Enclosure structure provided with directionally-laid power transmission conductors, and laying method

Patent metadata

Field	Value
Publication number	US-10465665-B2
Application number	US-201715579542-A
Country	US
Kind code	B2
Filing date	Apr 7, 2017
Priority date	Apr 15, 2016
Publication date	Nov 5, 2019
Grant date	Nov 5, 2019

Abstract

An enclosure having power transmission conductors laid in an oriented manner and a laying method. The method includes the following steps: acquiring changing situations of a surface heat transfer coefficient of an outer surface, in contact with a windward side incoming flow, of a shady side of the enclosure according to airflow parameters outside the enclosure; determining a target laying position according to an inside position, corresponding to a highest surface heat transfer coefficient, of the shady side; and laying the power transmission conductor at the target laying position.

First claim

The invention claimed is:

1. A method for laying a power transmission conductor, the power transmission conductor being laid in an enclosure, comprising steps of:
acquiring changing situations of a surface heat transfer coefficient of an outer surface, in contact with a windward side incoming flow, of a shady side of the enclosure according to airflow parameters outside the enclosure;
determining a target laying position according to an inside position, corresponding to a highest surface heat transfer coefficient, of the shady side; and
laying the power transmission conductor at the target laying position.

2. The method for laying the power transmission conductor according to claim 1 , wherein the step of acquiring changing situations of the surface heat transfer coefficient comprises: acquiring corresponding Reynolds numbers according to airflow parameters outside the enclosure, and establishing changing situations of the surface heat transfer coefficient of the outer surface at the shady side at different Reynolds numbers; and
the step of determining the target laying position comprises: determining the target laying position according to inside positions, corresponding to the highest surface heat transfer coefficient at different Reynolds numbers, of the shady side.

3. The method for laying the power transmission conductor according to claim 2 , comprising: recording positions, corresponding to the highest surface heat transfer coefficient at different Reynolds numbers, at the shady side as target laying angles, wherein, the target laying angle is defined as an included angle formed between a normal vector of a contact surface, where the windward side incoming flow comes into contact with an outer wall of the enclosure, and the position corresponding to the highest surface heat transfer coefficient on the enclosure; and
the target laying position is between a minimum target laying angle and a maximum target laying angle at different Reynolds numbers.

4. The method for laying the power transmission conductor according to claim 2 , wherein the changing situations of the surface heat transfer coefficient of the outer surface, in contact with the windward side incoming flow, of the shady side of the enclosure is reflected by a Nusselt number.

5. The method for laying the power transmission conductor according to claim 1 , wherein the shady side is defined as a range from 45 degrees clockwise from due north direction to 45 degrees counterclockwise from the due north direction.

6. The method for laying the power transmission conductor according to claim 1 , wherein the step of acquiring changing situations of the surface heat transfer coefficient comprises: according to a Reynolds number corresponding to a height position of the enclosure, acquiring changing situations of the surface heat transfer coefficient of a circumferential position of the outer surface at the shady side corresponding to the height position;
the inside position is an inside position corresponding to the highest surface heat transfer coefficient of the circumferential position; and
the step of determining the target laying position comprises: taking a vertically extending line corresponding to the inside position as a reference laying line for laying the power transmission conductor; and rotating the reference laying line clockwise or counterclockwise by a predetermined angle according to changes of the Reynolds numbers at different heights of the enclosure, and determining a position of the rotated reference laying line as the target laying position.

7. The method for laying the power transmission conductor according to claim 1 , wherein the step of acquiring changing situations of the surface heat transfer coefficient comprises: selecting one height position at an upper segment of the enclosure and one height position at a lower segment of the enclosure, and according to Reynolds numbers at the two height positions, acquiring changing situations of the surface heat transfer coefficient of circumferential positions of the outer surface at the shady side corresponding to the two height positions;
the inside position comprises inside positions corresponding to the highest surface heat transfer coefficients of the circumferential positions corresponding to the two height positions; and
the step of determining the target laying position comprises: taking a connection line connecting the two inside positions corresponding to the highest surface heat transfer coefficients of the two circumferential positions as the target laying position.

8. The method for laying the power transmission conductor according to claim 1 , wherein the step of acquiring changing situations of the surface heat transfer coefficient comprises: selecting one height position at an upper segment of the enclosure and one height position at a lower segment of the enclosure, and according to Reynolds numbers at the two height positions, acquiring changing situations of the surface heat transfer coefficient of circumferential positions of the outer surface at the shady side corresponding to the two height positions;
the inside position comprises inside positions corresponding to the highest surface heat transfer coefficients of the circumferential positions corresponding to the two height positions; and
the step of determining the target laying position comprises: taking a connection line connecting the two inside positions corresponding to the highest surface heat transfer coefficients of the two circumferential positions as a reference laying line; and rotating the reference laying line by a predetermined angle according to changes of the highest surface heat transfer coefficients of the two circumferential positions, and determining a position of the rotated reference laying line as the target laying position.

9. The method for laying the power transmission conductor according to claim 1 , wherein the windward side incoming flow is an incoming flow in a main wind direction obtained according to a weather wind rose of a location where the enclosure is located.

10. The method for laying the power transmission conductor according to claim 9 , wherein the weather wind rose is selected as a weather wind rose of a high temperature season of the location where the enclosure is located.

11. The method for laying the power transmission conductor according to claim 1 , wherein the power transmission conductor is bent to allow the power transmission conductor to be bent back and forth when being projected onto an inner surface of the enclosure.

12. The method for laying the power transmission conductor according to claim 11 , wherein the electric power transmission conductor is further bent to allow a vertical distance from the power transmission conductor to the inner surface of the enclosure to change alternately.

13. An enclosure having a power transmission conductor laid in an oriented manner, the power transmission conductor being arranged inside the enclosure, wherein the power transmission conductor is laid inside the enclosure with the method according to claim 1 .

14. The enclosure according to claim 13 , wherein an included angle between the target laying position of the power transmission conductor and the windward side incoming flow ranges from 110 degrees to 125 degrees.

15. The enclosure according to claim 14 , wherein the windward side incoming flow comes from a southwest direction or a southeast direction.

16. The enclosure according to claim 13 , wherein the power transmission conductor is laid in a back and forth bending manner when being projected on an in

Assignees

• Xinjiang Goldwind Science & Tech Co Ltd

Inventors

• Ma Shengjun
• Ma Wanshun

Classifications

• H02G3/00 Primary

  Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles (installations of bus-bars H02G5/00; overhead installations H02G7/00; installations in or on the ground H02G9/00) · CPC title

• Y02B10/30

  Wind power · CPC title

• H02G3/32

  using mounting clamps · CPC title

• H02G1/06 Primary

  for laying cables, e.g. laying apparatus on vehicle · CPC title

• F03D80/85 Primary

  Cabling · CPC title