CN203521146U - A three-phase gas voltage transformer - Google Patents

Abstract

The utility model relates to a three-phase gas voltage transformer, especially SF6 gas voltage transformer belong to the mutual-inductor and make technical field. The technical scheme is as follows: the transformer comprises a transformer body (1), a tank body (2) and a basin-type insulator (3), wherein the transformer body consists of three single-phase voltage transformer bodies, and each single-phase voltage transformer body consists of a primary winding, a secondary winding, an iron core and a shielding piece; the central conductor of the basin-type insulator is connected with the primary winding in each single-phase voltage transformer body, and a tank body is arranged above the transformer body. A. B, C the three-phase arrangement assumes a relative position between the three phases of the high voltage shield A, B, C. The utility model discloses an actively the effect: the single-phase SF6 gas voltage transformer overcomes the defects that most of the traditional SF6 gas voltage transformers are single-phase, and the three-phase arrangement adopts the relative position of high-voltage shielding, and has the advantages of small volume, low cost and easy performance satisfaction.

Description

A three-phase gas voltage transformer

technical field

The utility model relates to a three-phase gas voltage transformer, in particular to an SF ₆ gas voltage transformer, and belongs to the technical field of transformer manufacturing.

Background technique

At present, most of the traditional SF ₆ gas voltage transformers are single-phase, even the three-phase integrated voltage transformers are of integral structure, generally large in size, high in cost, and difficult to satisfy in performance. How to realize the best three-phase arrangement, small size, low cost and high performance under the premise of three-phase integration has become a technical problem to be solved urgently in this field.

Utility model content

The purpose of the utility model is to provide a three-phase gas voltage transformer, which is small in size, low in cost and high in performance, and solves the above-mentioned problems in the background technology. the

The technical scheme of the utility model is: a three-phase gas voltage transformer, especially an SF ₆ gas voltage transformer, including a body, a tank body and a pot insulator, and the body is composed of three single-phase voltage transformers Each single-phase voltage transformer body is composed of primary winding, secondary winding, iron core and shield; the center conductor of the pot insulator is connected to the primary winding in each single-phase voltage transformer body , the top of the body is provided with a tank body.

The bodies of the three single-phase voltage transformers are three-phase gas voltage transformers A, B, and C respectively. relative position between them. the

The positive effect of the utility model is that most of the traditional SF ₆ gas voltage transformers are single-phase, and the three-phase arrangement adopts high-voltage shielding relative positions, which has the advantages of small size, low cost and easy performance.

Description of drawings

Fig. 1 is a schematic diagram of the internal structure of the utility model embodiment;

Fig. 2 is a schematic diagram of a three-phase arrangement structure of an embodiment of the utility model;

In the figure: body 1, tank body 2, pot insulator 3.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is further described through embodiment. the

A three-phase gas voltage transformer, comprising a body 1, a tank body 2 and a pot insulator 3, the body is composed of three single-phase voltage transformer bodies, each single-phase voltage transformer body It consists of a primary winding, a secondary winding, an iron core and a shield; the central conductor of the pot insulator is connected to the primary winding in each single-phase voltage transformer body, and a tank is arranged above the body. The bodies of the three single-phase voltage transformers are the three phases A, B, and C of the three-phase gas voltage transformer, and the arrangement of the three phases A, B, and C adopts high-voltage shielding of the three phases A, B, and C. relative position between them. the

Claims (2)

1. A three-phase gas voltage transformer, which is an SF ₆ gas voltage transformer, is characterized in that: it includes a body (1), a tank body (2) and a pot insulator (3), and the body consists of three Each single-phase voltage transformer body is composed of a primary winding, a secondary winding, an iron core and a shield; the center conductor of the pot insulator is connected to each single-phase voltage transformer The primary winding in the body is connected, and the tank body is arranged above the body. 2. A kind of three-phase gas voltage transformer according to claim 1, characterized in that: the three single-phase voltage transformer bodies are respectively A, B, and C of the three-phase gas voltage transformer. Phase, the arrangement of A, B, and C phases adopts high-voltage shielding of the relative positions between the three phases of A, B, and C.

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