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Voltage regulation tap switch and usage method of voltage regulation tap switch

A technology of tap changer and switch, applied in the field of electric power, can solve the problem that the on-load tap changer is easily damaged by impact, and achieve the effects of no operating overvoltage, avoiding damage, and no inrush current.

Active Publication Date: 2018-07-27
STATE GRID BEIJING ELECTRIC POWER +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The embodiment of the present invention provides a voltage regulating tap changer and a method for using the switch, so as to at least solve the problem that the on-load tap changer in the related art is easily damaged by impact

Method used

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  • Voltage regulation tap switch and usage method of voltage regulation tap switch
  • Voltage regulation tap switch and usage method of voltage regulation tap switch
  • Voltage regulation tap switch and usage method of voltage regulation tap switch

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Embodiment 1

[0027] An embodiment of the present invention provides a voltage regulating tap changer to at least solve the problem that the on-load tap changer in the related art is easily damaged by impact.

[0028] figure 1 It is a schematic diagram of a voltage regulating tap changer according to an embodiment of the present invention, such as figure 1 As shown, the voltage regulating tap changer includes: a thyristor and a magnetic latching switch; the magnetic latching switch is connected to the thyristor.

[0029] Through the present invention, the thyristor is used in the voltage regulating tap-changer, the thyristor is connected to the magnetic latching switch, and the voltage regulating tap-changer composed of the thyristor solves the problem that the on-load tap-changer is easily damaged by impact in the related art, avoiding Damage to the thyristor, and at the same time, during the voltage regulation switching process, there is no inrush current and no operating overvoltage.

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PUM

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Abstract

The invention provides a voltage regulation tap switch and a usage method of the voltage regulation tap switch. According to the invention, in the voltage regulation tap switch, a thyristor is connected to a magnetic latching switch. By means of the voltage regulation tap switch provided with the thyristor, the problem that in the related art, an on-load tap switch is prone to being impacted and damaged is solved. The damage to the thyristor is avoided. Meanwhile, in the voltage regulation switching process, no inrush current is generated, and the operation overvoltage is avoided.

Description

technical field [0001] The invention relates to the field of electric power, in particular to a voltage regulating tap changer and a method for using the switch. Background technique [0002] In the related art, an on-load tap changer is a switching device that provides a constant voltage for a transformer when the load changes. The basic principle is to realize the switch between the taps in the transformer winding without interrupting the load current, thereby changing the number of turns of the winding, that is, the voltage ratio of the transformer, and finally realizing the purpose of voltage regulation, among which the on-load tap The switch is its most critical and expensive component. The on-load tap-changer has roughly gone through the following three stages: [0003] First generation technology, on-load tap-changer with copper-tungsten or vacuum contacts. As early as 1920, General Electric Company of the United States first produced a reactive on-load tap changer...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/042H01F29/04
CPCG05B19/0423G05B2219/24215H01F29/04
Inventor 李洪涛张淼饶强郝良迟忠君宋一凡于浩然
Owner STATE GRID BEIJING ELECTRIC POWER
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