a medium voltage transformer means translating network data and load requirements into a buildable design. This guide lists the decisions in…
Selection & Sizing
How to Choose Transformer Capacity?
Transformers come in standard ratings. Choosing capacity means picking the standard size that best fits your load today, your peaks, and your plans —…
Selection & Sizing
How Much Transformer Capacity Does a Factory Need?
This is the question behind most transformer enquiries. The answer comes from a load study, not a rule of thumb — but a few checks will tell you quickly…
Selection & Sizing
How to Calculate Transformer Load?
Knowing how heavily loaded your transformer actually runs is the basis for every decision that follows: whether you have capacity for a new line, whether…
Selection & Sizing
How to Select Transformers for Hotels: A 24-Hour Load Guide
A hotel runs 24 hours a day with a load profile that swings between guest rooms, kitchen, laundry, HVAC, pools, conference facilities and back-of-house…
Selection & Sizing
How to Select a Transformer for a Hospital?
Hospital power is life-critical. The electrical installation is divided into essential services — operating theatres, intensive care, life support,…