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IEEE Recommended Practice for General Principles for Temperature Limits in the Rating of Electrical Equipment and for the Evaluation of Electrical Insulation
Revision Standard - Active.
The preparation of standards that are principally concerned with the thermal endurance of electrical insulating materials and simple combinations of such materials is intended to be served by this recommended practice;
the establishment of limiting temperatures of electrical insulation systems is intended to be supported; and
general principles for the thermal classification of electrical insulation systems are intended to be provided.
Guiding principles are included for the development of test procedures for the following:
The principles are presented in the following order:
In the application of these principles, variations are necessary to suit the widely different types of equipment and service conditions that are considered in equipment standards.
When specific equipment, IEEE, or other recognized standards based on these principles are available, they should take precedence over this recommended practice.
This recommended practice is intended to serve in the preparation of standards that are principally concerned with the thermal endurance of EIM and simple combinations thereof, with the establishment of limiting temperatures of EIS, and with the provision of general principles for thermal classification of EIS.
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