| 电力电子分布式数字控制网络的同步策略对比分析 |
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| 引用本文： | 肖飞,付立军,谢桢.电力电子分布式数字控制网络的同步策略对比分析[J].电力系统自动化,2012,36(13):81-85. |
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| 作者姓名： | 肖飞 付立军 谢桢 |
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| 作者单位： | 1. 浙江大学电气工程学院,浙江省杭州市310027 海军工程大学舰船综合电力技术国防科技重点实验室,湖北省武汉市430033
2. 海军工程大学舰船综合电力技术国防科技重点实验室,湖北省武汉市,430033 |
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| 摘 要： | 基于电力电子标准模块(PEBB)构建的电能变换装置具有低成本、易于重构、高可靠性等优势,采用分布式数字控制结构,其中级联环形拓扑是其通信结构的一种主要解决方案。环网拓扑本身特性决定了实现网络节点间的同步是一个关键技术问题。阐述了2种用于环网拓扑的同步策略,分别为基于网络时钟的同步方法和基于时间戳的同步方法。针对实际运用,从同步精度、同步速度、资源消耗、稳定性等方面对2种同步策略的优劣进行了对比分析。
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| 关 键 词： | 电力电子标准模块 电力电子网络 分布式控制 同步 |
| 收稿时间： | 11/9/2011 8:28:35 PM |
| 修稿时间： | 6/9/2012 10:15:13 AM |
Contrast Analysis on Synchronization Strategies for Power Electronic Distributed Digital Control Network |
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| XIAO Fei,FU Lijun,XIE Zhen.Contrast Analysis on Synchronization Strategies for Power Electronic Distributed Digital Control Network[J].Automation of Electric Power Systems,2012,36(13):81-85. |
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| Authors: | XIAO Fei FU Lijun XIE Zhen |
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| Affiliation: | 1.College of Electrical Engineering,Zhejiang University,Hangzhou 310027,China; 2.National Key Laboratory for Vessel Integrated Power System Technology, Naval University of Engineering,Wuhan 430033,China) |
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| Abstract: | With distributed digital control structure,converters based on power electronics building block(PEBB) are cost low,easy to be reconfigured and highly reliable.The cascaded ring topology is a dominant solution scheme for its communication network.Implementing synchronization among network joints is a key technical problem due to characteristics of the ring network topology.Two synchronization strategies for ring topology network are proposed: one is based on net-clock,and the other is based on time-stamping.For practical application,a contrast analysis between two synchronization strategies are conducted in the aspects of synchronization precision,synchronization speed,resource consumption and stabilization. |
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| Keywords: | power electronics building block (PEBB) power electronic network distributed control synchronization |
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