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Wiring method of optical fiber in transformer

A wiring method and transformer technology, applied in the direction of electrical component structure association, etc., can solve the problems of transformer damage, heat accumulation, endangering the normal operation of the power grid, etc., and achieve the effect of improving stability, reducing interference, and avoiding excessive local stress.

Active Publication Date: 2018-01-12
NORTH CHINA ELECTRIC POWER UNIV (BAODING) +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Under normal working conditions, due to the resistance of the coil used, the transformer will generate and accumulate heat during operation. If the heat cannot be removed as soon as possible, it will cause damage to the transformer itself and endanger the normal operation of the power grid.

Method used

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  • Wiring method of optical fiber in transformer
  • Wiring method of optical fiber in transformer
  • Wiring method of optical fiber in transformer

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Embodiment Construction

[0026] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0027] A specific embodiment of the present invention comprises the following steps:

[0028] A. Calculate the total length of the optical fiber wiring, the actual length of the optical fiber is reserved 0.5-1m more than the total length of the redundant amount of wiring;

[0029] B. Install the bracket on the insulating paper of the transformer winding;

[0030] C. Thread the optical fiber into the transformer and pass through the bracket; the initial penetration angle of the optical fiber is the same as the winding direction of the winding wire at the penetration position. As the penetration length of the optical fiber increases, the wiring angle of the optical fiber changes synchronously.

[0031]

[0032] Where α is the routing angle of the optical fiber, β is the angle between the winding wire at the optical fib...

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Abstract

The invention discloses a wiring method of optical fiber in a transformer. The wiring method comprises the steps that 1, the total wiring length of optical fiber is calculated; 2, a bracket is mountedon insulation paper of a transformer winding; 3, the optical fiber penetrates into the transformer and passes through the bracket, wherein the initial penetrating angle and the winding direction of awinding lead at the penetrating position of the optical fiber are same, along with the increment of the penetrating length of the optical fiber, the wiring angle of the optical fiber changes synchronously; 4, after the optical fiber penetrates into the transformer, multiple insulating adhesive tapes are attached between the optical fiber and the insulation paper, and the optical fiber is fixed preliminarily; 5, the winding tension of the optical fiber is adjusted so that the deviation ratio between the winding tension of each part of the optical fiber and the set standard value can be smallerthan or equal to 5%; 6, after adjustment of the winding tension is completed, the optical fiber is fixed by using an adhesive agent. The wiring method of the optical fiber in the transformer can overcome deficiencies of the prior art and improve the distribution evenness of the winding tension of the optical fiber in the transformer.

Description

technical field [0001] The invention relates to the technical field of transformer assembly, in particular to a method for wiring optical fibers inside a transformer. Background technique [0002] Under normal working conditions, due to the resistance of the coil used, the transformer will generate and accumulate heat during operation. If the heat cannot be removed as soon as possible, it will cause damage to the transformer itself and endanger the normal operation of the power grid. In the process of transformer temperature control, the first step is to detect the temperature of the transformer. Due to strong electromagnetic interference inside the transformer, an optical fiber temperature sensor is usually used to monitor the temperature inside the transformer in real time. When arranging the fiber optic temperature sensor, the quality of the fiber optic wiring directly affects the service life of the fiber optic temperature sensor. Contents of the invention [0003] T...

Claims

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Application Information

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IPC IPC(8): H01F27/40
Inventor 范晓舟刘云鹏田源步雅楠王博闻姜烁贺鹏刘博闻
Owner NORTH CHINA ELECTRIC POWER UNIV (BAODING)
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