CLC number: TP271
On-line Access: 2021-12-23
Received: 2021-05-27
Revision Accepted: 2021-11-28
Crosschecked: 2021-12-09
Cited: 0
Clicked: 2798
Citations: Bibtex RefMan EndNote GB/T7714
Yujia Zang, Yanhu Chen, Canjun Yang, Haoyu Zhang, Zhiyong Duan, Gul Muhammad. A stepless-power-reconfigurable converter for a constant current underwater observatory[J]. Frontiers of Information Technology & Electronic Engineering,in press.https://doi.org/10.1631/FITEE.2100259 @article{title="A stepless-power-reconfigurable converter for a constant current underwater observatory", %0 Journal Article TY - JOUR
一种面向恒流输电水下观测网的无级功率重构转换器1浙江大学流体动力与机电系统国家重点实验室,中国杭州市,310027 2季华实验室,中国佛山市,528200 摘要:恒流(CC)电能到恒压(CV)电能的转换是恒流输电水下观测网的关键技术之一。该系统通常采用具有高稳定性和高可靠性的并联稳压器以稳定输出电压。然而,并联稳压方法存在高热损耗和低转换效率的缺点。本文对传统并联稳压方法进行改进,提出一种CC/CV转换模块的无级功率重构方法。针对稳定负载或缓慢变化负载的应用场景,介绍两种无级功率重构转换模式:(1)基于单环控制的手动无级功率重构(MSPR);(2)基于内-外环控制的自动无级功率重构(ASPR)。所述方法在保证系统留有预设功率裕度的同时,可以尽可能减少并联稳压方法中不必要的能量损失。分析了该方法的转换效率,讨论了系统关键参数选择方法。实验结果表明,MSPR和ASPR方法均保留了并联稳压方法的高稳定优点,同时降低了CC/CV转换模块的热耗散,提高了CC/CV转换效率。 关键词组: Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article
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