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Connection method for equalizer of second order with tri-wave winding

A technology of equalizing lines and wave windings, applied in the shape/style/structure of winding conductors, DC commutators, electrical components, etc., can solve the difficulty of wire-embedding assembly, affect the axial ventilation and cooling of the motor, and affect the operation of the motor. and the improvement of design capacity, etc., to achieve the effect of saving copper and easy assembly of embedded wires.

Inactive Publication Date: 2011-04-20
上海电气集团上海电机厂有限公司
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Problems solved by technology

It can be seen from the arrangement that the span of each equalizing line on the entire circumference is 120°, so there are 225 / 3=75 equalizing lines arranged on any radial section of the entire equalizing line disc, so that It is difficult to assemble the embedded wire of the wire reel, and if the size is too large, it will further affect the axial ventilation and cooling of the motor, thereby affecting the operation of the motor and the improvement of the design capacity

Method used

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  • Connection method for equalizer of second order with tri-wave winding
  • Connection method for equalizer of second order with tri-wave winding

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Embodiment Construction

[0011] The present invention provides a kind of connection method of three-wave winding type B voltage equalizing line, and its method is:

[0012] First, the three grooves every 120° on the circumference are divided into a group corresponding to the same equipotential point, such as figure 1 As shown, the grooves numbered 1, 226, and 451 are one group, corresponding to the same equipotential point; the grooves numbered 4, 229, 454 are one group, corresponding to another equipotential point; and so on.

[0013] Second, each group of three equipotential points is connected by only two equalizing lines. That is, the three equipotential points corresponding to the three slots numbered 1, 226, and 451 only need to be connected by two equalizing lines.

[0014] In this way, compared with the prior art, the present invention only uses two equalizing lines to connect the three equipotential points in each group, that is, one equalizing line is omitted, but the effect of equalizing v...

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Abstract

The invention discloses a connection method for an equalizer of the second order with tri-wave winding, which is characterized in that three grooves on the periphery at intervals of 120 degrees are categorized into a group corresponding to a same equipotential point; and the three equipotential points in each group are connected by two equalizers only. Compared with the prior art, in the connection method for the tri-wave winding equalizer of the second kind, the two equalizers of the second kind are used to connect the three equipotential points in each group, thus saving one equalizer of the second kind but reaching the same equalization effect. Therefore, one third of equalizer usage amount is saved, thus greatly saving copper products and being easier to assemble the inserting winding of a wire coil.

Description

technical field [0001] The invention belongs to the field of motor manufacturing, in particular to the technical field of manufacturing large-scale low-speed direct-current motors, and in particular to a method for connecting Class B equalizing lines of three-wave windings of large-scale low-speed direct-current motors. Background technique [0002] In large low-speed DC motors, the armature winding often adopts the winding type of three-wave winding with Class B equalizing line. The equalizing line is mainly used to eliminate the unbalanced magnetic circuit caused by manufacturing deviation and uneven spatial distribution in motor manufacturing. Circuit unbalance effects. The best way for the voltage equalizing line is to use full voltage equalizing, that is, each turn of the winding is connected to the equalizing line, but due to the influence of the armature space layout and the difficulty of embedding wires, in actual manufacturing, each slot is often used (multiple turn...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02K23/32H02K3/28
Inventor 陈明镜
Owner 上海电气集团上海电机厂有限公司
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