India
The half a century experience that we have under our belt gives us the right kind of expertise to manufacture mitred transformer lamination in a range between 5 KVA to 5000 KVA designed according to client requirements. Our mitered laminations for power and distribution transformers are fabricated using CRGO electrical steel in Grades M3(0.23), M4(0.27), M5(0.30), M6(0.35) . This mitered lamination can be obtained in multiple specifications.
| Typical Mechanical Properties and Laminations Factors | ||||||||||
| Thickness mm (in.) |
Grade | Assumed Density Kg/dm3 |
Resistivity o-m (x10-8) |
Core loss Watts per kilogram |
||||||
| 50 Hz | 60 Hz | |||||||||
| 1.5T 1.7T | 1.5T 1.7T | |||||||||
| 0.23 (0.009) |
M-1 M-2 |
7.65 | 50 50 |
0.73 1.08 0.93 1.37 0.76 1.12 0.97 1.43 |
||||||
| 0.27 (0.0106) |
M-3 M-4 |
7.65 | 48 48 |
0.80 1.17 1.04 1.50 0.83 1.22 1.08 1.59 |
Non-Oriented Electrical Steel Sheets | |||||
| 0.30 (0.0118) |
M-5 | 7.65 | 48 48 |
0.89 1.29 1.17 1.68 | Cold Rolled Non-Oriented Steel | |||||
| 0.30 (0.0118) |
M-5 | 7.65 | 48 48 |
1.01 1.46 1.32 1.90 | Grade and Specifications | |||||
| Grade | Thickness Mm (in.) |
Assumed Density Kg/dm3 |
Maximum Core Loss Watt/Kg At 50 Hz & 1.5T |
Minimum Magnetic flux density at 5000 A/mT |
Minimum Lamination@ Factor % |
|||||
| *M-22 M-27 M-36 |
0.35 (0.0138) |
7.70 7.70 7.70 |
2.93 3.13 3.31 |
1.60 1.60 1.60 |
95 | |||||
| M-22 M-27 M-36 M-43 M-45 M-47A |
0.50 (0.0197) |
7.70 7.70 7.70 7.70 7.75 7.75 |
3.22 3.21 3.57 4.01 5.31 6.98 |
1.60 1.60 1.60 1.61 1.62 1.64 |
96 | |||||
| M-36 M-46 M-45 |
0.65 (0.0256) |
7.70 7.70 7.75 |
4.18 4.70 6.27 |
1.60 1.61 1.63 |
96.5 | |||||
For close to half a century we have been offering our wide based clientele a high quality range of Transformer Laminations in CRGO and CRNGO in such varieties as Transformer Mitered Laminations and Toroidal Coil.
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