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24-pulse wave rectifier transformer with continuous voltage regulation

A rectifier transformer and 24-pulse technology, applied in the field of transformers, can solve the problems of large one-time investment, large floor space, high manufacturing and use costs, and achieve stable equipment operation, small one-time investment, manufacturing and use. low cost effect

Pending Publication Date: 2019-09-06
BAODING TIANWEI GRP JIANGSU WUZHOU TRANSFORMER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing 24-pulse rectifier transformer is composed of multiple rectifier transformers connected in parallel, which has the disadvantages of large floor space, high manufacturing and use costs, and large one-time investment.

Method used

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  • 24-pulse wave rectifier transformer with continuous voltage regulation
  • 24-pulse wave rectifier transformer with continuous voltage regulation
  • 24-pulse wave rectifier transformer with continuous voltage regulation

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specific Embodiment 1

[0027] Such as figure 1 , figure 2 , image 3 , Figure 4 , Figure 5 As shown, the described continuous voltage regulation twenty-four-pulse rectifier transformer includes: a voltage regulation side transformer 2, a rectification side transformer 3 and an on-load tap changer 4 arranged in the casing 1, and the voltage regulation side transformer 2. It is composed of a continuous self-coupling voltage-regulating transformer with an independent magnetic circuit, and the continuous self-coupling voltage-regulating transformer includes a self-coupling transformer stable winding 21, a self-coupling transformer basic winding 22, and a self-coupling transformer voltage-regulating winding 23; The rectifier side transformer 3 is composed of two conjugate rectifier transformers with two independent magnetic circuits, each conjugate rectifier transformer realizes 12 pulses, and each conjugate rectifier transformer includes a phase-shifting winding 31, a basic winding 32, and Low-vo...

specific Embodiment 2

[0029] Such as Figure 6 , Figure 7 , Figure 8 , Figure 9 , Figure 10 As shown, the described continuous voltage regulation twenty-four-pulse rectifier transformer includes: a voltage regulation side transformer 2, a rectification side transformer 3 and an on-load tap changer 4 arranged in the casing 1, and the voltage regulation side transformer 2. It is composed of a continuous self-coupling voltage-regulating transformer with an independent magnetic circuit, and the continuous self-coupling voltage-regulating transformer includes a self-coupling transformer stable winding 21, a self-coupling transformer basic winding 22, and a self-coupling transformer voltage-regulating winding 23; The rectifier-side transformer 3 is composed of two double-split rectifier transformers with independent magnetic circuits. Each double-split rectifier transformer achieves 12 pulses. Each double-split rectifier transformer includes a phase-shifting winding 31, a basic winding 32, and a l...

specific Embodiment 3

[0031] Such as Figure 11 , Figure 12 , Figure 13 , Figure 14 , Figure 15 As shown, the described continuous voltage regulation twenty-four-pulse rectifier transformer includes: a voltage regulation side transformer 2, a rectification side transformer 3 and an on-load tap changer 4 arranged in the casing 1, and the voltage regulation side transformer 2. It is composed of a continuous self-coupling voltage-regulating transformer with an independent magnetic circuit, and the continuous self-coupling voltage-regulating transformer includes a self-coupling transformer stable winding 21, a self-coupling transformer basic winding 22, and a self-coupling transformer voltage-regulating winding 23; The rectifier side transformer 3 is composed of two rectifier transformers with independent magnetic circuits, and the low-voltage windings of each rectifier transformer are arranged in an axial y and d connection to achieve 12 pulse waves; each rectifier transformer includes a phase-...

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Abstract

The invention discloses a 24-pulse wave rectifier transformer with continuous voltage regulation. The 24-pulse wave rectifier transformer comprises a voltage regulation side transformer, a rectifier side transformer and an on-load voltage regulation switch which are arranged in a case. The voltage regulation side transformer is composed of a continuous self-coupled voltage regulation transformer with an independent magnetic circuit. The continuous self-coupled voltage regulation transformer comprises a self-coupled transformer stable winding, a self-coupled transformer basic winding and a self-coupled transformer voltage regulation winding. The rectifier side transformer is composed of two rectifier transformers with an independent magnetic circuit. Each rectifier transformer realizes 12 pulses. Each rectifier transformer comprises a phase shifting winding, a basic winding and a low voltage winding. According to the continuous self-coupled voltage regulation transformer, the power is supplied to two rectifier transformers through the on-load voltage regulation switch. The 24-pulse wave rectifier transformer with continuous voltage regulation has the advantages of low ground occupation, low manufacturing and use cost, low one-time investment and high product competitiveness.

Description

technical field [0001] The invention relates to the technical field of transformers, in particular to a continuous voltage regulation twenty-four-pulse rectifier transformer. Background technique [0002] The rectifier transformer is the power transformer of the rectifier device. The characteristic of the rectifier device is that the primary side inputs AC, and the secondary side outputs DC after passing through the rectification element. A transformer used as a rectifier power supply is called a rectifier transformer. Most of the rectified DC power supplies used in industry are obtained from the AC grid through rectifier transformers and rectifier equipment. When the rectifier transformer runs through the rectifier, due to the unidirectional conduction of the rectifier element, the rectifier transformer’s alternating magnetic field waveform is distorted. Even if the power supply grid is an ideal sine wave, the current drawn by the rectifier from the alternating grid is not...

Claims

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Application Information

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IPC IPC(8): H01F29/04H01F30/02
CPCH01F29/04H01F30/02
Inventor 胡明方
Owner BAODING TIANWEI GRP JIANGSU WUZHOU TRANSFORMER
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