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Solderless series structure of capacitor core group of capacitor voltage transformer

A technology of voltage transformers and series structures, applied in the direction of inductors, voltage dividers, transformers, etc., can solve problems such as product quality defects, achieve the effects of avoiding quality defects, improving corresponding performance indicators, and simple connection

Inactive Publication Date: 2020-06-23
DALIAN NORTH INSTR TRANSFORMER GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The electrical connection between the components of the capacitive voltage divider core group of the traditional capacitive voltage transformer is usually connected by lead sheet soldering, which is easy to cause product quality defects due to manual welding

Method used

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  • Solderless series structure of capacitor core group of capacitor voltage transformer
  • Solderless series structure of capacitor core group of capacitor voltage transformer
  • Solderless series structure of capacitor core group of capacitor voltage transformer

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Embodiment Construction

[0017] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0018] Such as Figure 1~4 As shown, the present invention includes a core group component 3, an insulating gasket 1 and a lead piece 2, such as figure 1 As shown, one end of the core group component 3 in the length direction is provided with an insulating gasket 1 and a lead sheet 2, as shown in Figure 2~3 As shown, the core group component 3 includes a first layer assembly and a second layer assembly, and a capacitor paper 4 and the insulating liner 1 and a lead sheet 2 are arranged between the first layer assembly and the second layer assembly It is arranged on both sides of the insulating liner 1 and is separately arranged in the first layer assembly and the second layer assembly. The first layer assembly and the second layer assembly have the same structure, and both include the element plate 302 in the middle and the element plate 302 arranged on the ...

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Abstract

The invention relates to the field of capacitive voltage transformers, in particular to a solderless series structure of a capacitor core group of a capacitor voltage transformer. The structure comprises a core assembly element, an insulating gasket and lead sheets, the core assembly element comprises a first layer assembly and a second layer assembly. An insulating gasket and a lead sheet are ledout from one end of the core assembly element in the length direction; the insulating gasket is arranged between the first layer assembly and the second layer assembly, the two lead sheets are arranged on the two sides of the insulating gasket respectively and arranged in the first layer assembly and the second layer assembly respectively, and the lead sheets on the adjacent sides of the adjacentcore group elements are oppositely bent and are pressed and connected in series when the core group elements are connected in series. According to the invention, the core group elements are connectedin series by bending, pressing and fixedly connecting the lead sheets, so that the operation reliability of the capacitive voltage divider is ensured.

Description

technical field [0001] The invention relates to the field of capacitive voltage transformers, in particular to a non-welded series structure of capacitive core groups of capacitive voltage transformers. Background technique [0002] A capacitive voltage transformer (CVT) is a voltage transformer composed of a capacitive voltage divider and an electromagnetic unit. During normal operation, the secondary voltage of the electromagnetic unit is basically equal to the primary voltage applied to the capacitive voltage divider. Proportional, and the phase difference is close to zero, with the function of grounding voltage transformer. The capacitive voltage divider core group of the capacitive voltage transformer is composed of the main capacitor C1 and the voltage dividing capacitor C2 in series, which uses the voltage dividing capacitor C2 to obtain an intermediate voltage, and then measures it on the secondary side through an intermediate transformer and in the auxiliary seconda...

Claims

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Application Information

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IPC IPC(8): G01R15/06H01F38/26
CPCG01R15/06H01F38/26
Inventor 李涛昌牟庆飞赵国庆夏君宇魏朝晖哈元亮于治平张俊伟张长江孙玉龙李冰
Owner DALIAN NORTH INSTR TRANSFORMER GROUP