IEEE PC57.12.34/D3.1, Jun 2022
Phase Distribution Transformers, 10 MVA and Smaller; High-Voltage, 34.5 kV Nominal System Voltage and Below; Low-Voltage, 15 kV Nominal System Voltage and Below
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Language: English
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About This Item
PC57.12.34/D3.1, Jun 2022 is a technical standard for phase distribution transformers rated 10 MVA and smaller, covering high-voltage systems at 34.5 kV nominal and below, as well as low-voltage systems at 15 kV nominal and below. It helps define the expected design and performance framework for these transformers, supporting more consistent engineering, testing, and procurement decisions. For power and energy applications, that clarity matters when selecting equipment for distribution networks and related installations.
What is PC57.12.34/D3.1, Jun 2022?
PC57.12.34/D3.1, Jun 2022 is a standards document focused on phase distribution transformers and the technical requirements that apply to them within specified voltage and rating limits. It addresses transformer characteristics used in utility and industrial power distribution, where design consistency and verified performance are important. As a product-relevant technical document, it may be used to guide specification, testing, and evaluation of transformer equipment. The standard supports alignment between manufacturers, purchasers, and engineers working with distribution-class transformer systems.
Where is PC57.12.34/D3.1, Jun 2022 used?
This standard is used in power distribution environments that rely on single-phase or phase distribution transformers for stepping voltage levels up or down within defined limits. It is relevant to utility feeders, service transformers, and other distribution equipment operating at 34.5 kV nominal system voltage and below on the high-voltage side, and 15 kV nominal and below on the low-voltage side. PC57.12.34/D3.1, Jun 2022 is also useful in engineering, specification, and acceptance workflows where transformer selection and consistency are important.
Why is PC57.12.34/D3.1, Jun 2022 important?
PC57.12.34/D3.1, Jun 2022 matters because it helps create a common basis for transformer design, rating, and testing expectations. In practice, that can reduce ambiguity during procurement and support safer, more consistent performance in distribution service. It is especially useful when comparing equipment intended for the same voltage class and MVA range. For compliance-focused teams, the standard can also help limit technical risk by aligning product requirements with an established reference.
- Phase distribution transformers
- 10 MVA and smaller ratings
- 34.5 kV nominal and below
- 15 kV nominal and below
- Design, testing, and procurement reference
- Publication Date: 2022
- Standard Status: Inactive
- Publisher: IEEE
- Subject: Components, Circuits, Devices and Systems; Power, Energy and Industry Applications
- Official IEEE: Doi link
- New Version Available: PC57.12.34 (2022)
- Previous Version: PC57.12.34 (2022)
- This Version: PC57.12.34 (2022)
- Previous Version: PC57.12.34 (2015)
- Previous Version: PC57.12.34 (2015)
- Previous Version: PC57.12.34 (2009)
- Previous Version: PC57.12.34 (2009)
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