| 基于DSP的电力系统电压测量装置设计 |
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| 引用本文： | 陈理,吴为麟. 基于DSP的电力系统电压测量装置设计[J]. 电力系统及其自动化学报, 2006, 18(3): 14-17,23 |
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| 作者姓名： | 陈理 吴为麟 |
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| 作者单位： | 浙江大学电气工程学院,杭州,310027;浙江大学电气工程学院,杭州,310027 |
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| 基金项目： | 国家自然科学基金重点资助项目（50437010） |
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| 摘 要： | 为保证电力系统高压测量的准确度,采用TM S320LF 2407芯片对传统电容式电压互感器(CVT)的二次侧进行数字化控制,利用PFC校正实现输入电压信号的功率放大,基于DSP的无差拍外电压环控制和带无差拍观测器的内电流环控制,大大改善了因采样延时和计算延时对测量系统实时性和精确性的影响,使得该装置输出电压波形能很好地跟踪输入电压。实验结果充分说明了上述结论。
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| 关 键 词： | 电力电压测量 数字信号处理器 逆变系统 无差拍控制 |
| 文章编号： | 1003-8930（2006）03-0014-04 |
| 收稿时间： | 2005-06-27 |
| 修稿时间： | 2005-06-272005-08-28 |
Design of DSP Based Voltage Measurement Device for Power Systems |
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| CHEN Li,WU Wei-lin. Design of DSP Based Voltage Measurement Device for Power Systems[J]. Proceedings of the CSU-EPSA, 2006, 18(3): 14-17,23 |
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| Authors: | CHEN Li WU Wei-lin |
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| Affiliation: | College of Electrical Engineering, Zhejiang University, Hangzhou 310027, China |
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| Abstract: | The design of the equipment adopts TMS320LF2407 to control the traditional CVT on second side with digital strategy,realizes the function of amplifying the power of input voltage signal,implements dead-beat voltage control and dead-beat observer based inner current control using DSP,improves the real-time capability and the accuracy of the measurement system greatly,avoids the effect produced by A/D and calculation delay,ensures that the output voltage can track the input signal perfectly.At last,the experiment results show the effectiveness of the design. |
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| Keywords: | electrical voltage measurement system digital signal processor(DSP) inverter system dead-beat control |
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