Modeling and Impedance Analysis of a Single DC Bus-Based Multiple-Source Multiple-Load Electrical Power System

被引：60

作者：

Gao, Fei ^{[1
]}

Bozhko, Serhiy ^{[1
]}

机构：

[1] Univ Nottingham, Dept Elect & Elect Engn, Nottingham NG7 2RD, England

来源：

IEEE TRANSACTIONS ON TRANSPORTATION ELECTRIFICATION | 2016年 / 2卷 / 03期

关键词：

Constant power load (CPL); dc power distribution; droop control; impedance; more-electric aircraft (MEA); stability;

D O I：

10.1109/TTE.2016.2592680

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The impedance-based stability analysis method has been widely used to assess the stability of interconnected systems in more electric transportations. This paper deals with the source/load impedance analysis of the droop-controlled multiple-source multiple-load system, which is a promising candidate in the future more-electric aircraft. This paper develops a mathematical model of a permanent magnet synchronous generator-active front-end generation system, derives the output impedance of the source subsystem including converter dynamics, and shows the effect of parameter variations on the source and load impedance. A dynamic droop controller is proposed to provide active damping to the system. In addition, the impedance analysis is extended to a generalized single bus-based multiple-source multiple-load system in which power losses are also investigated. Finally, the analytical results obtained in this paper are confirmed by the experimental results.

引用

页码：335 / 346

页数：12

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