Our quality conscious clients are highly satisfied with Toroidal CRGO Transformers Core that is made in round or rectangular shapes. These Toroidal CRGO Transformer Core are fabricated from CRGO Steel are highly applicable in current and potential transformers. Toroidal cores are manufactured from the best quality CRGO steel and are d annealed in a pit furnace to 820 degree C for full cycle of hours. We offer these cores in varied designs an dimensions to address the core requirements of our varied client base.
Product Specifications: | ||||||||||
Strips/Mitered | As per customers drawing | |||||||||
Special Laminations | CVT Core, 3 Phase core, UI core | |||||||||
CRGO Laminations | Grade M2, M3, M4, M5 & M6 Min. Watt loss 0.55 to max watt loss 1.01 |
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Typical Mechanical Properties and Laminations Factors | ||||||||||
Thickness mm (in.) |
Grade | Assumed Density Kg/dm3 |
Resistivity o-m (x10-8) |
Core loss Watts per kilogram |
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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 |
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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 % |
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*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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