Jimmy Ehnberg

Researcher at Power grids and Components

Jimmy Ehnberg got his MSc. Degree in electrical engineering at Lunds Institute of Technology at the University of Lund in 2001. He got Lic. eng. and Ph.D. degree from Chalmers in 2003 and 2007, respectively. Today he is working as project coordinator at Elteknik in Smart grids and his research interest are among others distribution grids and integration of renewables to the grid. He is also a co-founder of STEEP-RES that is a multidisciplinary research group focusing on renewable electricity production for autonomous grids in developing countries. Jimmy is director of the master's programme in Electric power engineering.

Source: chalmers.se

Showing 38 publications

2020

Approach for flexible and adaptive distribution and transformation design in rural electrification and its implications

Jimmy Ehnberg, Helene Ahlborg, Elias Hartvigsson
Energy for Sustainable Development. Vol. 54, p. 101-110
Journal article
2019

Increased Value of Demand Side Management by Reshaping the Load Duration Curve with Wind and Solar Power

Jimmy Ehnberg, Anders Mannikoff
Proceedings of 2019 IEEE PES Innovative Smart Grid Technologies Europe, ISGT-Europe 2019
Paper in proceedings
2019

Final Project Report of Cloudgrid

E. Hillberg, Jimmy Ehnberg, Elisabetta Tedeschi et al
Report
Show project
2019

Categorisation of Ancillary Services for Providers

Jimmy Ehnberg, O. Lennerhag, E. Hillberg et al
Latvian Journal of Physics and Technical Sciences. Vol. 56 (1), p. 3-20
Journal article
2016

Flexible distribution design in microgrids for dynamic power demand in low-income communities

Jimmy Ehnberg, Helene Ahlborg, Elias Hartvigsson
IEEE PES PowerAfrica Conference, Livingstone, ZAMBIA, JUN 28-JUL 03, 2016, p. 179-183
Paper in proceedings
2016

Using system dynamics for long term bottom-up electric load modeling in rural electrification

Elias Hartvigsson, Jimmy Ehnberg, Erik Ahlgren et al
International System Dynamics Conference
Paper in proceedings
2015

A Probabilistic Model for Hydrokinetic Turbine Collision Risks: Exploring Impacts on Fish

Linus Hammar, Linda Eggertsen, Sandra Andersson et al
PLoS ONE. Vol. 10 (3), p. e0117756-
Journal article
2015

Rural Electrification Through Minigrids in Developing Countries: Initial Generation Capacity Effect on Cost-Recovery

Elias Hartvigsson, Erik Ahlgren, Jimmy Ehnberg et al
International Conference of the System Dynamics Society
Paper in proceedings
2015

Assessment of Load Profiles in Minigrids: A Case in Tanzania

Elias Hartvigsson, Jimmy Ehnberg, Erik Ahlgren et al
50th International Universities Power Engineering Conference, UPEC 2015, p. Article no. 7339818-
Paper in proceedings
2014

Utilising excess power: the case of electrofuels for transport

Maria Grahn, Maria Taljegård, Jimmy Ehnberg et al
Systems Perspectives on Renewable Power 2014, p. 128-137
Book chapter
2014

Nyttiggörande av överskottsel: fallet elektrobränslen

Maria Grahn, Maria Taljegård, Jimmy Ehnberg et al
Perspektiv på förnybar el 2014, p. 26-27
Book chapter
2014

Grid and storage

Jimmy Ehnberg, Yujing Liu, Maria Grahn
Systems Perspectives on Renewable Power 2014, p. 46-59
Book chapter
2014

Nät och elenergilager

Jimmy Ehnberg, Yujing Liu, Maria Grahn
Perspektiv på förnybar el 2014, p. 14-15
Book chapter
2013

Hydrokinetic Turbine Effects on Fish Swimming Behaviour

Linus Hammar, Sandra Andersson, Linda Eggertsen et al
PLoS ONE. Vol. 8 (12), p. artikel nr e84141-
Journal article
2013

Who should be afraid of a tidal turbine - the good the bad or the ugly?

Linus Hammar, Jimmy Ehnberg
10th European Wave and Tidal Energy Conference Series, p. 6-
Paper in proceedings
2013

Optimization of Off-Shore Wind Power Plants Collection Grids

Jimmy Ehnberg, Elena Malz
12th Wind Integration Workshop
Paper in proceedings
2013

A Novel Protection Strategy for Internal Faults for HVDC Connected MVDC Collection Grids for Wind Power Plants

Jimmy Ehnberg, Thomas Nordlander, Anders Holm
12th Wind Integration Workshop
Paper in proceedings
2012

Stereo-Video Methodology for Quantitative Analysis of Fish-Turbine Interactions

Linus Hammar, Jimmy Ehnberg, Linda Eggertsen et al
1st Asian Wave and Tidal Conference Series, p. 8-
Paper in proceedings
2012

Simplified site-screening method for micro tidal current turbines applied in Mozambique

Linus Hammar, Jimmy Ehnberg, Alberto Mavume et al
Renewable Energy. Vol. 2012 (44), p. 414-422
Journal article
2012

Renewable ocean energy in the Western Indian Ocean

Linus Hammar, Jimmy Ehnberg, Alberto Mavume et al
Renewable and Sustainable Energy Reviews. Vol. 16 (7), p. 4938-4950
Journal article
2010

Electrification based on small electricity grids in Africa - ocean energy in combination with land-based energy sources

Linus Hammar, Jimmy Ehnberg, Sverker Molander
Modern Energy Review. Vol. 2, p. 71-72
Magazine article
2009

Ocean energy in combination with land-based renewable energy sources: appropriate technology for smaller electricity grids in Africa?

Sverker Molander, Linus Hammar, Jimmy Ehnberg et al
Oral presentation, 8th European Wave and Tidal Energy Conference, EWTEC 2009, Uppsala, Sweden 2009
Conference contribution
2009

Ocean energy in combination with land-based renewable energy sources: appropriate technology for smaller electricity grids in Africa?

Linus Hammar, Jimmy Ehnberg, Martin Gullström et al
Proceedings of the 8th European Wave and Tidal Energy Conference, Uppsala, Sweden, September 2009
Conference contribution
2006

Reverse Motor Control for CCLs in AC Hybrid Minigrids

Jimmy Ehnberg, Evert Agneholm
3rd European conference on PV-hybrid and Mini-grid, p. 138-143
Paper in proceedings
2005

Reliability of a small power system using solar power and hydro

Jimmy Ehnberg, Mathias Bollen
Electric Power Systems Research. Vol. 74 (1), p. 119-127
Journal article
2005

MAXIMAL USE OF RENEWABLES IN SMALL ISOLATED POWER SYSTEMS

Jimmy Ehnberg, Evert Agneholm
Cigre Symposium: Power Systems with Dispersed Generation Athens 13-16 April 2005
Paper in proceedings
2005

Simulation of global solar radiation based on cloud observations

Jimmy Ehnberg, Mathias Bollen
Solar Energy. Vol. 78 (1), p. 157-162
Journal article
2004

Generation Reliability for Small Isolated Power Systems entirely based on Renewable Sources

Jimmy Ehnberg, Mathias Bollen
2004 IEEE Power Engineering Society General Meeting; Denver, CO; United States; 6 June 2004 through 10 June 2004. Vol. 2, p. 2322-2327
Paper in proceedings
2004

Reliability of a Small Isolated Power System in Remote Areas Based on Wind Power

Jimmy Ehnberg, Mathias Bollen
NORDIC WIND POWER CONFERENCE 2004,
Conference contribution
2003

SIMULATION OF GLOBAL SOLAR RADIATION BASED ON CLOUD OBSERVATIONS

Jimmy Ehnberg, Mathias Bollen
ISES SWC 2003
Conference contribution
2003

Effects of Surface Charge Accumulation on Impulse Flashover Voltage on Silicone Rubber Surface

Jimmy Ehnberg, Jörgen Blennow
XIIIth International Symposium on High Voltage Engineering, p. P.12.17-
Conference contribution

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Showing 4 research projects

2018–

Rural electrification

Elias Hartvigsson Energy Technology 1
Jimmy Ehnberg Power grids and Components
Mikael Odenberger Energy Technology 2
Chalmers

2016–2019

Transnational CLOUD for Interconnection of Demonstration Facilities for Smart GRID Lab Research & Development

Jimmy Ehnberg Electric Power Engineering
Swedish Energy Agency

2012–2015

Providing Renewable Energy Technologies to Productive Use for Rural Electrification (STEEP-RES II)

Sverker Molander Environmental Systems Analysis
Jimmy Ehnberg Electric Power Engineering
Joseph Maskaraa Ngowi Energy Technology
Linus Hammar Environmental Systems Analysis
Helene Ahlborg Environmental Systems Analysis
Erik Ahlgren Energy Technology
Formas

2011–2015

Research Cooperation between Sweden and the University of Dar es Salaam (UDSM) – Renewable Energy Program

Sverker Molander Environmental Systems Analysis
Erik Ahlgren Energy Technology
Jimmy Ehnberg Electric Power Engineering
Ola Carlson Electric Power Engineering
SIDA

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