Stator bar connecting structure
A technology for connecting structure and stator bars, which is applied to the shape/style/structure of winding conductors, electrical components, electromechanical devices, etc., can solve the problems that the upper and lower stator bars cannot be directly connected to the connection quality and affect the passage of current.
Pending Publication Date: 2021-08-31
北京北重汽轮电机有限责任公司
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Problems solved by technology
[0004] The purpose of the present invention is to provide a stator bar connection structure, aiming to solve the problems in the prior art that the upper and lower stator bars cannot be directly connected and the connection quality is poor, thereby affecting the current flow
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[0028] The technical solutions of the present invention will be clearly and completely described below with reference to the embodiments. Obviously, the described embodiments are part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
[0029] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "top", "bottom", "front", " Or The positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, ...
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The invention provides a stator bar connecting structure, which is used for connecting an upper-layer winding bar and a lower-layer winding bar, and comprises connecting sleeves and a connecting ring, wherein the two connecting sleeves are divided into an upper connecting sleeve and a lower connecting sleeve, one end of the upper connecting sleeve is fixedly connected with the upper-layer winding bar, and the other end of the upper connecting sleeve is fixedly connected with the connecting ring; one end of the lower connecting sleeve is fixedly connected with the lower-layer winding bar, and the other end of the lower connecting sleeve is fixedly connected with the connecting ring; and the upper-layer winding bar, the upper connecting sleeve, the connecting ring, the lower connecting sleeve and the lower-layer winding bar sequentially form a current path. The stator bar connecting structure solves the problem that in the prior art, upper and lower layers of stator bars cannot be directly connected, the connection quality is poor and current passing is affected.
Description
technical field [0001] The invention relates to the technical field of stator bar connection, in particular to a stator bar connection structure. Background technique [0002] The stator winding of the steam turbine generator enters the stator core slot in a single form, and then forms an electrical connection at the end joints of the upper and lower layers of the bar to form the entire winding. [0003] At present, the existing connection methods of the upper and lower bar joints of the turbine generator stator mainly include butt and lap. The copper wires in the lower wire rods are connected one by one to form a current path, otherwise the upper and lower wire rods cannot be directly connected and the connection quality is poor, thus affecting the passage of current; and the lap joint requires the upper and lower wire rods have the same cross-section, and the upper and lower wire rods have the same cross-section. , The cross section of the lower wire rod is accurately ali...
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IPC IPC(8): H02K3/28H02K3/50
CPCH02K3/28H02K3/505H02K2213/03
Inventor 马丽付玉强秦志红许婧
Owner 北京北重汽轮电机有限责任公司