JPS58141515A - Electromagnetic induction apparatus - Google Patents

Abstract

PURPOSE:To obtain small size and light weight apparatus with reduced stray loss by hermetically sealing a coil with insulating case and filling an insulating medium therein. CONSTITUTION:A transformer coil 1 consisting of an integrated annular high voltage and low voltage sub-coils is hermetically sealed and an insulating oil or insulating medium consisting of insulating gas is filled within an insulating case 2 having a window 2a. The terminals 3a, 3b of the coil 1 are deposited on the case 2. The connecting ports 4a, 4b connected to a cooling unit or conservator are used for exhaustion to vacuum condition during manufacture. An injection port 5 used for injection of insulating medium upon completion of exhaustion to vacuum condition or during exhaustion and an iron core 6 are forming a magnetic circuit which passes through the window 2a of case 2 and crosses the coil 1. The iron core 6 is formed by winding a taped thin magnetic material, for example, amorphous magnetic material having rigid and flexible characteristic for the desired number of turns or replaced by an ordinary stacked iron core consisting of silicon steel plate.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a transformer or accelerator 1 (any electromagnetic induction equipment).

Conventionally, electromagnetic induction devices such as transformers and accelerators that are insulated with oil or gas are made by winding a coil around an iron core and storing it in a metal container, and filling the container with insulating gas. F, latitude and cooling.

The disadvantage of such a structure is that since the container is large in size, the weight of the container itself becomes large, and the amount of insulating oil or gas is also increased.

In the case of electricity, 1 magnetic flux is 1 piece of gold.
Since one container made of No. 4 was passed through, there was a drawback that stray loss increased.

In view of the above, this invention was developed by sealing the coil with an insulating container, enclosing the coil, and filling the container with a fluid insulating medium. The following figure provides an electromagnetic induction device that can reduce losses. C1+1 in Figure 1)
The high-pressure and low-pressure parts are assembled in an annular shape.
The transformer coil (2) is an insulating container that seals the coil (1) and has a window (2a), and is made of insulating oil or gas. Border media is included. (8a) (
Flb) is a terminal of the coil (1), which is fixed to the container (2).

(4a) and (4b) are connection ports connected to a cooler (not shown) or a conservator (not shown), from which vacuum is drawn during manufacture. (5) is the injection port where the insulating medium is injected from the rt, 'r when the vacuum inside the container (2) is completed, or while the vacuum is being drawn (7), (6) is the iron core, and ) are interlinked with the coil (1) to form a magnetic circuit.The iron core (6) is made of a strong and flexible tape-shaped thin magnetic material, such as amorphous 6. It is possible to use a core made of a single material wound a predetermined number of times, or a laminated core made of general silicon steel sheets.

Although the above embodiments have been described with reference to a liquid transformer, they can also be used with reactors and other equipment as long as they are a combination of an iron core and a coil.

According to this invention, the coil is sealed in an insulating container.
By enclosing the inner edge medium in the valley container, C1 can be made smaller and lighter, and stray loss can be reduced.

[Brief explanation of drawings]

FIG. 1 is a perspective view showing one embodiment of this lighting system, and FIG. 2 is a perspective view showing a partially cut away main part of FIG. 1. In the figure, r, t1) is a coil, (2) is a container, and (6) is an iron core. Note that the same reference numerals in each figure indicate the same or equivalent parts. ((1 person lj! J, R letter - Figure 1 Figure 2

Claims (1)

[Claims] (1) Between the iron core and the above coil? An electromagnetic induction device characterized in that the insulating member comprises an insulating container in which a coil is sealed and a fluid insulating medium sealed in the container.