| 一种高可靠性的故障保护电路设计及其应用 |
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| 引用本文： | 杨君.一种高可靠性的故障保护电路设计及其应用[J].机械工程师,2012(3):68-70. |
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| 作者姓名： | 杨君 |
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| 作者单位： | 西南科技大学制造学院,四川绵阳,621010 |
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| 摘 要： | 在介绍矢量180°全直流变频空调控制系统的基础上,提出了一种应用于DC180°正弦波驱动电路中短路保护电路。该电路设计了复合电平信号比较锁存器,实现系统过电流、负载突变、输入过欠压、电压突变、输出过压、电源欠压等故障的保护,提高了系统可靠性。
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| 关 键 词： | 正弦波驱动电路 比较锁存器 故障保护 可靠性 |
Design and Application of a High Reliablility Fault Protecting Circuits |
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| YANG Jun.Design and Application of a High Reliablility Fault Protecting Circuits[J].Mechanical Engineer,2012(3):68-70. |
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| Authors: | YANG Jun |
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| Affiliation: | YANG Jun(School of Manufacturing Science and Engineering,Southwest University of Science and Technology,Mianyang 621010,China) |
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| Abstract: | Based on the introduction of DC180° variable-frequency control system for air conditioning,a short-circuit protection circuit in DC180° sine-wave driving circuits is proposed.The circuit is designed with recombination level signal in comparator latch,which can realize over-current protection,load sudden change,input over/under voltage,voltage sudden,over voltage,line under voltage to achieve fault protection,and can improve the reliability of the system. |
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| Keywords: | sine-wave driving circuits comparator latch fault protecting circuits reliability |
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