IEEE PC57.12.38/D6.1, Aug 2006

PC57.12.38/D6.1, Aug 2006 is a technical standard for cooled, single phase distribution transformers with high voltage ratings up to 34 500 GrdY/19 920 volts and low voltage ratings of 240/120 volts, at 167 kVa and smaller. It is relevant to power, energy and industry applications where transformer design, ratings, and performance expectations need to be clearly defined. For buyers and engineers, this standard helps support consistent specification and comparison of equipment.

About PC57.12.38/D6.1, Aug 2006

This standard addresses the requirements associated with cooled, single phase distribution transformers used in electrical power systems. PC57.12.38/D6.1, Aug 2006 focuses on transformer characteristics such as voltage classes, kVA capacity, and the operating context for smaller distribution units. In practice, it provides a reference for design and evaluation, helping align equipment selection with expected service conditions. The document is most useful when a specific transformer specification is needed for utility or industrial distribution planning.

Where is PC57.12.38/D6.1, Aug 2006 used?

PC57.12.38/D6.1, Aug 2006 is typically used in distribution networks that rely on single phase transformers to step power down for end-use delivery. Its scope fits equipment serving utility feeders, local distribution points, and facility-level electrical systems where 240/120 volt secondary service is common. The standard is also relevant for engineering teams, procurement specialists, and manufacturers working with cooled transformer designs in power, energy and industry applications.

Importance in practice

This standard matters because transformer specifications affect safety, reliability, and compatibility in electrical distribution. Using PC57.12.38/D6.1, Aug 2006 can help reduce ambiguity during design review, procurement, and testing by setting a clear technical target for voltage ratings and capacity limits. It also supports more consistent product comparison and helps control risk when selecting equipment for service conditions where performance and insulation coordination are important.

• Cooled, single phase distribution transformers
• High voltage up to 34 500 GrdY/19 920 volts
• Low voltage 240/120 volts
• 167 kVa and smaller ratings
• Power, energy, and industry applications