Characteristics of Toroidal Transformer - Ningbo Wanji Electronics Science & Technology Co., Ltd.

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Characteristics of Toroidal Transformer

Toroidal transformer core is made of good quality cold-rolled silicon steel (0.35mm thickness in general), seamlessly rolled together, which makes its iron core superior to the conventional core lamination core. Toroidal transformer's coils uniformly wind around thetoroidal core. the coil The direction of magnetic lines caused by coils almost completely overlap with the core magnetic circuit.Compared with the laminated, stimulating energy and iron toroidal core loss will be reduced 25%, resulting the following advantages.

1. High electric power efficiency, no air gap of the core. The overstow coefficient could reach over 95%, and the core permeability can be preferable 1.5 ~ 1.8T (Lamination Core can only take 1.2 ~ 1.4T), power efficiency is up to 95%, and no-load current is only of the laminated's 10%.

2. Small size, light weight than the laminated transformer, so the toroidal transformer can reduce half of weight. The only thing need to be done is to keep the core cross-sectional area equal. The toroidal transformer is easy to change the ratio of length, width, height.

3. Toroidal core have no air gap, which leads to less magnetic loss and less electromagnetic radiation. The toroidal transformer can be used in highly sensitive electronic devices without additional shielding.

4. Less vibration noise. No air gap of the toroidal transformer core can reduce e vibration noise.

5. Less iron loss leads to lower core raising temperature and low operating temperature, Winding on the toroidal core at a lower temperature heat makes good heat dissipation. So toroidal transformer enjoys low temperature-rising.

6. Toroidal transformer has only one mounting screw in the center. So it’s very easy for people to install or dismantle in the electric devices.

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