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VACUUM ›› 2019, Vol. 56 ›› Issue (4): 74-77.doi: 10.13385/j.cnki.vacuum.2019.04.18

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Application of a New Type of Pressure Alternating Vacuum Drying Technology for Transformer Treatment

LV Na1, YU Sheng-bin2, YAN Hong-yu2, YU Qing-ming2, QIAO Bao-zhen3, WANG Ying-wu3   

  1. 1 Baoding Tianwei Baochang Electric Co., Ltd. Baoding,Hebei 110025 China;
    2 China Qiyuan Engineering Corpoertion Xi'an,Shanxi 710018 China;
    3 Shenyang Chengqiao Vacuum Equipment Co., Ltd. Shenyang,Liaoning 110025 China
  • Received:2019-01-16 Published:2019-08-22

Abstract: In view of the physical phenomena of water content in insulating materials and the physical process of water discharge in the process of transformer body treatment, scientific analysis and research are carried out, and the system principle and drying process of drying equipment are gradually improved. Therefore, a new pressure-swing vacuum drying technology, which is different from the traditional one, emerges at the historic moment and has been widely used. This paper introduces a new type of vacuum drying technology in detail.

Key words: transformer, pressure alternating method, drying, heating, vacuum pumping

CLC Number: 

  • TM411
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