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基于巨磁阻传感器的电源逆变器过流保护电路设计

更新时间:2020-07-03 05:20:25 大小:904K 上传用户:六3无线电查看TA发布的资源 标签:传感器电源逆变器 下载积分:5分 评价赚积分 (如何评价?) 打赏 收藏 评论(0) 举报

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针对电源逆变器中的过流保护问题,设计了由巨磁阻传感器组成的电源逆变器过流保护电路系统,该系统采用巨磁阻传感器实时采集电源电流,巨磁阻传感器根据电磁感应原理,将交变电流转换为相应的电压信号。通过监控电路实现电压信号的放大和处理,DSP和开关控制电路用来实现电路的开通与关断。实验结果表明该电路可以实现过流保护功能,并且可靠性好、灵敏度高。

Aiming at the over-current protection circuit problem in the power supply inverter, this paper designs a power supply inverter over current protection circuit system composed of giant magneto resistive sensor, which uses giant magneto resistive sensor to collect the power current in real time, and the giant magneto resistive sensor converts the alternating current to the response voltage signal according to the electromagnetic induction principle Through the monitoring circuit to realize the amplification and processing of voltage signal, DSP and switch control circuit is used to realize the opening and closing of the circuit. The experimental results show that the circuit can realize the over-current protection function, and has good reliability and high sensitivity.

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基于巨磁阻传感器的电源逆变器过流保护电路设计.pdf 904K

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