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Novel composite insulation outdoor single-phase combination mutual inductor with lightning arrester

A combined transformer and composite insulation technology, applied in the transformer field, can solve problems such as unsafe operation, and achieve the effects of improving antioxidant capacity, preventing damage and reducing rainwater retention time.

Inactive Publication Date: 2018-08-14
DALIAN ZHONGGUANG INSTR TRANSFORMER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In view of this, the present invention provides a novel composite insulated outdoor single-phase combined transformer with lightning arrester to solve the factors of unsafe operation in the prior art

Method used

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  • Novel composite insulation outdoor single-phase combination mutual inductor with lightning arrester

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Embodiment 1

[0028] Such as figure 1 As shown, the primary winding 12 of the current transformer is formed by connecting the copper strip 1 and the primary busbar 11 of the current transformer through a connecting plate; The P1 end is designed with a lightning arrester installation groove 6, and the lightning arrester 13 is directly installed on the body of the transformer, which effectively prevents the transformer from being struck by lightning and ensures the safe operation of the transformer. The exposed primary busbar electrical 11 of the current transformer is designed with 10 sets of silicone sleeves on it, in order to increase the electrical clearance and phase distance between the primary and the ground of the combined transformer under outdoor operating conditions, and also increase the surface creepage of the body, effectively To prevent outdoor flashover and short-circuit faults between phases, the secondary winding 2 of the current transformer is an effective carrier for conve...

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Abstract

The invention discloses a novel composite insulation outdoor single-phase combination mutual inductor with a lightning arrester. The novel composite insulation outdoor single-phase combination mutualinductor comprises a current transformer, a voltage transformer, the lightning arrester and a shell, wherein the current transformer and the voltage transformer are connected via a connection device,a current transformer primary busbar connector is arranged on the current transformer, the lightning arrester is connected with the current transformer primary busbar connector via a connection wire,and a silica gel sleeve sleeves the current transformer primary busbar connector. The novel composite insulation outdoor single-phase combination mutual inductor is safer and more reliable to run andis resistant to corrosion and ultraviolet ray, the oxidization-resistance capability is greatly improved, and the lightning impact resistant voltage is greatly increased.

Description

technical field [0001] The invention relates to a novel composite insulated outdoor single-phase combined transformer with a lightning arrester, which belongs to the technical field of transformers. Background technique [0002] With the development of the power system in the direction of large-capacity EHV and UHV, the requirements for miniaturization, intelligence and high reliability of power equipment are getting higher and higher. Especially for transformers designed for outdoor use, more and more attention has been paid to the convenience and quickness of installation in the use environment, as well as the safety and reliability in operation, because of the unstable factors in the use of the environment. [0003] The voltage transformer part is used alone, the primary busbar is exposed, and there is no silicone sheath, the transformer body has no installation position for the lightning arrester, and there are not many umbrella skirts on the transformer body, so there a...

Claims

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Application Information

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IPC IPC(8): H01F38/36H01F27/40H01F27/02H01F27/29G01R15/14
CPCH01F38/36G01R15/142H01F27/02H01F27/022H01F27/29H01F27/402
Inventor 隋广君柳全仁隋国成姜婷婷姜福山丁寿杰郑君王玉姜丽萍邵永强杜小双
Owner DALIAN ZHONGGUANG INSTR TRANSFORMER