A high-power circular reactor and its manufacturing method

A circular, high-power technology, applied in the manufacture of inductors/transformers/magnets, transformer/inductor cores, circuits, etc., can solve problems such as difficult to meet application requirements, complex production process, and large iron core noise, and achieve The effect of saving equipment investment, simplifying the production process, and low eddy current loss

Active Publication Date: 2017-04-19
POCO HLDG CO LTD +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] In order to solve the technical problems of large iron core noise, large volume, complex production process and high cost in traditional reactors, especially the traditional reactors are difficult to meet the application requirements of large current (current greater than 100A) and high frequency (frequency higher than 5KHz). question

Method used

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  • A high-power circular reactor and its manufacturing method
  • A high-power circular reactor and its manufacturing method
  • A high-power circular reactor and its manufacturing method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] A high-power circular reactor, including a magnetic core 1 and a coil 2, the magnetic core 1 is a circular magnetic core formed by connecting two identical semicircular magnetic cores through glue, and the semicircular The cross section of the ring core is circular, the diameter of the ring core is 20 inches, and the magnet density of the ring core is 6.2g / cm 3 , the coil 2 is set on the two semi-circular magnetic cores, the coil 2 is a spiral enameled wire coil made of a flat wire vertically wound, and the semi-circular magnetic core is made of ferromagnetic powder and high temperature resin glue The composed magnetic composite material is made by pouring into a semi-circular mold.

[0038] The above-mentioned high-power annular reactor is manufactured by the following method, including the following steps:

[0039] 1) Use the automatic winding machine to vertically wind the flat wire into a spiral enameled wire coil

[0040] 2) Mix and stir epoxy silicone resin, mer...

Embodiment 2

[0045] A high-power circular reactor, including a magnetic core 1 and a coil 2, the magnetic core 1 is a circular magnetic core formed by connecting two identical semicircular magnetic cores through glue, and the semicircular The cross section of the ring core is circular, the diameter of the ring core is 15 inches, and the magnet density of the ring core is 5.9g / cm 3 , the coil 2 is set on the two semi-circular magnetic cores, the coil 2 is a spiral enameled wire coil made of a flat wire vertically wound, and the semi-circular magnetic core is made of ferromagnetic powder and high temperature resin glue The composed magnetic composite material is made by pouring into a semi-circular mold.

[0046] The above-mentioned high-power annular reactor is manufactured by the following method, including the following steps:

[0047]1) Use the automatic winding machine to vertically wind the flat wire into a spiral enameled wire coil

[0048] 2) Mix and stir epoxy silicone resin, merc...

Embodiment 3

[0053] A high-power circular reactor, including a magnetic core 1 and a coil 2, the magnetic core 1 is a circular magnetic core formed by connecting two identical semicircular magnetic cores through glue, and the semicircular The cross section of the ring core is circular, the diameter of the ring core is 7 inches, and the magnet density of the ring core is 5.5g / cm 3 , the coil 2 is set on the two semi-circular magnetic cores, the coil 2 is a spiral enameled wire coil made of a flat wire vertically wound, and the semi-circular magnetic core is made of ferromagnetic powder and high temperature resin glue The composed magnetic composite material is made by pouring into a semi-circular mold.

[0054] The above-mentioned high-power annular reactor is manufactured by the following method, including the following steps:

[0055] 1) Use the automatic winding machine to vertically wind the flat wire into a spiral enameled wire coil

[0056] 2) Mix and stir epoxy silicone resin, merc...

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Abstract

The invention discloses a novel circular-ring-shaped high-power electric reactor. The electric reactor comprises a magnetic core and a coil. The magnetic core is a circular-ring-shaped magnetic core formed by two identical semicircular-ring-shaped magnetic core bodies in a combined mode, the diameter of the circular-ring-shaped magnetic core ranges from 7 inches-20 inches, and the magnet density of the circular-ring-shaped magnetic core ranges from 5.5 g / cm<3> to 6.2 g / cm<3>. The two semicircular-ring-shaped magnetic core bodies are sleeved with the coil which is a spiral varnished wire coil formed by a flat wire in a vertical winding mode. The semicircular-ring-shaped magnetic core bodies are formed by pouring a magnetic composite material composed of ferromagnetic powder and high-temperature resin adhesive through a semicircular-ring-shaped mould. The electric reactor is simple in structure, low in production cost, light in weight, low in noise, low in loss, good in surface heat dissipation and long in service life; the process is simple, and automatic operation is easy to achieve; the utilization rate of the magnetic core is high, magnetic leakage is small, and the EMI effect is good.

Description

technical field [0001] The invention relates to the technical field of inductance components, in particular to a high-power annular reactor and a manufacturing method thereof. Background technique [0002] As a means of reactive power compensation, reactors are indispensable in power systems. The reactor is used to limit the current impact caused by the sudden change of the grid voltage and the operating process voltage, smooth the peak pulse contained in the power supply voltage, or smooth the voltage defect generated when the bridge rectifier circuit commutates, effectively protect the frequency converter and improve the power factor, it It can not only prevent the interference from the power grid, but also reduce the pollution to the power grid caused by the harmonic current generated by the rectifier unit. [0003] The manufacturing process of traditional silicon steel reactor is complicated and the production cost is high. Its manufacturing process mainly includes the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01F17/06H01F27/24H01F41/02H01F1/147
Inventor 郭雄志肖强阮佳林邱俊刘志达罗涛刘元来
Owner POCO HLDG CO LTD
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