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高压电器  2015 

位移传感器在中压断路器机械特性监测中的应用研究

DOI: 10.13296/j.1001-1609.hva.2015.07.007, PP. 37-41

Keywords: 断路器,激光位移传感器,光电编码器,电阻式位移传感器,机械特性

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Abstract:

对用于断路器机械特性测试的几种位移传感器原理进行了阐述,针对中压断路器机械操动机构结构紧凑的特点,对影响中压断路器机械特性监测精度的因素进行了分析。设计了抗干扰能力强的传感器信号检测电路,通过机械特性性能测试试验和机械寿命试验证明旋转编码器和激光位移传感器这两种位移传感器是中压断路器机械特性监测的理想传感器,在不影响断路器原有性能参数及可靠性的情况下,不但能真实地反映其行程特性,而且能够在高电压、大电流、强冲击振动的恶劣环境下长期稳定工作。

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