基于分频复虚阻抗的恒压频控制策略

2017 IEEE 12th International Conference on Power Electronics and Drive Systems (PEDS) Pub Date : 2017-12-01 DOI:10.1109/PEDS.2017.8289104

Yan Li, Xiangyue Shi, Fayun Zhou, Yufei Yue, P. Gou, Xucheng Huang

{"title":"基于分频复虚阻抗的恒压频控制策略","authors":"Yan Li, Xiangyue Shi, Fayun Zhou, Yufei Yue, P. Gou, Xucheng Huang","doi":"10.1109/PEDS.2017.8289104","DOIUrl":null,"url":null,"abstract":"A constant voltage-frequency parallel control method based on dividing frequency complex virtual impedance is proposed in this paper. First, the output current, the LC filter capacitor voltage and output current by each of the inverters are separated into fundamental and each harmonic. Set the dividing frequency virtual negative impedance which contains the virtual negative impedance and the virtual resistance of fundamental and each harmonic. The virtual negative impedance is set to offset the accurately measured part in the line impedance. Put the fundamental and each order harmonic virtual impedance into the fundamental and each harmonic voltage feedback loop in order to modify the voltage control loop. The method improves the output voltage quality of each parallel inverter effectively and suppresses the circulation when system with nonlinear loads. The simulation results are provided to verify the validity of the control strategy.","PeriodicalId":411916,"journal":{"name":"2017 IEEE 12th International Conference on Power Electronics and Drive Systems (PEDS)","volume":"28 5 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2017-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"A constant voltage-frequency control strategy based on dividing frequency complex virtual impedance\",\"authors\":\"Yan Li, Xiangyue Shi, Fayun Zhou, Yufei Yue, P. Gou, Xucheng Huang\",\"doi\":\"10.1109/PEDS.2017.8289104\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"A constant voltage-frequency parallel control method based on dividing frequency complex virtual impedance is proposed in this paper. First, the output current, the LC filter capacitor voltage and output current by each of the inverters are separated into fundamental and each harmonic. Set the dividing frequency virtual negative impedance which contains the virtual negative impedance and the virtual resistance of fundamental and each harmonic. The virtual negative impedance is set to offset the accurately measured part in the line impedance. Put the fundamental and each order harmonic virtual impedance into the fundamental and each harmonic voltage feedback loop in order to modify the voltage control loop. The method improves the output voltage quality of each parallel inverter effectively and suppresses the circulation when system with nonlinear loads. The simulation results are provided to verify the validity of the control strategy.\",\"PeriodicalId\":411916,\"journal\":{\"name\":\"2017 IEEE 12th International Conference on Power Electronics and Drive Systems (PEDS)\",\"volume\":\"28 5 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2017-12-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2017 IEEE 12th International Conference on Power Electronics and Drive Systems (PEDS)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/PEDS.2017.8289104\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2017 IEEE 12th International Conference on Power Electronics and Drive Systems (PEDS)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/PEDS.2017.8289104","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}

引用次数: 0

摘要

提出了一种基于分频复虚阻抗的恒压频并联控制方法。首先，每个逆变器的输出电流、LC滤波电容电压和输出电流被分离成基波和各谐波。设置分频虚负阻抗，其中包含基波虚负阻抗和各谐波虚电阻。设置虚拟负阻抗来抵消线路阻抗中被精确测量的部分。将基波和各阶谐波虚拟阻抗放入基波和各阶谐波电压反馈回路中，以修改电压控制回路。该方法有效地改善了各并联逆变器的输出电压质量，抑制了系统非线性负载时的环流。仿真结果验证了控制策略的有效性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

查看原文本刊更多论文

A constant voltage-frequency control strategy based on dividing frequency complex virtual impedance

A constant voltage-frequency parallel control method based on dividing frequency complex virtual impedance is proposed in this paper. First, the output current, the LC filter capacitor voltage and output current by each of the inverters are separated into fundamental and each harmonic. Set the dividing frequency virtual negative impedance which contains the virtual negative impedance and the virtual resistance of fundamental and each harmonic. The virtual negative impedance is set to offset the accurately measured part in the line impedance. Put the fundamental and each order harmonic virtual impedance into the fundamental and each harmonic voltage feedback loop in order to modify the voltage control loop. The method improves the output voltage quality of each parallel inverter effectively and suppresses the circulation when system with nonlinear loads. The simulation results are provided to verify the validity of the control strategy.

求助全文

通过发布文献求助，成功后即可免费获取论文全文。去求助

来源期刊

2017 IEEE 12th International Conference on Power Electronics and Drive Systems (PEDS)

自引率

0.00%

发文量