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Instrument transformer and method to isolate parts

A transformer and isolation material technology, which is applied in the direction of inductors, transformer/inductor parts, inductor/transformer/magnet manufacturing, etc., can solve the problems of complex shape of measurement components, difficult automation of binding process, and time-consuming problems , to achieve the effects of easy implementation, cost reduction and cost saving

Pending Publication Date: 2022-02-25
SIEMENS ENERGY GLOBAL GMBH CO & KG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The manual tying process takes a lot of time, is expensive due to labor costs and is subject to human error
Automation of the binding process is difficult and expensive due to the complex shape of the parts of the measuring assembly

Method used

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  • Instrument transformer and method to isolate parts
  • Instrument transformer and method to isolate parts
  • Instrument transformer and method to isolate parts

Examples

Experimental program
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Effect test

Embodiment Construction

[0025] exist figure 1 A transformer 1 for high current and / or high voltage switching is shown in cross-sectional view. The transformer 1 comprises a housing and at least one active part which is electrically insulated by an insulating material 9 . exist figure 1 In an embodiment of the present invention, the active part of the transformer 1 comprises, for example, a measuring assembly 11 with a winding arranged around an electrical conductor. Windings can be used to measure current in conductors through magnetic induction in the windings. Other active parts are, for example, control electrodes and / or discharge tubes.

[0026] The active parts, in particular the measuring assembly 11 , are located in the housing of the transformer 1 . The transformer 1 comprises, for example, a head 2, an insulator 3 and a base 4, which in particular consist of a head housing 12 with a bellows cover 6 including an oil level indicator 7, in particular an insulator 3 consisting of a hollow cy...

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PUM

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Abstract

The present invention relates to an instrument transformer (1) for high current and / or high voltage conversion, comprising a housing and at least an active part, which is electrically insulated by an isolation material. The isolation material comprises particles (14). A method for the instrument transformer (1) comprises the filling of a housing of the instrument transformer (1) with particles (14), particularly with particles (14) of paper material and / or cellulose, which were impregnated by an insulating fluid (10), particularly mineral oil and / or a synthetic oil, and / or ester, particularly vegetable esters.

Description

technical field [0001] The invention relates to a transformer and method for high current and / or high voltage switching, comprising a housing and at least one active part electrically insulated by an insulating material. Background technique [0002] An oil-insulated transformer or measuring transformer is known, for example, from US 5 391 835A. Transformers are used for measuring large currents and / or voltages, especially in the range up to several hundred amperes and / or up to 1200 kV. The transformer includes a housing and at least one active part including a measurement assembly. The measuring assembly comprises, for example, a winding arranged around an electrical conductor, which can be used to measure the current in the conductor by means of magnetic induction in the winding. The active part is electrically insulated from the housing of the transformer by the insulating material. The entire measurement assembly or parts of the measurement assembly are wrapped in kra...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01F27/32H01F38/20H01F41/00H01F41/12
CPCH01F27/327H01F27/324H01F38/20H01F41/005H01F41/127H01F41/125H01F38/26H01F38/30H01F38/36H01F27/02H01F27/321H01F41/12
Inventor F.内格里D.桑蒂内利
Owner SIEMENS ENERGY GLOBAL GMBH CO & KG
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