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BS EN IEC 60276:2019

BS EN IEC 60276:2019

$189.07

Carbon brushes, brush holders, commutators and slip-rings. Definitions and nomenclature

Published By Publication Date Number of Pages
BSI 2019 46
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This document applies to carbon brushes for electrical machinery. For the present, it applies only to carbon brushes for commutators and slip-rings in rotating machines.

Terms and definitions are relative to the brush construction (references 100’s to 500’s and parts of 900’s) and to the markings when operating on a rotating machine (references 600’s to 800’s).

By extension, terms and definitions may be relevant for any kind of sliding electrical contacts for electrical machinery.

PDF Catalog

PDF Pages PDF Title
2 undefined
5 Annex ZA(normative)Normative references to international publicationswith their corresponding European publications
6 English
CONTENTS
7 FOREWORD
9 1 Scope
2 Normative references
3 Terms and definitions
11 4 Symbols and abbreviated terms
4.1 Symbols
4.2 Subscripts
5 Nomenclature
5.1 Brushes
5.1.1 101: Body / block
5.1.2 102 to 104: Definitions of t, a and r
13 5.1.3 105 to 112: Angles
Figure 1 – Elements of the brush for definition of r dimension
15 5.1.4 113 to 123: Edges and faces
17 5.1.5 124 to 136: Brush top
19 5.1.6 137 to 146: Monobloc, divided or double brushes
21 5.1.7 147 to 153: Other configurations
23 5.2 Tops (references No. 201 and following)
24 5.3 Flexibles (shunts) and other electrical connections (references No. 301 and following)
25 5.4 Terminals (references No. 401 and following)
26 5.5 Commutators and slip-ring (references No. 501 and following)
5.5.1 501 to 512: Commutators
28 5.5.2 513 to 514: Slip-rings
5.5.3 515: Profile
29 5.5.4 516: Flat contact
5.6 Commutator and slip-rings markings (references No. 601 and following)
35 5.7 Brush markings (references No. 701 and following)
5.7.1 701 to 710: Sliding surface markings
37 5.7.2 711 to 716: Edge/corner markings
38 5.7.3 717 to 721: Side markings
40 5.7.4 722 to 727: Connection markings
41 5.8 Spark evaluation (references No. 801 and following)
42 5.9 Miscellaneous (references No. 901 and following)
44 Annex A (informative) Spark codes
A.1 Criteria for assessment of sparking
Table A.1 – Additional definitions of spark
45 A.2 Complementary observations
A.3 Relation between spark code and Westinghouse scale
Table A.2 – Relationship between energy, colour, sound and spark code
Table A.3 – Relationship between spark code and Westinghouse scale

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BS EN IEC 60276:2019
$189.07