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Double-air-gap hybrid excitation direct drive switched reluctance wind power generator and unit system thereof

A technology of wind power generator and mixed excitation, which is applied in the direction of wind power motor combination, wind power engine, wind power generation, etc., can solve the problem of low effective utilization rate, achieve the effect of less copper consumption, reduce weight and cost, and improve power factor

Inactive Publication Date: 2013-04-03
GUODIAN UNITED POWER TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0010] The technical problem to be solved by the present invention is to provide a double-air-gap hybrid excitation direct-drive switched reluctance wind power generator, which can improve the power density of the motor and the utilization rate of materials, and facilitate transportation, thereby overcoming the efficiency of the existing system and the limitation of materials. The disadvantage of low effective utilization

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  • Double-air-gap hybrid excitation direct drive switched reluctance wind power generator and unit system thereof
  • Double-air-gap hybrid excitation direct drive switched reluctance wind power generator and unit system thereof
  • Double-air-gap hybrid excitation direct drive switched reluctance wind power generator and unit system thereof

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Embodiment Construction

[0039] see figure 1 As shown, some short center lines in the figure represent bolts and nuts of various specifications. The inner stator of a large-scale double-air-gap hybrid excitation direct-drive switched reluctance wind power generator of the present invention adopts a centering bearing for centering, and can further adopt a centering bearing for centering at the floating end of the rotor, thereby adopting a three-bearing support structure .

[0040] Specifically, the generator of the present invention mainly includes: hub 1, hollow short shaft 2, main bearing 3, front flange 4, rotor turntable 5, generator casing 6, rotor left end ring 7, outer stator 8, rotor 9, Inner stator 10, inner stator bracket 11, rotor right end ring 12, rotor right support 13, rear flange 14, frame 15, slip ring support 16, slip ring assembly 17, rotor centering mechanism 18 and inner stator centering mechanism 19 .

[0041] The hub 1 and the front end of the hollow short shaft 2 are fastened...

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Abstract

The invention relates to a double-air-gap hybrid excitation direct drive switched reluctance wind power generator and a unit system thereof. The power generator comprises a main bearing, an inner stator, an outer stator and a rotor, wherein the inner stator uses a centering bearing for centering. The unit system comprises a vane hub, a power converter, a direct current battery, an inverter and load, a control system, an auxiliary power supply and the wind power generator. The vane hub is connected with the main bearing of the double-air-gap hybrid excitation switched reluctance wind power generator, a rotary disc of the rotor and the rotor, the double-air-gap hybrid excitation switched reluctance wind power generator is connected with the power converter, the direct current battery is connected among the power converter, the inverter and the load in parallel, and the direct current battery, the power converter and the auxiliary power supply are connected with the control system respectively. Motor power density is improved greatly, effective material utilization rata and motor power factors are improved greatly, and weight, cost, vibration and noise of the motor are reduced greatly.

Description

technical field [0001] The invention relates to the field of switched reluctance wind-driven generators, in particular to a double-air-gap hybrid excitation direct-drive switched reluctance wind-driven generator and a unit system thereof. Background technique [0002] With the continuous development of the wind power industry, wind power technology is also constantly upgraded and updated, mainly as follows: increase the capacity of a single unit, develop new technologies to improve the performance of wind turbines, improve the utilization rate of wind energy, reduce the cost of wind power, and pay more attention to the safety and security of wind turbines. In terms of system reliability control and other aspects, wind farm operation control and predictive dispatching technologies are also being continuously improved. At the same time, the use of offshore wind energy resources, the development of offshore wind farm construction technology, and the development of large-scale o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02K16/04H02K5/16H02K1/22F03D9/00
CPCY02E10/72
Inventor 肖珊彩秦明
Owner GUODIAN UNITED POWER TECH
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