Patrik Ollas

Publications (13)
Projects (0)

Showing 13 publications

2024

Enhanced DC Building Distribution Performance Using a Modular Grid-Tied Converter Design

Patrik Ollas, Torbjörn Thiringer, Mattias Persson

Energies. Vol. 17 (13)

Journal article

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2024

Buildings' Transition to Active Nodes: Assessing the Viability of DC Distribution, PV and Battery Storage

Patrik Ollas

Doctoral thesis

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2023

Energy Loss Savings Using Direct Current Distribution in a Residential Building with Solar Photovoltaic and Battery Storage

Patrik Ollas, Torbjörn Thiringer, Mattias Persson et al

Energies. Vol. 16 (3)

Journal article

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2023

Reducing electrical losses in buildings: a study of load-side dc/dc converter topologies for low-power appliances

Patrik Ollas, Torbjörn Thiringer, Niclas Samuelsson et al

IEEE PES Innovative Smart Grid Technologies Conference Europe

Paper in proceeding

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2023

Battery loss prediction using various loss models: A case study for a residential building

Patrik Ollas, Torbjörn Thiringer, Mattias Persson et al

Journal of Energy Storage. Vol. 70

Journal article

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2023

Evaluating the role of solar photovoltaic and battery storage in supporting electric aviation and vehicle infrastructure at Visby Airport

Patrik Ollas, Sara Ghaem Sigarchian, Hampus Alfredsson et al

Applied Energy. Vol. 352

Journal article

2021

Technical Performance Evaluation of BIPV and BAPV Systems

Patrik Ollas, Jon Persson, Peter Kovacs

EU PVSEC Conference Proceedings, p. 1071-1076

Paper in proceeding

2021

Effect of Energy Storage on Self-Consumption and Self-Sufficiency: A Field Study in a Nordic Climate

Patrik Ollas, Jon Persson, Peter Kovacs

EU PVSEC Conference Proceedings, p. 1459-1463

Paper in proceeding

2021

Increased photovoltaic utilisation from direct current distribution: Quantification of geographical location impact

Patrik Ollas, Torbjörn Thiringer, Huijuan Chen et al

Progress in Photovoltaics: Research and Applications. Vol. 29 (7), p. 846-856

Journal article

2020

Increased PV Utilisation from DC Distribution: Quantification of Geographical Location Impact

Patrik Ollas, Torbjörn Thiringer, Caroline S Markusson

EU PVSEC Proceedings, p. 1432-1441

Paper in proceeding

2020

Quasi-Dynamic Modelling of DC Operated Ground-Source Heat Pump

Patrik Ollas, Caroline S Markusson, Torbjörn Thiringer

SINTEF Proceedings. Vol. 5, p. 208-213

Paper in proceeding

2020

Energy Savings Using a Direct-Current Distribution Network in a PV and Battery Equipped Residential Building

Patrik Ollas

Licentiate thesis

2018

Impact of Battery Sizing on Self-Consumption, Self-Sufficiency and Peak Power Demand for a Low Energy Single-Family House With PV Production in Sweden

Patrik Ollas, Jon Persson, Caroline Markusson et al

IEEE Photovoltaic Specialists Conference, p. 0618-0623

Paper in proceeding

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