Mounting method of grounding wire of extra-high-voltage transformer

An installation method and transformer technology, which are applied in the directions of transformer/reactor installation/support/suspension, inductance/transformer/magnet manufacturing, connection contact materials, etc., can solve the problems of easy theft of metal blocks by thieves and hidden dangers of transformers, etc. Achieve the effect of not easy air oxidation and preventing theft

Inactive Publication Date: 2017-08-08
陶云霞
7 Cites 0 Cited by

AI-Extracted Technical Summary

Problems solved by technology

[0002] In my country, UHV generally refers to the voltage level of 1000 kV and above AC. The requirements for the grounding wire of UHV transformers are much higher than those of ordinary transformers. The grounding wires of UHV transformers require higher conductivity, especially for embedded It is ...
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Method used

Description of principle: the present invention is cleverly arranged on the ground copper rod inside the utility pole, so that thieves cannot steal the copper rod, and the upper ports of the first utility pole and th...
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Abstract

The invention discloses a mounting method of a grounding wire of an extra-high-voltage transformer. According to the mounting method, the extra-high-voltage transformer, a first telegraph pole, a second telegraph pole, a first copper rod, a second copper rod and a horizontal supporting frame are included; the lower end part of the first copper rod is embedded in soil while the first copper rod is positioned in the first telegraph pole; the upper end part of the first copper rod is connected with the metal shell of the extra-high-voltage transformer through a high-voltage cable; the lower end part of the second copper rod is embedded in soil while the second copper rod is positioned in the second telegraph pole; and the upper end part of the second copper rod is connected with the metal shell of the extra-high-voltage transformer through a high-voltage cable

Application Domain

Transformers/reacts mounting/support/suspensionSubstation mounted on pole +3

Technology Topic

Utility poleEngineering +6

Image

  • Mounting method of grounding wire of extra-high-voltage transformer

Examples

  • Experimental program(1)

Example Embodiment

[0017] Embodiment: A method for installing a ground wire of an UHV transformer, including an UHV transformer, a first electric pole, a second electric pole, a first copper rod, a second copper rod, and a horizontal support frame; The second telegraph pole is kept at a certain distance, the lower ends of the first telegraph pole and the second telegraph pole are deeply buried in the soil; the upper port of the first telegraph pole is closed; the upper port of the second telegraph pole is closed The horizontal support frame is fixed between the first and second telephone poles, and the UHV transformer is installed on the horizontal support frame; the lower end of the first copper rod is buried in the soil, but the first The copper rod is located inside the first electric pole, and the upper end of the first copper rod is connected to the metal shell of the UHV transformer through a high-voltage cable; the lower end of the second copper rod is buried in the soil, but the second copper rod is located Inside the second telegraph pole, the upper end of the second copper rod is connected to the metal shell of the UHV transformer through a high-voltage cable.
[0018] Principle description: The present invention cleverly arranges the grounding copper rod inside the electric pole, so that thieves cannot steal the copper rod, and the upper ports of the first electric pole and the second electric pole are both closed, and rainwater cannot enter, which also prevents the copper rod from entering. It is easily oxidized, so that the grounding conductivity of the copper rod will not decrease for a long time.

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Description & Claims & Application Information

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