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Abstract:
用超声纵波脉冲反射法,对不同运行年数发电机退役的定子线棒绝缘进行了超声检测试验,根据测到的超声脉冲A扫描F波和B波的间隔时间编制了波速计算程序并计算了超声测量试验获得的A扫描波形.研究发现,测到的定子绝缘最小波速和平均波速随着发电机运行年数的增长不断减小,且最小波速比平均波速减小的趋势更明显,最小波速和平均波速能有效反映发电机定子绝缘的老化状态.
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高电压技术
ISSN: 1003-6520
Year: 2005
Issue: 2
Page: 16-17,38
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count:
30 Days PV: 5
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