BS 5347:1976
Current
The latest, up-to-date edition.
Specification for silicon-iron strip-wound cores for use in transformers and inductors for telecommunications and electronic equipment
Hardcopy , PDF
English
28-05-1976
Foreword
Cooperating organizations
Specification
1 Scope
2 References
3 Definitions
4 Physical and mechanical characteristics
5 Magnetic and electrical characteristics
6 Test schedules
7 Mechanical test procedures
8 Environmental test procedures
9 Electrical test procedures
10 Marking, ordering and packaging
Appendices
A Gauges for mechanical tests
B Test circuits
Tables
1 Colour code for thickness of material
2 Colour code for grade of material
3 Dimensions of single-phase cores
4 Dimensions of three-phase cores
5 Single-phase cores: characteristics for strip
thicknesses of 0.10 mm nominal and 0.30 nominal
6 Three-phase cores: characteristics for strip
thicknesses of 0.10 mm nominal and 0.30 nominal
Figures
A1 Box gauge for checking window dimensions
A2 Gauges for checking overall dimensions
B1 Circuit for measurement of power loss: single-phase
cores
B2 Circuit for measurement of power loss: three-phase
cores
B3 Circuit for measurement of apparent power: single-
phase cores
B4 Circuit for measurement of apparent power: three-
phase cores
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.