LCL Filter Design with EMI Noise Consideration for Grid-Connected Inverter
Yitao Liu,Ching-Ming Lai +1 more
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TLDR
In this article, the magnetic components of the LCL filter used in harmonic control and EMI reduction of the silicon carbide (SiC) grid-connected inverter in the MEA were designed with effective harmonic attenuation and a compact size.Abstract:
The grid-injected current total harmonics distortion (THD) and electromagnetic interference (EMI) noise must be considered in a transformer-less grid-connected inverter for a more electric aircraft (MEA) system. This paper develops a procedure for the design of the magnetic components of the LCL filter used in harmonic control and EMI reduction of the silicon carbide (SiC) grid-connected inverter in the MEA. The LCL filter is designed with effective harmonic attenuation and a compact size. To meet the space constraint requirement, specific design attention is focused on a customized amorphous cored inductor, with a comprehensive study of the relationships of inductor winding with respect to EMI noise. Reduced THD and EMI are verified through experiments performed on a 30 kW, 230 V/400 Hz three-phase grid-connected inverter prototype with the LCL filter.read more
Citations
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LCL Filter Parameter and Hardware Design Methodology for Minimum Volume Considering Capacitor Lifetimes
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References
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TL;DR: In this article, a step-by-step procedure for designing the LCL filter of a front-end three-phase active rectifier is proposed to reduce the switching frequency ripple at a reasonable cost, while at the same time achieving a high-performance front end rectifier.
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More Electric Aircraft: Review, Challenges, and Opportunities for Commercial Transport Aircraft
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Overview of Electric Motor Technologies Used for More Electric Aircraft (MEA)
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TL;DR: In this paper, a design procedure for the mains side LCL filter of an active three-phase rectifier is introduced, based on a generic optimization approach, which guarantees a low volume and/or low losses.