What are the requirements for silicon steel sheet materials in transformers?
What are the requirements for silicon steel sheet materials in transformers?
Silicon steel sheet is a soft magnetic alloy of silicon iron with extremely low carbon content, generally with a silicon content of 0.5-4.5%. Adding silicon can increase the electrical resistivity and magnetic permeability of iron, reduce coercivity, iron core loss (iron loss), and magnetic aging. In transformer manufacturing, silicon steel sheet material is a very important material, mainly used to make iron cores for various transformers, motors, and generators. So, what are the requirements for silicon steel sheet materials in transformers?
The requirements for the performance of silicon steel in transformers are as follows:
1. Low iron loss is an important indicator of the quality of silicon steel sheets. Each country classifies grades based on iron loss values, with lower iron losses indicating higher grades.
2. Under strong magnetic fields, the magnetic induction intensity (magnetization) is high, which reduces the volume and weight of the iron core of motors and transformers, saving silicon steel sheets, copper wires, and insulation materials.
3. Smooth, flat, and uniformly thick surface can improve the filling coefficient of the iron core.
4. Good punching performance is more important for manufacturing micro and small electric motors.
5. The adhesion and weldability of the surface insulation film are good, which can prevent corrosion and improve the punching performance.
6. Basically non-magnetic aging.
For more knowledge about transformers, please follow Xuzhou Hengxia Electrical Equipment Co., Ltd. Xuzhou Hengxia Electric is a professional electrical equipment manufacturing enterprise that produces and sells low-voltage distribution cabinets, capacitor compensation cabinets, high-voltage switchgear, vacuum circuit breakers, transformers and other distribution equipment. It undertakes the installation, commissioning, testing, maintenance of 35KV and below power transformation and distribution projects, as well as transmission and transformation line installation projects. It widely serves industries such as power, metallurgy, coal mining, petrochemicals, textiles, machinery, construction, and scientific research.
Article source: Transformer silicon steel sheethttp://www.cheungshun.com
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