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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Parker, S.G. McGrath, B.P. Holmes, D.G. |
| Copyright Year | 2014 |
| Description | Author affiliation: Sch. of Electr. & Comput. Eng., RMIT Univ., Melbourne, VIC, Australia (Parker, S.G.; McGrath, B.P.; Holmes, D.G.) |
| Abstract | While LCL filters offer significant benefits for grid connected converters, they always require management of their inevitable filter resonance. Many active damping strategies have been proposed to resolve this issue, using various feedback combinations of the converter side, filter capacitor and grid side currents. However, these strategies are often presented as continuous time formulations that ignore the impact of converter PWM delays, and are also not usually evaluated on an exactly comparable basis. This makes it hard to select between them to find the most suitable alternative for a specific context. This paper presents a generalised discrete time model for a grid connected VSI with an LCL filter, fully accounting for all practical converter delays and second order effects. The model is arranged to allow any active damping strategy to be readily integrated and evaluated under identical operating conditions, so that a comprehensive comparative evaluation of its relative damping performance can be easily performed. Experimental and simulation results are presented to compare the relative performance of several well known active damping strategies, to illustrate the capability and flexibility of the generalised model. |
| Starting Page | 2019 |
| Ending Page | 2026 |
| File Size | 3686025 |
| Page Count | 8 |
| File Format | |
| ISBN | 9781479927050 |
| ISSN | 21506086 |
| DOI | 10.1109/IPEC.2014.6869865 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2014-05-18 |
| Publisher Place | Japan |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Context Damping Discrete Time Active Damping LCL Filter Grid Connected Delays Topology Indium phosphide Context modeling |
| Content Type | Text |
| Resource Type | Article |
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