Crgo 3D Core

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Optimization of Magnetic Circuit

  • No joint between the 3D volume core layers, uniform magnetic circuit distribution, no obvious high-resistance area, no distortion of joint magnetic flux density.
  • The direction of magnetic flux is completely consistent with the orientation of silicon steel sheet.
  • The length of three-phase magnetic circuit is exactly the same and the shortest.
  • Three-phase magnetic circuit is fully symmetrical, and three-phase current is completely balanced.

Low Loss, Remarkable Energy Saving

1. The magnetization direction of 3D rolled core is fully consistent with silicon steel sheet rolling direction, with uniform magnetic flux distribution, no high-resistance area, no obvious joint distortion. Core loss can be reduced by 10-20% compared with laminated core.

2. Special 3D structure reduces core yoke material by 25% vs traditional laminated core.

3. High-temperature nitrogen vacuum annealing eliminates mechanical stress and refines magnetic domain, greatly improving silicon steel performance.

4. Test reports show no-load loss is 25-35% lower than national standard, max no-load current reduced by up to 92%.

Low Noise

Noise mainly comes from core vibration caused by magnetic expansion, lamination electromagnetic attraction, or high magnetic density saturation.

3D rolled core adopts continuous seamless silicon steel strip, eliminating laminated core noise. Three-phase magnetic circuit and flux are fully symmetrical with reasonable magnetic density design, greatly reducing noise.

SCB10-RL-2000/10 series type test noise level: only 41dB, 25dB lower than national standard 66dB, ideal for indoor & residential areas.

High Overload Ability

1. Ultra-low heat generation: extremely low no-load loss and no-load current ensure low heat.

2. Three-phase coils form a delta chimney-shaped air duct with 30-40℃ temperature difference, creating strong natural ventilation. Cold air enters from bottom and heat dissipates from upper iron yoke.

Compact Structure, Small Footprint

Special 3D core design provides compact structure and reasonable layout. Transformer body volume is 10-15% smaller, height 10-20% lower than traditional products. The substation box size can be reduced by nearly 1/4.