IEEE 286-1968
Up of Rotating Machinery Stator Coil Insulation
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About This Item
286-1968 is a superseded standard focused on the insulation of stator coils used in rotating machinery. It is relevant to power and energy equipment, where coil insulation helps influence electrical endurance, dielectric behavior, and long-term machine reliability. For engineers and buyers reviewing legacy requirements, this document can help define how stator coil insulation was treated at the time and support comparison with later specifications for motors, generators, and similar rotating electrical machines.
286-1968 overview
This technical document addresses the insulation-related aspects of stator coils in rotating machinery, making it useful for understanding design and test expectations for electrical insulation systems. As a historical standard, 286-1968 may be consulted when evaluating older equipment, reviewing legacy manufacturing records, or comparing material and performance requirements against newer practices. Its subject matter sits at the intersection of electrical machine components, dielectric materials, and power equipment engineering.
Typical use cases
286-1968 is commonly referenced when working with stator winding assemblies in motors, generators, and other rotating electrical machines that rely on coil insulation performance. It may support design review, refurbishment planning, procurement of legacy-compatible components, and inspection of insulation systems in industrial power equipment. The standard can also be useful in technical documentation for maintenance teams that need a consistent reference for stator coil insulation characteristics and related acceptance checks.
Why this standard matters
Even as a superseded document, 286-1968 matters because insulation quality directly affects machine reliability, electrical safety, and service life. Clear requirements help reduce variation in materials, construction, and testing for stator coils, which is important when comparing suppliers or assessing older installations. In practice, this kind of standard supports more consistent engineering decisions, better risk control, and a stronger basis for evaluating whether an insulation system is suitable for its operating environment.
- Stator coil insulation requirements
- Rotating machinery applications
- Dielectric and material considerations
- Legacy design and maintenance reference
- Superseded technical specification
- Publication Date: 1968
- Standard Status: Superseded
- Publisher: IEEE
- Subject: Power, Energy and Industry Applications; Components, Circuits, Devices and Systems; Engineered Materials, Dielectrics and Plasmas
- Official IEEE: Doi link
- New Version Available: 286 (2024)
- Previous Version: 286 (2000)
- Previous Version: 286 (1975)
- This Version: 286 (1968)
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