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环境振动特性和压电型集能器的研制

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摘要 基于变电站变压器的工作环境特征,测试分析变压器的振动特性,获得其振动频率为100 Hz,加速度峰值为0.416 m/s2,据此设计和制备压电型集能器,确定其尺寸参数,并对其输出性能进行系统研究。器件在0.416 m/s2加速度激励下输出电压随振动频率的变化关系显示,在100 Hz时电压峰值达到9.4 V。设计的集能器谐振频率与变电站变压器振动频率一致,非常适于变电站变压器振动能量收集和应用,对于支持变电站故障抢修具有十分重要的意义。
出处 《电气应用》 2015年第S1期596-599,共4页 Electrotechnical Application
基金 国网上海市电力公司科技资助项目(批准号:52091413502W)支持
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