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Rotating electric machine, wind power generation system and method of manufacturing rotating electric machine

A technology for wind power generation systems and rotating electrical machines, applied to synchronous motors with stationary armatures and rotating magnets, wind power engines, wind power generation, etc., which can solve problems such as difficult assembly

Active Publication Date: 2012-03-14
YASKAWA DENKI KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, in the conventional generator described in the above-mentioned Japanese Patent Application Laid-Open No. 2006-6023, it is necessary to work extremely carefully during assembly, so there is a problem that assembly is very difficult and takes a long time

Method used

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  • Rotating electric machine, wind power generation system and method of manufacturing rotating electric machine
  • Rotating electric machine, wind power generation system and method of manufacturing rotating electric machine
  • Rotating electric machine, wind power generation system and method of manufacturing rotating electric machine

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no. 1 approach

[0029] First, refer to Figure 1 to Figure 4 , the configuration of the wind power generation system 100 according to the first embodiment of the present invention will be described. In addition, in the first embodiment, an example in which the rotating electric machine of the present invention used in the wind power generation system 100 is used as the generator 1 will be described.

[0030] Such as figure 1As shown, the wind power generation system 100 is composed of a generator 1 , a nacelle 2 for accommodating the generator 1 , a rotor hub 3 , blades 4 and a tower 5 . The generator 1 is accommodated in the nacelle 2 . In addition, the rotor hub 3 is attached to a rotating shaft 33 described later of the generator 1 . In addition, a plurality of blades 4 are attached to the rotor hub 3 . Furthermore, the nacelle 2 is mounted on a tower (support column) 5 .

[0031] Such as Figure 4 As shown, the generator 1 is composed of a housing 11 , a stator 21 and a rotor 31 . ...

no. 2 approach

[0050] Below, refer to Figure 8 and Figure 9 , the generator 1a of the second embodiment will be described. Unlike the above-mentioned first embodiment in which the first ball bearing 35 and the second ball bearing 36 are attached to the rotating shaft 33 in advance, in this second embodiment, the first ball bearing 55 and the second ball bearing 56 are attached in advance. into the rotating shaft support hole 53. In addition, the overall structure of the wind power generation system of the second embodiment is the same as that of the above-mentioned first embodiment (refer to figure 1 )same.

[0051] Such as Figure 9 As shown, the generator 1 a of the second embodiment is composed of a casing 51 , a stator 61 and a rotor 71 . The housing 51 is formed in a cylindrical shape. In addition, the housing 51 is provided with a recessed portion 52 for accommodating the stator 61 and the rotor 71 . Further, a rotating shaft support hole 53 into which the rotating shaft 73 of...

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PUM

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Abstract

The present invention provides a rotating electric machine, a wind power generation system and a method of manufacturing rotating electric machine. The rotating electric machine is so formed that the length from an end portion of a rotor core closer to a rotating shaft support portion to a portion first coming into contact with the rotating shaft support portion when a rotating shaft portion is inserted into the rotating shaft support portion is larger than the length from an end portion of the rotating shaft support portion closer to a stator to an end portion of a stator core opposite to the rotating shaft support portion.

Description

technical field [0001] The present invention relates to a rotating electrical machine, a wind power generation system, and a method for manufacturing the rotating electrical machine, and more particularly, to a rotating electrical machine having a rotor and a stator radially opposed to the rotor, a wind power generation system, and a manufacturing method for the rotating electrical machine. Background technique [0002] Conventionally, for example, Japanese Patent Application Laid-Open No. 2006-6023 discloses a rotating electric machine having a rotor and a stator facing the rotor in the radial direction. [0003] The generator (rotary electric machine) disclosed in the aforementioned Japanese Patent Laid-Open No. 2006-6023 has: a rotor; a stator facing the rotor in the radial direction; The bearing is rotatably supported on the rotating shaft on the housing. In this generator, permanent magnets are provided on the outer periphery of the rotor. In addition, the rotor and t...

Claims

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Application Information

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IPC IPC(8): H02K21/14H02K21/02H02K5/16H02K15/00F03D9/00
CPCH02K7/003Y10T29/49009Y02E10/72H02K1/22H02K7/183H02K21/24
Inventor 津曲宏
Owner YASKAWA DENKI KK
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