Ventilation Cooling Design for a Novel 350-MW Air-Cooled Turbo Generator | Zendy

Guang-Hou Zhou | Zendy; Li Han | Zendy; Zhen-Nan Fan | Zendy; Hai-Bo Zhang | Zendy; Xiu-Cheng Dong | Zendy; Jun Wang | Zendy; Zhang Sun | Zendy; Bi-de Zhang | Zendy

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Ventilation Cooling Design for a Novel 350-MW Air-Cooled Turbo Generator

Author(s) -

Guang-Hou Zhou,

Li Han,

Zhen-Nan Fan,

Hai-Bo Zhang,

Xiu-Cheng Dong,

Jun Wang,

Zhang Sun,

Bi-de Zhang

Publication year - 2018

Publication title -

ieee access

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.587

H-Index - 127

ISSN - 2169-3536

DOI - 10.1109/access.2018.2875757

Subject(s) - aerospace , bioengineering , communication, networking and broadcast technologies , components, circuits, devices and systems , computing and processing , engineered materials, dielectrics and plasmas , engineering profession , fields, waves and electromagnetics , general topics for engineers , geoscience , nuclear engineering , photonics and electrooptics , power, energy and industry applications , robotics and control systems , signal processing and analysis , transportation

Herein, we successfully designed a ventilation system for a new 350-MW air-cooled turbogenerator based on a reasonable lectotype choice and optimization analysis. Fluid field and thermal analysis based on computational fluid dynamics were performed to guide the optimization of cooling structures and ensure temperature rise under the limit of insulation grade B. The measured values obtained from recent factory assembly-type testing were found to coincide with the design expectations for generator efficiency and temperature rise. The results confirmed the feasibility of a multi-chamber forward-flow cooling path for 400-MVA-class air-cooled generators.

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