IEEE C57.15-1986
Voltage Regulators
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About This Item
C57.15-1986 is a voltage regulators standard for power, energy, and industry applications, offering technical guidance for equipment used to control and stabilize electrical voltage. As a superseded document, it remains useful for understanding the requirements and design expectations that shaped earlier regulator practice. C57.15-1986 helps engineers, procurement teams, and technical reviewers assess how voltage regulation equipment was specified for reliable operation in utility and industrial environments.
Overview of C57.15-1986
This standard focuses on voltage regulators, which are used to maintain acceptable voltage levels as electrical conditions change. In power systems, regulation supports steadier equipment performance and helps limit the effects of supply variation. C57.15-1986 is relevant to users comparing legacy specifications, reviewing historical design requirements, or evaluating equipment documentation tied to older procurement and testing practices. Its scope is centered on practical engineering expectations for regulator performance and application.
Typical use cases
C57.15-1986 may be referenced when working with utility distribution equipment, industrial power systems, or legacy voltage regulating installations. It is also useful in specification review for replacement planning, equipment comparison, and technical audits involving regulator assemblies. In these settings, the standard can help clarify how voltage regulation was addressed for stable service, especially where older infrastructure, maintenance records, or compliance files still depend on the original technical language.
Why it matters
For voltage regulators, clear requirements support consistent design, correct selection, and more reliable performance under changing load and supply conditions. C57.15-1986 can help reduce ambiguity in procurement and inspection by giving teams a defined reference for legacy equipment expectations. It also supports safer technical decisions when evaluating existing installations, since understanding the original standard can matter during maintenance, refurbishment, or compatibility checks. C57.15-1986 remains a practical reference point for historical compliance and engineering review.
- Voltage regulator technical requirements
- Legacy power system reference
- Design and performance context
- Utility and industrial applications
- Superseded standard for review
- Publication Date: 1988
- Standard Status: Superseded
- Publisher: IEEE
- Subject: Power, Energy and Industry Applications
- Official IEEE: Doi link
- New Version Available: C57.15 (2018)
- Previous Version: C57.15 (2009)
- Previous Version: C57.15 (2000)
- This Version: C57.15 (1988)
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