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Sectional modular stator structural direct-driving permanent magnetic synchro wind generator

A wind turbine, permanent magnet synchronous technology, applied to synchronous motors with static armatures and rotating magnets, wind power generation, synchronous machine parts, etc., can solve problems such as troublesome replacement, inconvenient transportation, and affecting motor efficiency. , to achieve the effect of easy replacement, easy mechanical continuous winding, and light weight

Inactive Publication Date: 2007-01-03
TIANJIN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the stator core of the direct-drive low-speed permanent magnet synchronous wind turbine with the traditional stator structure is a complete whole, and the three-phase winding is placed on one core, which is very inconvenient for manufacturing and maintenance.
When the insulation of one turn of the stator winding is damaged, it is very troublesome to replace it
At the same time, some motor winding ends are longer, and some winding coefficients are too small, which affects the efficiency of the motor.

Method used

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  • Sectional modular stator structural direct-driving permanent magnetic synchro wind generator
  • Sectional modular stator structural direct-driving permanent magnetic synchro wind generator
  • Sectional modular stator structural direct-driving permanent magnetic synchro wind generator

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Embodiment Construction

[0013] The present invention will be further described in detail below in conjunction with the accompanying drawings.

[0014] The segmented modular stator structure direct-drive low-speed permanent magnet synchronous wind power generator of the present invention includes a base 8, front end covers 3 on both sides of the base, rear end covers 13, bearings 2, rotor shaft 1, and a junction box 15. Y-connected three-phase winding, segmented modular stator core 5 fixed in the machine base, rotor installed on the rotor shaft, and main magnetic pole NdFeB permanent magnets arranged on the circumference of the rotor 14 and the rotor pole piece 9, the pole piece mandrel 10 is fixed inside the rotor pole piece, the stator core is arranged in segments, and the inner diameter circumference of the segmented modular stator core is evenly divided into k 1 A sector group, in each sector group A, B, C three phases occupy one sector with the same area, one sector belongs to one phase, and each...

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Abstract

This invention discloses a direct-drive low speed magnetic synchronous wind generator with a sectional module stator structure including a stator core set in sections, in which, the internal circle of the core is divided into k1 fan zone sets uniformly and three phases of A, B and C in each set are in three fan zones in same area, each zone belongs to one phase, K2 teeth are set on the stator core of a zone uniformly, a groove is opened between adjacent two teeth, the teeth distance of which is a pole distance, a holddown is set between the two adjacent stator cores and a full-pitched centralized coil is winded on each tooth of the stator cores, the winding coefficient of the motor is 1, the end of the stator winding is short and easy to be winded mechanically and continuously, the core sections are independent to each other on the base and easy to be exchanged.

Description

technical field [0001] The invention belongs to the technical field of electrical engineering, and relates to a segmented modular stator structure, in particular to a direct-drive low-speed permanent magnet synchronous wind power generator. Background technique [0002] With the development of human economy and society, the demand for energy is increasing, and energy is the basic material guarantee for human production and life. With the increasing shortage of conventional fossil energy and the improvement of public awareness of environmental protection, human beings pay more and more attention to the development and utilization of renewable energy. As an important item in the new energy strategic planning, wind power has been widely and fruitfully developed all over the world. Generator, as an important part of wind power system to convert wind energy into electric energy, is a research hotspot in wind power technology. In the last 20 years, wind power generators have con...

Claims

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Application Information

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IPC IPC(8): H02K21/12H02K21/02H02K1/14H02K1/27H02K3/18H02K3/28H02K1/02
CPCY02E10/725Y02E10/72
Inventor 陈益广沈勇环王晓远
Owner TIANJIN UNIV
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