DIN EN 60740-1:2006-05
Current
The latest, up-to-date edition.
LAMINATIONS FOR TRANSFORMERS AND INDUCTORS - PART 1: MECHANICAL AND ELECTRICAL CHARACTERISTICS
Hardcopy , PDF
German
01-01-2006
1 Scope
2 Normative references
3 Terms, definitions and symbols
4 Materials and lamination thicknesses
4.1 Materials
4.2 Nominal lamination thickness
4.3 Minimum stacking factor
5 Designation of laminations and lamination strips
5.1 Specified complete shapes
5.1.1 Lamination outline shapes
5.1.2 Specified shape with lamination strips
5.2 Lamination strips for specified shapes
5.2.1 Lamination strips for yokes
5.2.2 Lamination strips for limbs
5.3 Lamination strips for non-specified laminations
6 Packing and marking
7 Electrical tests
7.1 General
7.2 Core constants
7.3 Magnetic path length
7.4 Core cross-section
8 General conditions for electrical measurements
8.1 Atmospheric conditions
8.2 Test coils
8.3 Test cores
8.4 Harmonic content of the voltage
9 Measurements at high field strength
9.1 General
9.2 Measurement of power loss
9.2.1 Power loss for single-phase cores
9.2.2 Power loss for three-phase cores
9.3 Measurement of total apparent power
9.3.1 Total apparent power for single-phase cores
9.3.2 Total apparent power for three-phase cores
10 Measurements at low and medium field strength
10.1 General
10.2 Measurement of amplitude permeability
11 Preferred ranges of laminations
12 Dimensions and tolerances
12.1 Dimensions
12.2 Tolerances
12.3 Symmetry tolerances
13 Dimensions and effective parameters
13.1 General
13.2 Lamination strips Type YS
13.3 Laminations Type YEI 1
13.4 Laminations Type YUI 1
13.4.1 Lamination outline shapes Type YUI 1
13.4.2 Lamination strip shape Type YSUI 1
13.5 Lamination Types YUI 2
13.5.1 Lamination outline shape Type YUI 2
13.5.2 Lamination strip shape Type YSUI 2
13.6 Lamination Types YEx 2, YEE 2 and YEI 2
13.7 Lamination Types YEE 2-..L
13.8 Lamination Types YEx 3, YEE 3, YEF 3,
YEI 3 and YEL 3
13.9 Lamination Types YEx 4, YEE 4 and YEF 4
13.10 Laminations Type YM 1
14 Electrical characteristics for materials
15 Specific total apparent power for laminations
16 Specific power loss for laminations
17 Mechanical characteristics for laminations
17.1 General appearance and conditions
17.2 Cut and punch edge
17.3 Camber
17.4 Distortion
17.5 Bending
17.6 Insulation
17.7 Welding
Annex A (informative) Conversion of polarisation and field
strength into specific total apparent
power
A.1 Specific total apparent power from polarisation and
field strength
A.2 Equations for the curves of the magnetic materials
A.2.1 Specific reactive power
A.2.2 Specific reactive power of the material
A.2.3 Specific reactive power of the air gap
A.2.4 Specific power loss
A.2.5 Specific total apparent power
A.3 Constants for non-oriented silicon steel C 21
A.4 Specific reactive power and specific power loss for
non-oriented silicon steel C 21
A.4.1 Specific reactive power
A.4.2 Specific power loss
A.5 Constants for grain-oriented silicon steel C 22
A.6 Specific reactive power and specific power loss for
grain-oriented silicon steel C 22
A.6.1 Specific reactive power
A.6.2 Specific power loss
A.7 Influence of the shape on the electrical characteristics
for grain-oriented silicon steel C 22
Bibliography
Defines the characteristics of laminations normally used as cores for transformers and inductors
DevelopmentNote |
Supersedes DIN 41302, DIN 41302-1 and DIN 41302-2. (02/2006)
|
DocumentType |
Standard
|
Pages |
60
|
PublisherName |
German Institute for Standardisation (Deutsches Institut für Normung)
|
Status |
Current
|
Supersedes |
Standards | Relationship |
NF EN 60740-1 : 2006 | Identical |
BS EN 60740-1:2005 | Identical |
IEC 60740-1:2005 | Identical |
EN 60740-1:2005 | Identical |
NBN EN 60740-1 : 2007 | Identical |
I.S. EN 60740-1:2005 | Identical |
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