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Cooling control method for main bearing of wind power generating set

A wind turbine, cooling control technology, applied in the direction of bearing cooling, wind turbine, engine, etc., can solve the problem of poor cooling effect of the main bearing, and achieve the effect of good cooling effect and high reliability

Active Publication Date: 2020-02-21
BEIJING GOLDWIND SCI & CREATION WINDPOWER EQUIP CO LTD
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Problems solved by technology

[0008] Embodiments of the present invention provide a wind power generating set and its main bearing cooling system and cooling control method to solve the problem of poor cooling effect of the main bearing of the wind generating set

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  • Cooling control method for main bearing of wind power generating set
  • Cooling control method for main bearing of wind power generating set
  • Cooling control method for main bearing of wind power generating set

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Embodiment Construction

[0026] The wind power generating set and its main bearing cooling system and cooling control method according to the embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0027] Such as figure 1 As shown, the wind power generating set includes a nacelle 6, a fixed shaft connected to the nacelle 6, a main bearing 2 arranged in the fixed shaft, a moving shaft 8 penetrated in the main bearing 2, and the like. Wherein, the outer ring of the main bearing 2 is installed in the hole of the fixed shaft and remains stationary together with the fixed shaft, and the inner ring of the main bearing 2 is installed on the moving shaft 8 and rotates with the moving shaft 8 . The moving shaft 8 is connected with the rotor bracket and the impeller system, and rotates with the impeller system. During the working process of the wind power generating set, the main bearing 2 will generate heat, so that the operating temperature of the...

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Abstract

The invention provides a wind generating set, a main bearing cooling system thereof and a cooling control method. The main bearing cooling system of the wind generating set comprises a semiconductor cooling part and a power supply control part, wherein the semiconductor cooling part is provided with a cold end absorbing heat and a heat end releasing heat, and the cold end is connected with a main bearing to be cooled; and the power supply control part is connected with the semiconductor cooling part, supplies power to the semiconductor cooling part and controls the semiconductor cooling part. The main bearing cooling system of the wind generating set is used for cooling the main bearing, reliability is high, controllability is good, and no noise or vibration exists.

Description

technical field [0001] The invention relates to the field of cooling equipment for wind power generators, in particular to a wind power generator and its main bearing cooling system and cooling control method. Background technique [0002] The enlargement of wind turbines has gradually become a trend. The enlargement of wind turbines will inevitably lead to the enlargement of the main bearings, which will increase the load of the main bearings and bring many challenges to the safe and reliable operation of the main bearings. The operating temperature of the main bearing is an important factor for its reliable operation. In order to ensure a reasonable life of the main bearing of the wind turbine, in addition to fully considering the relevant requirements in design, manufacturing, processing and assembly, the on-site operating temperature of the main bearing should be controlled within a reasonable range in order to avoid premature failure of the main bearing. Power generati...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F03D80/60F03D80/70
CPCF05B2260/20F16C37/007F16C2360/31
Inventor 方涛俞黎萍白洛林
Owner BEIJING GOLDWIND SCI & CREATION WINDPOWER EQUIP CO LTD
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