Lars Abrahamsson

发表

Use of converters for feeding of AC railways for all frequencies

Stefan Östlund, Lars Abrahamsson, Thorsten Schütte, 2012 .

A portal based system for indoor environs

Lars Abrahamsson, 2006 .

Railway Power Supply Models and Methods for Long-term Investment Analysis

Lars Abrahamsson, 2008 .

An SOS2-based moving trains,fixed nodes, railway power system simulator

Lennart Söder, Lars Abrahamsson, 2014 .

Evaluating a Constant-Current Load Model Through Comparative Transient Stability Case-Studies of a Synchronous-Synchronous Rotary Frequency Converter-Fed Railway

Math Bollen, Lars Abrahamsson, John Laury, 2019 .

Fast Estimation of Aggregated Results of Many Load Flow Solutions in Electric Traction Systems

Lennart Söder, Lars Abrahamsson, 2008 .

Min förskrivning - en e-tjänst för dig inom vården

Lars Abrahamsson, 2017 .

Dynamic Line Rating Operational Planning : Issues and Challenges

Math Bollen, Lars Abrahamsson, Seyede Fatemeh Hajeforosh, 2019 .

Compression of Multi Channel Audio at Low Bit Rates Using the AMR-WB+ Codec

Lars Abrahamsson, 2005 .

Railway Power Supply Investment Decisions Considering the Voltage Drops - Assuming the Future Traffic to Be Known

Lars Abrahamsson, Lennart Soder, 2009, 2009 15th International Conference on Intelligent System Applications to Power Systems.

Optimal drift och dimensionering avbanmatningssystem : Slutrapport Elektraprojekt

Lars Abrahamsson, 2016 .

Potential of using Low Voltage Direct Current in local distribution network to improve the overall efficiency Master thesis report

Lennart Söder, Lars Abrahamsson, Lazhar Kebbabi, 2011 .

Bahnenergie-Primärerzeugung 16 2/3 Hz in Norwegen und Schweden : Primary Generation of 16 2/3 Hz Railway Power in Norway and Sweden (original title in German)

Lars Abrahamsson, Carlos Siles Blacutt, Thorsten Schütte, 2010 .

Läkemedelskampanjen "Må bra utan piller"

Lars Abrahamsson, 2011 .

An electromechanical moving load fixed node position and fixed node number railway power supply systems optimization model

Lennart Söder, Stefan Östlund, Lars Abrahamsson, 2013 .

Modern methods for balancing of single phase loads when feeding a.c. electrified railways

Lars Abrahamsson, Thorsten Schütte, Radu Belea, 2017 .

A Variable No-Load Voltage Scheme for Improving Energy Efficiency in DC-Electrified Mass Transit Systems

Lennart Söder, Stefan Östlund, Paloma Cucala, 2014 .

Operation simulation of traction systems

Lennart Söder, Lars Abrahamsson, 2008 .

AC cables strengthening railway low frequency AC power supply systems — A deepened study

Lars Abrahamsson, 2017, 2017 Australasian Universities Power Engineering Conference (AUPEC).

Reliability Evaluation of Traction Power Capacity in Converter-fed Railway Systems

Lars Abrahamsson, Yasser Ahmed Mahmood, Alireza Ahmadi, 2016 .

Fast calculation of some important dimensioning factors of the railway power supply system

Lennart Söder, Lars Abrahamsson, 2007 .

Optimal Railroad Power Supply System Operation and Design : Detailed system studies, and aggregated investment models

Lars Abrahamsson, L. Abrahamsson, Lars Abrahamsson, 2012 .

A rotary frequency converter model for electromechanical transient studies of 16$\frac{2}{3}$ Hz railway systems.

Math Bollen, Lars Abrahamsson, John Laury, 2018 .

OPF for an HVDC feeder solution for railway power supply systems

Stefan Östlund, Lars Abrahamsson, John Laury, 2012 .

HVDC Feeder Solution for Electric Railways

Lars Abrahamsson, Tommy Kjellqvist, Stefan Östlund, 2012 .

Traction Power System Capacity Limitations at Various Traffic Levels

Lennart Söder, Lars Abrahamsson, 2011 .

A simplified static frequency converter model for electromechanical transient stability studies of 16 2/3 Hz railways

Math Bollen, Lars Abrahamsson, John Laury, 2018 .

Transient Stability of Rotary Frequency Converter Fed Low Frequency Railway Grids: The Impact of Different Grid Impedances and Different Converter Station Configurations

Math Bollen, Lars Abrahamsson, John Laury, 2018 .

Optimal PowerFlow (OPF) Model with Unified AC-DC Load Flow and Optimal Commitmentfor an AC-catenary Railway Power Supply System (RPSS) fed by aHigh Voltage DC (HVDC) transmission line

Lennart Söder, Stefan Östlund, Lars Abrahamsson, 2013 .

Transient stability analysis of low frequency railway grids

Math Bollen, Lars Abrahamsson, John Laury, 2016 .

A rotary frequency converter model for electromechanical transient studies of 1623 Hz railway systems

Math Bollen, Lars Abrahamsson, John Laury, 2019 .

AC Cables Strengthening Railway Low Frequency AC Power Supply Systems

Math Bollen, Lars Abrahamsson, John Laury, 2017 .

Modified Voltage Control Law for Low Frequency Railway Power Systems

Math Bollen, Lars Abrahamsson, John Laury, 2017 .

Electrical railway power supply systems: Current situation and future trends

Lars Abrahamsson, J. Sanz-Feito, Sandra Castano-Solis, 2017 .

AC cables strengthening low frequency AC railway with purely active power loads

Lars Abrahamsson, 2018, 2018 IEEE Power & Energy Society General Meeting (PESGM).

Optimizing the Power Flows in a Railway Power Supply System Fed by Rotary Converters

Stefan Östlund, Lars Abrahamsson, 2015 .

IDENTIFYING ELECTRICALLY INFEASIBLE TRAFFIC SCENARIOS ON THE IRON ORE LINE; APPLIED ON THE PRESENT-DAY SYSTEM, CONVERTER STATION OUTAGES, AND OPTIMAL LOCOMOTIVE REACTIVE POWER STRATEGIES

Lennart Söder, Stefan Östlund, Lars Abrahamsson, 2015 .

Fast Estimation of Relations Between Aggregated Train Power System Data and Traffic Performance

Lennart Söder, Lars Abrahamsson, 2011, IEEE Transactions on Vehicular Technology.

High-voltage DC-feeder solution for electric railways

Stefan Östlund, Lars Abrahamsson, Tommy Kjellqvist, 2012 .