Stability analysis of single-phase grid-feeding inverters with PLL using Harmonic Linearisation and Linear Time Periodic (LTP) theory

Salis, Valerio and Costabeber, Alessando and Zanchetta, Pericle and Cox, Stephen M. (2016) Stability analysis of single-phase grid-feeding inverters with PLL using Harmonic Linearisation and Linear Time Periodic (LTP) theory. In: IEEE 17th Workshop on Control and Modeling for Power Electronics (COMPEL 2016), 27-30 Jun 2017, Trondheim, Norway.

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Abstract

A general method for the stability analysis of power converters is presented in this paper. The method is based on Harmonic Linearisation and Linear Time Periodic (LTP) analysis techniques and a single-phase grid-feeding inverter with PLL is considered as case study. Although stability analysis has been developed using the average model of the converter, the obtained results can be extended to the switching model and it is possible to evaluate precisely the boundary between stability and instability.

Item Type: Conference or Workshop Item (Paper)
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Keywords: Harmonic linearisation, Linear time periodic systems, Harmonic state space representation, Stability analysis, Power converters, PLL
Schools/Departments: University of Nottingham, UK > Faculty of Engineering > Department of Electrical and Electronic Engineering
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Depositing User: Burns, Rebecca
Date Deposited: 21 Sep 2017 08:53
Last Modified: 23 Oct 2017 16:09
URI: http://eprints.nottingham.ac.uk/id/eprint/46551

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