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Mitered Laminations

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.

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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.

Technical 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

 

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