LAND-SAVING AND LOAD-REDUCING WIND POWER GENERATION SYSTEM

Title:

LAND-SAVING AND LOAD-REDUCING WIND POWER GENERATION SYSTEM

Document Type and Number:

WIPO Patent Application WO/2023/010799

Kind Code:

A1

Abstract:

Disclosed in the present application is a land-saving and load-reducing wind power generation system, in which a power generation portion is arranged at the bottom of a tower cylinder, a bottom main shaft is connected to a generator, a cabin main shaft is connected to blades by means of a hub, the cabin main shaft is connected to the bottom main shaft by means of a transmission mechanism, and a box-type transformer is arranged inside the bottom of the tower cylinder and is connected to the generator. According to the present application, by moving the generator from the cabin located at the top of the tower cylinder to the bottom of the tower cylinder, the weight of the cabin is reduced, and the engineering hoisting cost is reduced; moreover, the requirement of the load on the tower cylinder and a wind generating set is significantly reduced, and the engineering construction cost is further reduced; by placing the box-type transformer inside the tower cylinder, the land requisitioning area for construction of the wind generating set is saved, and the engineering cost is reduced; and by placing the generator at a lower position and placing the box-type transformer inside, the length of a cable between the generator and the box-type transformer is reduced, and the material cost and the installation cost of the project are further reduced.

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Inventors:

ZHANG QING (CN)
ZHANG LIYING (CN)
LI QIAN (CN)
SHAO ZHENZHOU (CN)
CHENG YU (CN)

Application Number:

PCT/CN2021/144010

Publication Date:

February 09, 2023

Filing Date:

December 31, 2021

Export Citation:

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Assignee:

HUANENG CLEAN ENERGY RES INST (CN)

International Classes:

F03D9/00

Domestic Patent References:

WO2019171829A1

2019-09-12

Foreign References:

CN1664359A	2005-09-07
CN208950778U	2019-06-07
CN112096570A	2020-12-18
CN113417816A	2021-09-21
CN1880756A	2006-12-20
CN108443071A	2018-08-24

Attorney, Agent or Firm:

SUNSHINE INTELLECTUAL PROPERTY INTERNATIONAL CO., LTD. (CN)

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