IEEE C57.113-1991
Filled Power Transformers and Shunt Reactors
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About This Item
C57.113-1991 is a technical standard for filled power transformers and shunt reactors, addressing how these power equipment types are specified and evaluated in electrical engineering practice. It is relevant to systems where insulation, thermal behavior, and operating performance must be controlled with care. For organizations working with power, energy and industry applications, this standard supports more consistent design and procurement decisions while helping align equipment expectations with accepted technical requirements.
About C57.113-1991
C57.113-1991 focuses on filled power transformers and shunt reactors, two components used in high-voltage power systems and related industrial applications. The standard is useful when comparing equipment characteristics, checking technical requirements, or reviewing compliance documentation. As a superseded document, it may still be referenced for legacy installations, historical design records, or procurement support for older equipment families. Its value lies in giving a clear technical framework for these specific apparatus categories.
Where is C57.113-1991 used?
This standard is typically used in utility power networks, substation equipment selection, and industrial power systems that rely on filled transformers or shunt reactors. It may also support engineering work involving equipment specification, acceptance review, and maintenance planning for legacy assets. Because the subject covers power, energy and industry applications, the document is most relevant where electrical system performance, voltage control, and component behavior need to be matched to established requirements.
Importance in practice
In practice, C57.113-1991 helps reduce uncertainty when evaluating or specifying filled transformers and shunt reactors. It supports more consistent compliance checks, better documentation control, and clearer expectations during procurement or replacement planning. For legacy equipment, the standard can be especially useful in preserving technical continuity across design, testing, and maintenance activities. Using a defined standard can also help limit mismatch risks between system requirements and equipment capabilities.
- Filled power transformers
- Shunt reactor applications
- High-voltage equipment review
- Legacy specification reference
- Compliance and procurement support
- Publication Date: 1991
- Standard Status: Superseded
- Publisher: IEEE
- Subject: Power, Energy and Industry Applications; Components, Circuits, Devices and Systems
- Official IEEE: Doi link
- New Version Available: C57.113 (2024)
- Previous Version: C57.113 (2010)
- This Version: C57.113 (1991)
- Previous Version: C57.113 (1988)
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