| LW15-252型断路器低温运行特点及应对措施的研究 |
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| 引用本文： | 贾明月,郭夫,刘树新,蒋晓刚. LW15-252型断路器低温运行特点及应对措施的研究[J]. 高压电器, 2011, 47(11): 106-109 |
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| 作者姓名： | 贾明月 郭夫 刘树新 蒋晓刚 |
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| 作者单位： | 鞍山供电公司,鞍山,114001 |
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| 摘 要： | 笔者结合LW15-252型断路器运行中出现的问题,对气动操作机构低温运行特点进行了总结,在此基础上对机构箱的加热保温措施进行了研究.文中分析了采用传统保温措施后SF6气体密度检测失真的原因,设计了一套由保温被、半导体加热器等组成的机构箱加热、保温系统,确保了操作机构冬季运行平稳,也为采用气动操作机构的其他断路器的运行维...
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| 关 键 词： | 断路器 操作机构 低温 密度继电器 保温 |
Study on Low-temperature Features and Corresponding Countermeasure for LW15-252 Circuit Breaker |
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| JIA Ming-yue,GUO Fu,LIU Shu-xin,JIANG Xiao-gang. Study on Low-temperature Features and Corresponding Countermeasure for LW15-252 Circuit Breaker[J]. High Voltage Apparatus, 2011, 47(11): 106-109 |
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| Authors: | JIA Ming-yue GUO Fu LIU Shu-xin JIANG Xiao-gang |
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| Affiliation: | JIA Ming-yue,GUO Fu,LIU Shu-xin,JIANG Xiao-gang(Anshan Power Supply Company,Anshan 114001,China) |
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| Abstract: | According to the problem occurred in the operation of LW15-252 circuit breaker,this paper summarized the low-temperature features of the pneumatic operating mechanism,and studies its heat preservation measures in winter.This paper analyzed the reasons of inaccurate measurement of SF6 density when the mechanism case was in traditional heat preservation measures,and then presented a warming and heat-preserving system composed of insulating cover and semiconductor heater for the mechanism case.The application ... |
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| Keywords: | breaker operating mechanism low-temperature density relay heat preservation |
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