| 基于线性光耦的强隔离直流电压检测方法 |
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| 引用本文： | 郑良广,倪喜军,闫安心,赵剑锋.基于线性光耦的强隔离直流电压检测方法[J].江苏电器,2009(11):53-55. |
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| 作者姓名： | 郑良广 倪喜军 闫安心 赵剑锋 |
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| 作者单位： | 东南大学伺服控制技术教育部工程研究中心,江苏南京210096 |
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| 基金项目： | 基金项目：江苏省科技支撑项目（BE2008072） |
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| 摘 要： | 介绍了高精度线性光耦HCNR201的工作原理。提出了基于线性光耦的直流电压检测方法及其硬件电路，该检测电路具有较强的电气隔离特性。给出了基于该电路的试验结果，运用最佳平方逼近原理对实验数据进行分析，证明了该直流电压检测方法的线性度好、精确度高。
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| 关 键 词： | HCNR201芯片 直流电压 检测方法 电气隔离 |
High Isolated DC Voltage Detecting Technique Based on Linear Optocoupler |
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| Authors: | ZHENG Liang-guang NI Xi-jun YAN An-xin ZHAO Jian-feng |
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| Affiliation: | ( Servo-Control Engineering Center of the Ministry of Education, Southeast University, Nanjing 210096, China) |
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| Abstract: | Introduction was made to the working principle of a high-accuracy linear optocoupler, HCNR201. A DC voltage detecting technique and its hardware circuit based on the linear optocoupler were proposed. The detecting circuit was in possession of high electrical isolated characteristics. This paper gave the experimental results based on the circuit and analyzed the experimental data with the principle of optimum approximation in quadratic norm. The results prove that this DC voltage detecting technique is with high linearity and accuracy. |
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| Keywords: | HCNR201 DC voltage detecting technique electrical isolation |
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