| 基于Z域软件锁相环建模及参数设计 |
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| 引用本文： | 吕飞,秦福星,张松涛. 基于Z域软件锁相环建模及参数设计[J]. 船电技术, 2010, 30(9): 38-41. DOI: 10.3969/j.issn.1003-4862.2010.09.010 |
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| 作者姓名： | 吕飞 秦福星 张松涛 |
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| 作者单位： | 海军蚌埠士官学校机电系,安徽,蚌埠,233012;海军蚌埠士官学校机电系,安徽,蚌埠,233012;海军蚌埠士官学校机电系,安徽,蚌埠,233012 |
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| 摘 要： | 准确的相位信息对大部分现代电能变换装置的稳定运行至关重要。软件锁相环（SPLL）具有设计自由、适应性强等优点可快速准确获得电网电压的相位和频率信息。本文通过分析SPLL原理，获得Z域SPLL线性化模型，进而分析了SPLL线性化模型的稳定性和误差，并在Z域下设计SPLL控制器参数，最后，针对两种电网电压相位跳变情形进行仿真验证。仿真结果表明该设计方法的正确性。
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| 关 键 词： | Z域 软件锁相环 坐标变换 |
Parameter Design of Software Phase-Locked Loop Based on Z-domain |
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| Lu Fei,Qin Fuxing,Zhang Songtao. Parameter Design of Software Phase-Locked Loop Based on Z-domain[J]. Marine Electric & Electronic Technology, 2010, 30(9): 38-41. DOI: 10.3969/j.issn.1003-4862.2010.09.010 |
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| Authors: | Lu Fei Qin Fuxing Zhang Songtao |
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| Affiliation: | Lu Fei,Qin Fuxing,Zhang Songtao(Electromechanical Department,Naval Petty Officer Academy,Bengbu 233012,Anhui,China) |
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| Abstract: | Accurate phase information is crucial for most of the modern power-electronics apparatus.The software phase-lock loop(SPLL)has many advantages,such as freedom of design,high adaptability and so on.It can acquire phase and frequency information of the grid voltage speedily.In this paper,the operational principle of SPLL is analyzed,the Z-domain linearization model of SPLL is obtained,and the SPLL controller is also designed based on Z-domain.Simulation results indicate validity of the SPLL parameter designed... |
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| Keywords: | Z-domain software phase-lock loop(SPLL) frame transform |
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