IEEE 275-1981 Historical [ Withdrawn ]

1909882

IEEE Recommended Practice for Thermal Evaluation of Insulation Systems for AC Electric Machinery Employing Form-Wound Pre-Insulated Stator Coils, Machines Rated 6900 V and Below

standard by IEEE , 05/15/1981

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Full Description

Scope

This standard outlines a test procedure for comparing two or more insulation systems in accordance with their expected life at rated temperature. The procedure is limited to insulation systems for alternating-current electrical machines using form-wound pre-insulated stator coils and rated 6900 V and below. It is the intent of this procedure to evaluate insulation systems for use in usual service conditions with air cooling. It does not cover such special requirements as machines enclosed in gas atmospheres, subjected to strong chemicals, to metal dusts, or to submersion in liquids, etc. The procedure includes instructions for testing candidate systems in comparison with known systems having a proven record of service experience and interpretation of the results.

Purpose

The purpose of this procedure is to classify insulation systems for the machinery within the scope of this standard in accordance with their temperature limits by test, rather than by chemical composition. Data from such tests may be used to establish the temperature classification of new insulation systems before they are service proven. Service proven systems must also be tested according to this test procedure.

Abstract

Revision Standard - Superseded.
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Document History

  1. IEEE 275-1992


    IEEE Recommended Practice for Thermal Evaluation of Insulation Systems for Alternating-Current Electric Machinery Employing Form-Wound Preinsulated Stator Coils for Machines Rated 6900 V and Below

    • Most Recent

  2. IEEE 275-1981

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    IEEE Recommended Practice for Thermal Evaluation of Insulation Systems for AC Electric Machinery Employing Form-Wound Pre-Insulated Stator Coils, Machines Rated 6900 V and Below

    • Historical Version

  3. IEEE 275-1966


    IEEE Proposed Test Procedure for Evaluation of Systems of Insulating Materials for A-C Electric Machinery Employing Form-Wound Preinsulated Stator Coils for Machines Rated at 50 to 2000 horsepower 35 to 1500 Kilowatts mechanical output and below 6600 volts

    • Historical Version

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Product Details

Published:

05/15/1981

ISBN(s):

9781504402538

Number of Pages:

12

File Size:

1 file , 4.7 MB

Product Code(s):

STDSU08235

Note:

This product is restricted and cannot be purchased in these countries.