The core of the toroidal transformer is made of high quality cold rolled silicon steel sheet (sheet thickness is generally 0.35mm below), seamlessly rolled, which makes its core performance is better than the traditional laminated core. The coil of the toroidal transformer is evenly wound around the core, and the direction of the magnetic field generated by the coil is almost completely coincident with the core magnetic circuit, and the excitation energy and the core loss are reduced by 25% as compared with the laminar type, thereby bringing the following toroidal transformers series The advantages.
1 electric efficiency of high core without air gap, the stacking factor can be as high as 95% or more, the core permeability is desirable 1.5 ~ 1.8T (laminated core can only take 1.2 ~ 1.4T), electrical efficiency up to 95% The current is only 10% of the stack.
2 Small size, light weight toroidal transformer than the laminated transformer weight can be reduced by half, as long as the core to maintain the same cross-sectional area, the ring is easy to change the core length, width and height ratio, you can design to meet the required dimensions.
3 Magnetic interference Small toroidal transformer core without air gap of toroidal transformers manufacturer , winding evenly around the ring in the core, this structure led to a small magnetic leakage, electromagnetic radiation is also small, without additional shielding can be used with high sensitivity electronic equipment For example, on low-level amplifiers and medical devices.
4 vibration noise smaller core without air gap can reduce the noise of the core vibration, winding evenly wrap the ring core, effectively reduce the magnetostriction caused by the "buzzing" sound.
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