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On-load tap changer

A technology of on-load tap changer and switch, which is applied in the direction of electric switch, power device inside the switch, electrical components, etc. It can solve problems such as error-prone, non-detected slip, inaccurate switch position display, etc., and achieve the effect of reducing costs

Active Publication Date: 2016-04-13
MASCHFAB REINHAUSEN GEBR SCHEUBECK GMBH & CO KG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] A disadvantage of the on-load tap-changer transmission with the display mechanism of the Chinese utility model document CN201167023Y is that the display mechanism registers the movement of the input shaft for pulling the accumulator
The pull-out on the input shaft is error-prone, since a possible slippage between the input shaft and the accumulator is not detected, so that the indication of the switching position is imprecise

Method used

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Examples

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Embodiment Construction

[0034] The same reference numerals are used for identical or identically acting elements of the invention. For the sake of clarity, only the reference numbers necessary to describe the corresponding figure are shown. The exemplary illustrated embodiments of the on-load tap changer according to the invention do not limit the scope of protection of the invention, which is defined by the claims.

[0035] figure 1 A perspective view of an on-load tap-changer in the form of a three-phase load selector 1 according to the invention is shown. The load selector 1 here comprises, as a drive, an electric motor 3 with a transmission 5 which pulls an energy store (not shown). If the energy store is fully pulled, ie tensioned, it trips, releases its energy abruptly and actuates the switching tube 15 . The rotary switching tube 15 is here rotatably arranged in the oil tank 18 so that different switching positions can be adjusted. The tank 18 is closed upwards with a cover 19 and also has...

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Abstract

The invention relates to an on-load tap-changer (1) having a switching tube (15), an energy accumulator (13) for adjusting a switch position of the switching tube (15), a detector (200) for detecting a switch position of the on-load tap-changer (1), and an on-load tap-changer mechanism (100). The switching tube (15) and the detector (200) are both mechanically coupled to the energy accumulator (13) via the on-load tap-changer mechanism (100).

Description

technical field [0001] The invention relates to an on-load tap changer. The on-load tap-changer according to the invention comprises a switching tube, an energy store for setting the switching position of the switching tube, a detector for detecting the switching position of the on-load tap-changer and an on-load tap-changer gear . The on-load tap-changer drive mechanically couples the energy accumulator to the switching tube. Background technique [0002] On-load tap changers ("on-load tap-changers" in English, abbreviated OLTC) are generally known and commonly used in the prior art. These on-load tap-changers are used for switching between different winding taps of tapped transformers without interruption. On-load tap-changers are divided into load selectors and load changeover switches with selectors. [0003] Both types of on-load tap-changers are actuated by a motor drive, preferably an electric motor, during switching. The output or input shaft of the drive elemen...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01H3/30H01H9/00H01H3/40H01H3/44
CPCH01H3/3052H01H3/40H01H3/44H01H9/0033
Inventor H·茨维格尔迈尔J·阿特曼施帕赫尔A·弗赖施伯格G·费利克斯伯格J·约布斯特
Owner MASCHFAB REINHAUSEN GEBR SCHEUBECK GMBH & CO KG