IEEE C57.19.04-2018
IEEE Standard for Performance Characteristics and Dimensions for High Current Power Transformer Bushings with Rated Continuous Current in Excess of 5000 A in Bus Enclosures
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About This Item
IEEE C57.19.04-2018 defines performance characteristics and dimensions for high current power transformer bushings with rated continuous current in excess of 5000 A in bus enclosures. It is a focused engineering standard for components used in power, energy, and industrial applications where large currents and enclosed bus arrangements demand controlled fit, reliable insulation, and predictable performance. For procurement, design, and verification, IEEE C57.19.04-2018 helps align equipment requirements with a consistent technical basis.
IEEE C57.19.04-2018 overview
This standard addresses the dimensional and performance expectations for high current bushings used with power transformer connections in bus enclosures. By setting a common reference for rating-related characteristics and physical interfaces, IEEE C57.19.04-2018 supports compatibility between the bushing, transformer, and enclosure design. It is especially relevant where continuous current exceeds 5000 A, making thermal performance, spacing, and construction details important to engineering coordination and specification control.
Typical use cases
IEEE C57.19.04-2018 is typically applied when specifying or reviewing bushings for large power transformers connected to enclosed bus systems. It may be used in utility substations, industrial power distribution equipment, and other high-current installations where current transfer through a bus enclosure must be arranged with careful attention to dimensions and rated performance. The standard is also useful during equipment selection, drawing review, and acceptance checks for transformer and enclosure interfaces.
Why this standard matters
For high-current transformer bushings, consistent dimensions and performance criteria reduce the chance of mismatch between components and help support safe installation. IEEE C57.19.04-2018 provides a technical reference that can improve design control, support compliant procurement, and simplify testing or inspection against defined requirements. In practice, it helps limit integration risk in systems where thermal loading, clearances, and mechanical fit are critical to dependable operation over time.
- High-current transformer bushing dimensions
- Performance characteristics for bus enclosure applications
- Rated continuous current above 5000 A
- Design and procurement reference
- Engineering and verification support
- Publication Date: 2018
- Standard Status: Active
- Publisher: IEEE
- Subject: Components, Circuits, Devices and Systems; Power, Energy and Industry Applications
- Official IEEE: Doi link
- This Version: C57.19.04 (2018)
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