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Intelligent three-phase oil-immerse power distribution transformer

A distribution transformer, oil-immersed technology, applied in the field of transformers, can solve the problems of complex mechanism, high sealing performance requirements, difficult to achieve, etc., and achieve the effect of increasing the volume

Inactive Publication Date: 2017-05-24
江苏凡高电气有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the spiral pipe used for heat exchange in this technical solution is placed inside the transformer oil tank, and its mechanism is complicated and difficult to realize. Explosive substances, if the sealing measures are not done well, there will be potential safety hazards

Method used

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Embodiment 1

[0030] Figure 1 to Figure 4 It schematically shows an intelligent three-phase oil-immersed distribution transformer according to the first embodiment of the present invention.

[0031] Such as figure 1 As shown, the present invention discloses an intelligent three-phase oil-immersed distribution transformer, including an oil tank 1, which is equipped with a transformer core, and at the same time, the oil tank 1 is filled with high-temperature resistant insulating oil. In this embodiment of the present invention, The high-temperature resistant insulating oil is β liquid, and silicone oil FR3 natural ester can also be used in practical applications. The transformer core is immersed in high temperature resistant insulating oil.

[0032] Such as Figure 1 to Figure 4 As shown, preferably, in this embodiment of the present invention, the oil tank 1 adopts a corrugated oil tank, such as image 3 As shown, the oil tank 1 is a hollow cuboid cavity 10 with an upper opening, and th...

Embodiment 2

[0041] Figure 1 to Figure 6 It schematically shows that an intelligent three-phase oil-immersed distribution transformer is provided according to the second embodiment of the present invention.

[0042] Such as Figure 1 to Figure 4 As shown, the second embodiment of the present invention discloses an intelligent three-phase oil-immersed distribution transformer which is basically the same as that of Embodiment 1, except that:

[0043] Such as figure 2 , image 3 , Figure 5 and Figure 6 As shown, as another invention point of the present invention, in this embodiment of the present invention, a control system for controlling the fuel tank in the fuel tank 1 is included, the control system includes a liquid level sensor 28 fixed on the inner wall of the fuel tank 1, and A controller 27 above the cover 2, and the liquid level sensor 28 is connected with the controller 27. Such as figure 2 As shown, the liquid level sensor 28 is fixed on the upper end of one side of t...

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Abstract

The invention provides an intelligent three-phase oil-immerse power distribution transformer. The transformer comprises a transformer body. The transformer body comprises an oil tank which is filled with high temperature resistant insulation oil. A transformer core body is arranged in the oil tank, and is immersed in the high temperature resistant insulation oil, wherein one side of the oil tank is provided with an auxiliary oil tank which is filled with the high temperature resistant insulation oil. The auxiliary oil tank is communicated with the oil tank. A check valve is arranged between the auxiliary oil tank and the oil tank. According to the intelligent three-phase oil-immerse power distribution transformer, when the liquid level of the high temperature insulation oil drops to the water level at the lowermost side position of the hydraulic sensor, a level sensor sends a signal to a controller which receives the signal sent by the level sensor and controls the check valve to open and control the oil pump to open at the same time to extract the spare oil in the auxiliary oil tank. The high temperature insulation oil is supplemented into the oil tank through an oil inlet to prevent the winding from being exposed out of the oil surface and prevent the turn-to-turn short circuit caused therefrom.

Description

technical field [0001] The invention relates to the technical field of transformers, in particular to an intelligent three-phase oil-immersed distribution transformer that improves heat dissipation performance and can automatically detect oil level and refuel automatically. Background technique [0002] Transformer is an important equipment in power generation, power supply and power consumption enterprises. It is also in a very critical position in the power grid. It is an important device to ensure the safe and reliable operation of the power grid and the electrodes used by people in production and life. [0003] Oil-immersed transformers are suitable for power systems, industrial and mining enterprises, transportation, post and telecommunications departments, scientific research units, etc., to conduct dielectric strength tests on various high-voltage electrical equipment, electrical components, and insulating materials under power frequency or DC high voltage. Oil-immers...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01F27/14H01F27/22H01F27/40
CPCH01F27/14H01F27/22H01F27/402H01F2027/404
Inventor 朱万盛钱蓉蓉管生立
Owner 江苏凡高电气有限公司
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