Method for realizing iron core of low-loss distribution transformer
A technology for distribution transformers and implementation methods, applied in the direction of inductance/transformer/magnet manufacturing, transformer/inductor core, transformer/inductor coil/winding/connection, etc., which can solve load loss and cost increase, increase, No-load loss is not easy to meet the requirements and other problems, to achieve the effect of reducing load loss and manufacturing cost, and reducing winding resistance
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Embodiment 1
[0017] The transformer model is S11-30 / 10. The net cross section of the original iron core leg and iron yoke is 65.45 square centimeters, the diameter of the iron core leg is 98 mm, and the core loss is 106W.
[0018] This embodiment is changed to:
[0019] The net cross section of the core leg 3 is reduced to 63.05 square centimeters by reducing the diameter of the iron core leg 3, the net cross section of the iron yoke 1 is increased to 68.00 square centimeters, the diameter of the iron core leg 3 is reduced to 96 mm, and the core loss is still 106W. The net section of the iron yoke 1 is increased by increasing the height of the second stage 11 of the iron yoke 1 from 80 mm to 90 mm, the height of the third stage 12 from 70 mm to 90 mm, and the height of the fourth stage 13 from 60 mm to 70 mm. , The height of the fifth stage 14 is increased from 40mm to 50mm, see image 3 .
Embodiment 2
[0021] The transformer model is S11-50 / 10. The net cross section of the original iron core leg and iron yoke is 73.62 square centimeters, the diameter of the iron core leg is 103 mm, and the core loss is 138W.
[0022] This embodiment is changed to:
[0023] The net cross section of the core leg 3 is reduced to 71.05 square centimeters by reducing the diameter of the iron core leg 3, the net cross section of the iron yoke 1 is increased to 75.76 square centimeters, the diameter of the iron core leg 3 is reduced to 101 mm, and the core loss is 138W. The net section of the iron yoke 1 is increased by increasing the height of the second stage 11 of the iron yoke 1 from 90 mm to 95 mm, the height of the third stage 12 from 75 mm to 95 mm, and the height of the fourth stage 13 from 60 mm to 75 mm , The height of the fifth stage 14 is increased from 40mm to 60mm, see image 3 .
Embodiment 3
[0025] The transformer model is S11-80 / 10. The net cross-section of the original iron core leg and iron yoke is 97.73 square centimeters, the diameter of the iron core leg is 120 mm, and the core loss is 190W.
[0026] This embodiment is changed to:
[0027] The net cross section of the core leg 3 is reduced to 94.96 cm2 by reducing the diameter of the core leg 3, the net cross section of the iron yoke 1 is increased to 100.73 cm2, the diameter of the core leg is reduced to 118 mm, and the core loss is 190W. The net section of the iron yoke 1 is increased by increasing the height of the second stage 11 of the iron yoke 1 from 100 mm to 110 mm, the height of the third stage 12 from 90 mm to 110 mm, and the height of the fourth stage 13 from 70 mm to 90 mm , The height of the fifth level 14 is increased from 40mm to 70mm, see image 3 .
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