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A General Approach to Programmable and Reconfigurable Emulation of Power Impedances
File(s)
Author(s)
Li, S
Qi, W
Tan, SC
Hui, SY
Tse, CK
Type
Journal Article
Abstract
Starting with a brief review on the existing methods of impedance emulation, this paper addresses a general and systematic approach to programmable and reconfigurable emulation of power impedances. The proposed approach not only enables the impedance value to be programed, but also allows the characteristics (i.e., type) of the impedance to be reconfigured instantly during the operation. Based on the proposed control method, emulation of at least six types of emulated power impedances (EPI) can be easily attained. In particular, it is theoretically and practically demonstrated that the impedance characteristic can be emulated through a combination of different functions. The systematic derivation of these functions is explained. New techniques that compensate the circuit power losses are introduced. This general approach has been practically verified in several EPI. Both steady-state and dynamic performance of these EPI confirm the programmability and reconfigurability. It is envisaged that the proposed method can be applied to a range of functions, such as power filtering, energy storage, and even power conversion based on direct impedance control.
Date Issued
2017-02-02
Date Acceptance
2017-02-01
Citation
IEEE Transactions on Power Electronics, 2017, 33 (1), pp.259-271
URI
DOI
ISSN
0885-8993
Publisher
Institute of Electrical and Electronics Engineers
Start Page
259
End Page
271
Journal / Book Title
IEEE Transactions on Power Electronics
Volume
33
Issue
1
Copyright Statement
© 2017 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
Subjects
0906 Electrical And Electronic Engineering
Electrical & Electronic Engineering
Publication Status
Published