行业新闻
Transformer cores | The main structure of three-phase transformer - iron core, coil
Transformer cores The three-phase transformer uses the principle of electromagnetic induction to exchange electricity and magnetism. Its main structure is a coil and an iron core. Generally, the high and low voltage windings of each phase are wound on the same iron core column and pass through the same magnetic flux. The high and low voltage windings of the three-phase transformer have star and delta connections, w
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Transformer core classification
Transformer core When making any transformer, manufacturers try to achieve maximum magnetic coupling between the two inductors. The magnetic coupling can be increased many times by using ferromagnetic material or iron powder as the magnetic core. A pair of inductors wrapped around a ferromagnetic core has a better coupling coefficient than an air-core transformer. However, the use of ferromagnetic cores has its own
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Nanocrystalline cores | Nanocrystalline materials create more possibilities for emerging markets
Nanocrystalline cores With the continuous development and development of emerging application markets such as 5G, new energy vehicles, photovoltaic energy storage, and smart cities, the requirements for power devices are also sharply deepening. The frequently rejected power devices make device companies sigh. Compared with traditional magnetic powder cores, amorphous and nanocrystalline magnetic powder cores have ex
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Amorphous powder core | Amorphous magnetic powder cores drive industry innovation
Amorphous powder core With the continuous advancement of electronic power and information industry technology, the requirements for electronic and communication equipment and their components are constantly developing in the direction of miniaturization, high frequency and high current. The magnetic powder core is a composite soft magnetic material made by mixing ferromagnetic powder and insulating adhesive. D
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Characteristics of Nanocrystalline Materials
1. High magnetic induction: the saturation magnetic induction Bs=1.2T, which is twice that of permalloy and 2.5 times that of ferrite. The power density of the iron core is large, which can reach 15 kW to 20 kW/kg. 2. High permeability: The initial static permeability μ0 can be as high as 120,000 to 140,000, which is equivalent to permalloy. The magnetic permeability of the iron core of the power transformer is
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