Low-loss transformer with balanced three-phase power supply

Abstract

The invention discloses a three-phase power supply balanced low-loss transformer which comprises a mounting frame, three coil barrels are arranged on the mounting frame and distributed in an equilateral triangle mode, each coil barrel comprises a primary coil and a secondary coil which are arranged in an inner and outer sleeving mode, an iron core of a rectangular structure is arranged between every two coil barrels, and the iron cores are connected with the primary coil and the secondary coil. The two sides of the same iron core penetrate through the centers of the two coil barrels, and the inclination of the matching surfaces of the two adjacent iron cores points to the center of the equilateral triangle formed by the three coil barrels. And meanwhile, compared with a traditional iron core, the magnetic flux provided by the iron core is greatly enhanced, and the magnetic leakage loss is reduced, so that the energy loss during transmission of the transformer can be reduced, and the balance of three-phase power supply can be powerfully ensured.

Description

technical field [0001] The invention discloses a low-loss transformer with balanced three-phase power supply, which belongs to the technical field of electric equipment. Background technique [0002] Transformer is a device that uses the principle of electromagnetic induction to change AC voltage. The main components are primary coil, secondary coil and iron core (magnetic core). The main functions are: voltage conversion, current conversion, impedance conversion, isolation, voltage stabilization (magnetic saturation transformer), etc. Transformers can be divided into: distribution transformers, power transformers, fully sealed transformers, combined transformers, dry-type transformers, oil-immersed transformers, single-phase transformers, electric furnace transformers, rectifier transformers, reactors, anti-interference transformers, lightning protection Transformers, box-type transformer test transformers, corner transformers, high-current transformers, excitation transfo...

AI Technical Summary

Problems solved by technology

Due to the limitation of the iron core structure of the existing transformer, the three-phase power supply is unbalanced, and the iron core adopts a spliced ​​and assembled structure, resulting in gaps between the iron yokes, so that high energy consumption areas will appear in the gaps. Thereby increasing the loss of the transformer in the process of power transmission

[0003] The patent with publication number CN102682988A discloses an amorphous alloy transformer core with a three-dimensional triangular structure. The excitation current is significantly reduced; the amorphous alloy transformer core with a three-dimensional triangular structure can have no joints at the iron yoke, and there is no high energy consumption area, which can give full play to the characteristics of high magnetic permeability of amorphous alloys, and the largest reduction factor The loss caused by the air gap formed at the seam, although the above-mentioned patent proposes a conception to solve the practical problems of existing transformers, it does not involve the installation and design of the three iron cores and the overall structure of the transformer, so it wants to produce There is still a gap in this type of transformer

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