IEC PAS 62072:2005
Withdrawn
Natural graphite brush for rotating electrical machinery - Basic characteristics
Hardcopy , PDF
English
01-17-2005
07-02-2009
FOREWORD
1 Scope
2 Normative references
3 Terms and definitions
4 Classification
5 Characteristics
5.1 Physical properties
5.1.1 Bulk density
5.1.2 Hardness
5.1.3 Resistivity
5.1.4 Bending strength
5.1.5 Ash
5.2 Operating characteristics
5.2.1 Total voltage drop
5.2.2 Coefficient of friction
5.3 Recommended operating conditions
5.3.1 Peripheral velocity
5.3.2 Current density
5.3.3 Brush pressure
6 Test methods
Annex A (informative) Measurements and performance characteristics
Annex B (informative) Manufacture process of the different brushes
Annex C (informative) Comparison of physical properties
Annex D (informative) Environmental pollution
Gives basic characteristics of natural graphite brushes for rotating electrical machinery. Applies to brushes for commutators and slip-rings in rotating electrical machinery.
| DocumentType |
Miscellaneous Product
|
| Pages |
12
|
| PublisherName |
International Electrotechnical Committee
|
| Status |
Withdrawn
|
| Standards | Relationship |
| NEN NPR IEC/PAS 62072 : 2005 | Identical |
| PD IEC/TR 63021:2016 | Rotating electrical machinery. Natural graphite brush for slip-ring in wound rotor-type induction motor. Application information |
| IEC 60773:1983 | Test methods and apparatus for measurement of the operational characteristics of brushes |
| IEC 60413:1972 | Test procedures for determining physical properties of brush materials for electrical machines |
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