BS 4999-144:1987
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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General requirements for rotating electrical machines Specification for the insulation of bars and coils of high voltage machines, including test methods
Hardcopy , PDF
15-11-1999
English
27-02-1987
Foreword
Committees responsible
Specification
Section one. General
1 Scope
2 Reference
Section two. Tests on conductor bars and coils
3 Tests
4 Routine test
5 Random test
Section three. Tests on windings cured in the stator
6 Test of conductor lamination insulation
7 Test of the winding
8 Tests on corresponding single winding elements
Tables
1 Number of bars or coil sides to be tested
2 Highest permissible values of loss tangent (rated
voltage not exceeding 11 kV)
Figure
1 Curve of tan delta against the ratio U/Un (example
of a series of measurements)
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