Title:
METHOD AND SYSTEM FOR CALCULATING WINDING TEMPERATURE FIELD UNDER NATURAL CONVECTION HEAT DISSIPATION OF TRANSFORMER
Document Type and Number:
WIPO Patent Application WO/2024/092924
Kind Code:
A1
Abstract:
Disclosed in the embodiments of the present invention are a method and system for calculating a winding temperature field under natural convection heat dissipation of a transformer. The method comprises: performing thermodynamic analysis on oil, winding and iron core parts of a target transformer, acquiring oil parameters, winding parameters and iron core parameters corresponding to the target transformer, and establishing a constraint equation according to a thermodynamic analysis result and the acquired parameters; determining a boundary condition according to the acquired parameters, and constructing a temperature model of the target transformer on the basis of the constraint equation and the boundary condition; acquiring a temperature value of any point in a space where the target transformer is located; and on the basis of the acquired temperature value, using the temperature model of the target transformer to solve and obtain a temperature field corresponding to the target transformer. By means of a temperature model provided in the present invention, the spatial distribution of winding temperatures under natural convection heat dissipation of a transformer can be acquired when only temperature measurement data of one point is acquired, thereby greatly improving the temperature calculation efficiency and the temperature monitoring efficiency of a transformer winding.
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Inventors:
WANG XIN (CN)
PENG QINGJUN (CN)
ZOU DEXU (CN)
ZHOU FANGRONG (CN)
WANG HAOZHOU (CN)
WANG SHAN (CN)
PENG QINGJUN (CN)
ZOU DEXU (CN)
ZHOU FANGRONG (CN)
WANG HAOZHOU (CN)
WANG SHAN (CN)
Application Number:
PCT/CN2022/134842
Publication Date:
May 10, 2024
Filing Date:
November 29, 2022
Export Citation:
Assignee:
ELECTRIC POWER RES INSTITUTE OF YUNNAN POWER GRID CO LTD (CN)
International Classes:
G06F30/20; G06F17/13; G06F30/28
Attorney, Agent or Firm:
SHENZHEN CIPRUN INTELLECTUAL PROPERTY AGENCY CO., LTD. (Zhong'ai Garden No. 040 Longzhu 7th Road, Fengjing Community, Taoyuan Sub-district, Nanshan District, Shenzhen Guangdong 0, CN)
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