Main bus-bar, a branch bus-bar, a transfer connector and a bus-bar assembly

Patent metadata

Field	Value
Publication number	US-2016196896-A1
Application number	US-201615067822-A
Country	US
Kind code	A1
Filing date	Mar 11, 2016
Priority date	Sep 29, 2013
Publication date	Jul 7, 2016
Grant date	—

Abstract

Embodiments of the present disclosure disclose a main bus-bar. The main bus-bar consists of a first elongated flat portion and a second elongated flat portion. A longitudinal side of the first elongated flat portion and a longitudinal side of the second elongated flat portion are arranged to be joined with each other at a predetermined angle. The thickness of each of said the first elongated flat portion and the second elongated flat portion is non-uniform. With embodiments of the present disclosure, the skin effect and proximity effect caused by current carried in the main bus-bar can be reduced greatly. Embodiments of the present disclosure also disclose a transfer connector, a bus-bar assembly and a bus-bar system.

First claim

1 . A main bus-bar comprising a first elongated flat portion and a second elongated flat portion, wherein a longitudinal side of said first elongated flat portion and a longitudinal side of said second elongated flat portion are arranged to be joined with each other at a predetermined angle (α), and a thickness of each of said first elongated flat portion and said second elongated flat portion is non-uniform.

2 . The main bus-bar according to claim 1 , wherein the thickness of each of said first elongated flat portion and said second elongated flat portion is gradually increased or decreased away from a joint area of said first elongated flat portion and said second elongated flat portion.

3 . The main bus-bar according to claim 1 , wherein a width of said first elongated flat portion is equal to that of said second elongated flat portion.

4 . The main bus-bar according to claim 1 , wherein the other longitudinal side of at least one of the first elongated flat portion and the second elongated flat portion, opposite to the joint area, is provided with a rounded flange, a thickness of which is wider than that of the rest of the respective elongated flat portion.

5 . The main bus-bar according to claim 4 , wherein the rounded flange is provided with an internal groove.

6 . The main bus-bar according to claim 1 , wherein a longitudinal end of the first elongated flat portion and/or a longitudinal end of the second elongated flat portion are provided with one or more through-holes in which a thread is provided.

7 . The main bus-bar according to claim 1 , wherein a longitudinal end of the first elongated flat portion and/or a longitudinal end of the second elongated flat portion are rounded, and wherein a joint area formed between said first elongated flat portion and said second elongated flat portion is rounded.

8 . The main bus-bar according to claim 1 , wherein a groove is provided at an end of the joint area formed between said first elongated flat portion and said second elongated flat portion.

9 . The main bus-bar according to claim 1 , wherein a middle segment of said first elongated flat portion and/or said second elongated flat portion is coated with an electrical insulation composite.

10 . A bus-bar assembly comprising,
a main bus-bar of including a first elongated flat portion and a second elongated flat portion, wherein a longitudinal side of the first elongated flat portion and a longitudinal side of the second elongated flat portion are arranged to be joined with each other at a predetermined angle (α), and a branch bus-bar comprising one or more planar portions for connecting with an electrical component and one or more bending segments extended from the planar portion, wherein at least one of the first and second elongated flat portions of the main bus-bar are arranged to be attached to the respective bending segments of the branch bus-bar.

11 . The bus-bar assembly according to claim 10 , wherein a thickness of each of said first elongated flat portion and said second elongated flat portion is gradually increased or decreased away from a joint area of said first elongated flat portion and said second elongated flat portion.

12 . The bus-bar assembly according to claim 11 , wherein,
a longitudinal end of the first elongated flat portion and/or a longitudinal end of the second elongated flat portion are provided with one or more first through-holes in which a thread is provided, said bending segments are provided with one or more second through-holes with a thread therein, and the respective elongated flat portion of the main bus-bar is attached to the respective bending segment of the branch bus-bar via the respective first and second through-holes by means of a bolt structure.

13 . A bus-bar system comprising two bus-bar assemblies according to claim 10 , wherein at least one of the first elongated flat portion and the second elongated flat portion of the main bus-bar of the first bus-bar assembly is arranged to be parallel to respective one of the first elongated flat portion and the second elongated flat portion of the main bus-bar of the second bus-bar assembly.

14 . A bus-bar assembly comprising,
a main bus-bar comprising a first elongated flat portion and a second elongated flat portion, wherein a longitudinal side of the first elongated flat portion and a longitudinal side of the second elongated flat portion are arranged to be joined with each other at a determined angle (α), a branch bus-bar comprising two or more planar portions, and a transfer connector for connecting the main bus-bar with the branch bus-bar, wherein the transfer connector comprises a first connector elongated flat portion and a second connector elongated flat portion, a longitudinal side of the first connector elongated flat portion and a longitudinal side of the second connector elongated flat portion are arranged to be joined with each other at a predetermined angle, and one flat surface is provided between the first connector elongated flat portion and the second connector elongated flat portion, wherein the first elongated flat portion of the main bus-bar is arranged to be attached to the first connector elongated flat portion, the second elongated flat portion of the main bus-bar is arranged to be attached to the second connector elongated flat portion, and one of the two or more planar portions of the branch bus-bar is adapted to be connected to an electrical component, and the other of said two or more planar portions is arranged to be attached to the one flat surface.

15 . The bus-bar assembly according to claim 14 , wherein said one flat surface is provided with one or more first embedded through-holes with a thread therein, and a side of said one or more first embedded through-holes opposite to said one flat surface is another flat surface.

16 . The bus-bar assembly according to claim 15 , wherein the another flat surface is lower than a joint area of the first connector elongated flat portion ( 41 ) and the second connector elongated flat portion.

17 . The bus-bar assembly according to claim 14 , wherein
a longitudinal end of the first elongated flat portion and/or a longitudinal end of the second elongated flat portion are provided with one or more second embedded through-holes in which a thread is provided, a longitudinal end of the first connector elongated flat portion and/or a longitudinal end of the second connector elongated flat portion are provided with one or more third embedded through-holes in which a thread is provided, the respective elongated flat portion of the main bus-bar is attached to the respective connector elongated flat portion of the transfer connector via the second and third embedded through-holes by a bolt structure.

18 . The bus-bar assembly according to claim 17 , wherein
the one flat surface is attached to the other portion of said two or more planar portions via said first through-holes and through-holes in the other portion by means of a bolt structure.

19 . A bus-bar system comprising two bus-bar assemblies according to claim 14 , wherein at least one of the first elongated flat portion and the second elongated flat portion of the main bus-bar of the first bus-bar assembly is arranged to be parallel to respective one of the first elongated flat portion and the second elongated flat portion of the main bus-bar of the second bus-bar assembly.

20 . A transfer connector for connecting a main bus-bar with a branch bus-bar, comprising a first connector elong

Assignees

• Abb Technology Ltd

Inventors

• Yang Changzhou
• Zhang Yang
• Huang Liqun
• Wang Delong
• Liu Xiaodong
• Yan Congming
• Wang Zhe
• Zhang Xin

Classifications

• H02G5/10

  Cooling · CPC title

• H01B5/02 Primary

  Single bars, rods, wires, or strips · CPC title

• H02G5/00 Primary

  Installations of bus-bars · CPC title