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IEEE 95-2002

Withdrawn
Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

IEEE Recommended Practice for Insulation Testing of AC Electric Machinery (2300 V and Above) With High Direct Voltage
Available format(s)

PDF

Withdrawn date

03-30-2023

Language(s)

English

Published date

04-12-2002

1 Overview
  1.1 Scope
  1.2 Purpose
  1.3 Application and limitations
2 References
3 Definitions
4 Test preparations
  4.1 Safety precautions required for high direct-voltage tests
  4.2 Influencing factors
  4.3 Gas-cooled machines
  4.4 Liquid-cooled machines
  4.5 Isolation of the winding from cables and auxiliary equipment
  4.6 Sectionalizing the winding
5 Test equipment and connections
  5.1 High direct-voltage test equipment
  5.2 Discharge and grounding provisions
  5.3 High-voltage test connection to the winding
  5.4 Test connection to ground
6 Test procedure: proof tests
  6.1 Test voltage for acceptance proof testing
  6.2 Test voltage for maintenance proof testing
  6.3 Voltage application
  6.4 Discharging and grounding
  6.5 Test results
  6.6 Insulation failure
7 Test procedure: controlled overvoltage test
  7.1 Test method
  7.2 Test setup
  7.3 Measured current
  7.4 Test voltage for controlled overvoltage testing
  7.5 Initial voltage level
  7.6 Voltage increments
  7.7 Discharging and grounding
  7.8 Test results
  7.9 Use of controlled overvoltage tests
8 Fault location
9 Suggested test record
Annex A (informative) Test Procedures
Annex B (informative) Bibliography

This recommended practice provides information on the use of high direct voltage forproof tests and for periodic diagnostic tests on the groundwall insulation of stator (armature) wind-ings in ac electric machines.

Committee
Electric Machinery
DocumentType
Standard
ISBN
978-0-7381-3246-4
Pages
56
PublisherName
Institute of Electrical & Electronics Engineers
Status
Withdrawn
Supersedes

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