3PEI 40 3 Phase Ei Lamination Core EI200 Silicon Steel Crgo Transformer Lamination
The efficiency of a simple transformer construction can be improved by bringing the two windings within close contact with each other thereby improving the magnetic coupling. Increasing and concentrating the magnetic circuit around the coils may improve the magnetic coupling between the two windings, but it also has the effect of increasing the magnetic losses of the transformer core.
As well as providing a low reluctance path for the magnetic field, the core is designed to prevent circulating electric currents within the iron core itself. Circulating currents, called “eddy currents”, cause heating and energy losses within the core decreasing the transformers efficiency.
These losses are due mainly to voltages induced in the iron circuit, which is constantly being subjected to the alternating magnetic fields setup by the external sinusoidal supply voltage. One way to reduce these unwanted power losses is to construct the transformer core from thin steel laminations.
| TYPE | a | b | c | d | e | holes | aperture |
| EI_28 | 28 | 4 | 6 | 8 | 17 | ||
| EI_35 | 35 | 5 | 7.5 | 10 | 19.5 | ||
| EI_41 | 41 | 6 | 8 | 13 | 21 | ||
| EI_42 | 42 | 7 | 7 | 7 | 14 | ||
| EI_48 | 48 | 8 | 8 | 16 | 24 | ||
| EI_50 | 50 | 8 | 9 | 16 | 25.5 | ||
| EI_57 | 57 | 9.5 | 9.5 | 19 | 28.5 | 4 | 4 |
| EI_60 | 60 | 10 | 10 | 20 | 30 | 4 | 5 |
| EI_66 | 66 | 11 | 11 | 22 | 33 | 4 | 4 |
| EI_76.2 | 76.2 | 12.7 | 12.7 | 25.4 | 38.1 | 4 | 5 |
| EI_78 | 78 | 13 | 13 | 26 | 39 | 4 | 5 |
| EI_84 | 84 | 14 | 14 | 28 | 41 | 4 | 6 |
| EI_85.8 | 85.8 | 14.3 | 14.3 | 28.6 | 42.9 | 4 | 5 |
| EI_96 | 96 | 16 | 16 | 32 | 48 | 4 | 6 |
| EI_105 | 105 | 17.5 | 17.5 | 35 | 52.5 | 4 | 6 |
| EI_108 | 108 | 18 | 18 | 36 | 54 | 4 | 5.5 |
| EI_114 | 114 | 19 | 19 | 38 | 57 | 4 | 6 |
| EI_120 | 120 | 20 | 20 | 40 | 60 | 4 | 7 |
| EI_133.2 | 133.2 | 22.2 | 22.2 | 44.4 | 66.6 | 4 | 7 |
| EI_150 | 150 | 25 | 25 | 50 | 75 | 4 | 8 |
| EI_152.4 | 152.4 | 25.4 | 25.4 | 50.8 | 76.2 | 4 | 8 |
| EI_162 | 162 | 27 | 27 | 54 | 81 | 4 | 10 |
| EI_168 | 168 | 28 | 28 | 50 | 84 | 4 | 10 |
| EI_171 | 171 | 28.5 | 28.5 | 57 | 85.5 | 4 | 10 |
| EI_180 | 180 | 30 | 30 | 60 | 90 | 4 | 10 |
| EI_192 | 192 | 32 | 32 | 64 | 96 | 4 | 10 |
Catalog:
FAQ:
1. Q: Can I get some samples?
A: Yes, sample order is available for quality checking and market test.
2. Q: What's the delivery time?
A: Sample order needs 2-3 days. Formal order needs 8-15 days.
3. Q: What's your payment terms?
A: We usually accept T/T at sight as the main payment terms, and other payment can also be negotiated.
4. Q: Do you have the prodcts in stock?
A: Yes, we will keep some general ones in stock.
5. Q: Can I mix different models in one container?
A: Yes, different models can be mixed up.
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