Adaptive voltage regulation of an inverter-based power distribution network with a class of droop controllers

Michelle S. Chong; Henrik Sandberg

doi:10.1016/j.ifacol.2020.12.1301

Adaptive voltage regulation of an inverter-based power distribution network with a class of droop controllers

Michelle S. Chong (Corresponding author), Henrik Sandberg (Corresponding author)

Research output: Contribution to journal › Conference article › peer-review

2 Citations (Scopus)

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Abstract

The voltage received by each customer connected to a power distribution line with local controllers (inverters) is regulated to be within a desired margin through a class of slope-restricted controllers, known conventionally as droop controllers. We adapt the design of the droop controllers according to the known bounds of the net power consumption of each customer in each observation time window. A sufficient condition for voltage regulation is provided for each time window, which guides the design of the droop controllers, depending on the properties of the distribution line (line impedances) and the upper bound of all the customers' power consumption during each time window. The resulting adaptive scheme is verified on a benchmark model of a European low-voltage network by the CIGRE task force.

Original language	English
Pages (from-to)	12416-12421
Number of pages	6
Journal	IFAC-PapersOnLine
Volume	53
Issue number	2
DOIs	https://doi.org/10.1016/j.ifacol.2020.12.1301
Publication status	Published - 2020
Event	21st World Congress of the International Federation of Aufomatic Control (IFAC 2020 World Congress) - Berlin, Germany Duration: 12 Jul 2020 → 17 Jul 2020 Conference number: 21 https://www.ifac2020.org/

Bibliographical note

Funding Information:
(grant 2016-0861), the Swedish Energy Agency (project LarGo!), and t★heThSiwsewdiosrhkCisivsiul pCpoonrttiendgeinncpieasrtAbgyentchye(SpwroejdeicsthCREeRseCaErcSh).Council (grant 2016-0861), the Swedish Energy Agency (project LarGo!), and the Swedish Civil Contingencies Agency (project CERCES).

Funding Information:javascript:void(0);
This work is supported in part by the Swedish Research Council (grant 2016-0861), the Swedish Energy Agency (project LarGo!), and the Swedish Civil Contingencies Agency (project CERCES). We are thankful to Catalin Gavriluta and David Umsonst for the discussions leading to this work and for reproducing Figure 2 from Strunz et al. (2009).

Funding

(grant 2016-0861), the Swedish Energy Agency (project LarGo!), and t★heThSiwsewdiosrhkCisivsiul pCpoonrttiendgeinncpieasrtAbgyentchye(SpwroejdeicsthCREeRseCaErcSh).Council (grant 2016-0861), the Swedish Energy Agency (project LarGo!), and the Swedish Civil Contingencies Agency (project CERCES). This work is supported in part by the Swedish Research Council (grant 2016-0861), the Swedish Energy Agency (project LarGo!), and the Swedish Civil Contingencies Agency (project CERCES). We are thankful to Catalin Gavriluta and David Umsonst for the discussions leading to this work and for reproducing Figure 2 from Strunz et al. (2009).

Keywords

Nonlinear control
Power distribution
Power-system control

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10.1016/j.ifacol.2020.12.1301

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title = "Adaptive voltage regulation of an inverter-based power distribution network with a class of droop controllers",

abstract = "The voltage received by each customer connected to a power distribution line with local controllers (inverters) is regulated to be within a desired margin through a class of slope-restricted controllers, known conventionally as droop controllers. We adapt the design of the droop controllers according to the known bounds of the net power consumption of each customer in each observation time window. A sufficient condition for voltage regulation is provided for each time window, which guides the design of the droop controllers, depending on the properties of the distribution line (line impedances) and the upper bound of all the customers' power consumption during each time window. The resulting adaptive scheme is verified on a benchmark model of a European low-voltage network by the CIGRE task force.",

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AB - The voltage received by each customer connected to a power distribution line with local controllers (inverters) is regulated to be within a desired margin through a class of slope-restricted controllers, known conventionally as droop controllers. We adapt the design of the droop controllers according to the known bounds of the net power consumption of each customer in each observation time window. A sufficient condition for voltage regulation is provided for each time window, which guides the design of the droop controllers, depending on the properties of the distribution line (line impedances) and the upper bound of all the customers' power consumption during each time window. The resulting adaptive scheme is verified on a benchmark model of a European low-voltage network by the CIGRE task force.

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KW - Power-system control

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Adaptive voltage regulation of an inverter-based power distribution network with a class of droop controllers

Abstract

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Keywords

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