BS EN 60740 discusses laminations for transformers and inductors.
BS EN 60740-1 is the first part of the BS EN 60740 multi-series and discusses mechanical and electrical characteristics.
BS EN 60740-1 is a part of IEC 60740 that specifies the characteristics of laminations. Their preferred use is cored for transformers and inductors. The laminations are made of sheets and strips of magnetic materials, specified in IEC 60404-8-4 and IEC 60404-8-7.
Note: For lamination strip shapes Type YSUI 2, the coil formers IEC 61797-1, Type YUI 1, may be used.
BS EN 60740-1 on laminations for transformers and inductors is useful for:
Lamination reduces energy loss. The safety of electronic appliances during manufacturing is important. Using laminations in a transformer construction reduces eddy current losses. A laminated core has advantages such as low loss, high permeability, and high saturation flux density.
BS EN 60740-1 provides you guidance on the material and lamination thickness. BS EN 60740-1 provides you with the designation of laminations and laminations strips. BS EN 60740-1 gives you guidance on the packing and marking for laminations.
BS EN 60740-1 provides you with an electrical test to assess the lamination. BS EN 60740-1 also provides you with the dimensions and tolerance of laminations. BS EN 60740-1 also provides mechanical characteristics of laminations.
BS EN 60740-1 helps you manufacture high-quality laminations for transformers and inductors.
EN 60740-1:2005
IEC 60740-1:2005
IEC 60793-1-47:2009