核电站大中型电力变压器老化与寿命评估

2012 Second International Conference on Intelligent System Design and Engineering Application Pub Date : 2012-01-06 DOI:10.1109/ISDEA.2012.449

Chengfeng Yang, Haining Shi, T. Liu

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引用次数: 5

摘要

为了对核电站大中型电力变压器进行有效管理，对核电站大中型电力变压器老化寿命评估的几种方法进行了分析和描述，包括变压器固体绝缘热老化寿命评估法、考虑绝缘纸含水率的热老化寿命评估法、基于绝缘纸的平均聚合度和绝缘油的糠醛含量的老化寿命评估分析方法。结合上述方法对某核电站6台单相主变压器进行了老化和寿命评估，取得了满意的结果。综合运用本文阐述的这些评估方法，有助于更加合理、准确地评估变压器的整体寿命，为核电站大中型电力变压器的老化和寿命周期管理提供合理而重要的参考。

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Aging and Life Assessment of Large and Medium-sized Power Transformers in Nuclear Power Plants

In order to effectively manage the large and medium-sized power transformer in nuclear power plants, several methods for the aging and life assessment of large and medium-sized power transformers used in nuclear power plants are analyzed and described, including the thermal aging life assessment method of transformer solid insulation, the thermal aging life assessment method considering the moisture content of the insulation paper, the aging and life assessment analysis method based on the average degree of polymerization of the insulation paper and the furfural content of the insulation oil. The aging and life assessment for six single-phase main transformers of a nuclear power plant has been implemented through the combined use of these methods and some satisfactory results have been got. The integrated use of these assessment methods elaborated in this paper can contribute to a more reasonable and accurate assessment of the overall life of transformers, and provide a reasonable and important reference for the aging and life cycle management for large and medium-sized power transformers in nuclear power plants.

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来源期刊

2012 Second International Conference on Intelligent System Design and Engineering Application

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