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Modeling and Stability Analysis of LCL-Filter-Based Voltage Source Inverters

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Modeling and Control of Power Electronic Converters for Microgrid Applications

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Abstract

In this chapter, a tutorial on the parameter design of the LCL filter is presented, as well as the modeling and stability analysis of the LCL-type grid-connected inverters. Then, the generalized parameter design constraints of the LCL filter are introduced and various damping methods for enhancing individual internal stability. Besides, the impedance-based method for evaluating system-level interactive stability is introduced, with the emphasis on the different modeling methods of inverter output impedance and online impedance measurement techniques. Next, the benchmark system for stability analysis of grid-connected LCL-type inverters is presented, where the impedance-based stability analysis approach is applied for stability evaluations using proportional-resonant (PR) and synchronous reference frame proportional-integral (SRF-PI) controllers. Finally, future research trends on the modeling and stability analysis of LCL-type grid-connected inverters are also presented.

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Authors and Affiliations

  1. University of Electronic Science and Technology of China, Chengdu, China

    Yang Han

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  1. Yang Han
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Han, Y. (2022). Modeling and Stability Analysis of LCL-Filter-Based Voltage Source Inverters. In: Modeling and Control of Power Electronic Converters for Microgrid Applications. Springer, Cham. https://doi.org/10.1007/978-3-030-74513-4_2

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  • DOI: https://doi.org/10.1007/978-3-030-74513-4_2

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-030-74512-7

  • Online ISBN: 978-3-030-74513-4

  • eBook Packages: EnergyEnergy (R0)

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