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- Jacek Rabkowski, Dimosthenis Peftitsis, H.-P. Nee
- 2012 Twenty-Seventh Annual IEEE Applied Powerâ€¦
- 2012

This paper describes the concept, the design, the construction, and experimental investigation of a 40 kVA inverter with Silicon Carbide Junction Field Effect Transistors. The inverter was designedâ€¦ (More)

- Lidong Zhang, Lennart Harnefors, H.-P. Nee
- IEEE Transactions on Power Systems
- 2011

The recently proposed power-synchronization control for grid-connected voltage-source converters (VSCs) has been shown to be a feasible solution for high-voltage direct-current (HVDC) transmissionâ€¦ (More)

- G. D. Demetriades, H.-P. Nee
- 2008 IEEE Power Electronics Specialistsâ€¦
- 2008

In the present paper the steady-state and the dynamic behavior of the dual-active bridge topology have been studied. The small-signal model of the converter has been derived and theoretical andâ€¦ (More)

- Per Ranstad, H.-P. Nee, Jessica Linner
- 2005 European Conference on Power Electronics andâ€¦
- 2005

An novel control strategy of the series loaded resonant converter is presented. The main objective of the control strategy is to minimize the switching losses in the main switching elements (IGBT).â€¦ (More)

- Kelli Ilves, LupÃ©rcio F. Bessegato, Lennart Harnefors, Staffan Norrga, H.-P. Nee
- 2015 9th International Conference on Powerâ€¦
- 2015

The energy variations in each arm of the modular multilevel converter comprises two components. The first component relates to the difference between the instantaneous input and output power of eachâ€¦ (More)

- S. Meier, Staffan Norrga, H.-P. Nee
- 2004

Large offshore wind farms are recently emerging as promising alternative power sources. Long distances between offshore generation and onshore distribution grid demand new solutions for theirâ€¦ (More)

- Niklas Johansson, Lars Angquist, H.-P. Nee
- IEEE Transactions on Power Systems
- 2010

In this paper, a controller for a thyristor switched series capacitor (TSSC) is presented. The controller aims to stabilize the power system by damping interarea power oscillations and by improvingâ€¦ (More)

- Hailian Xie, Lars Angquist, H.-P. Nee
- IEEE Transactions on Power Systems
- 2009

The voltage at the point of common coupling (PCC) in a weak network is very sensitive to load changes. A sudden change in active load will cause both a phase jump and a magnitude fluctuation in theâ€¦ (More)

- N K Johansson, H.-P. Nee, Lars Angquist
- 2006 IEEE Power Engineering Society Generalâ€¦
- 2006

For high performance control of flexible AC transmission system (FACTS) devices with controllable reactances, a representation of the surrounding grid is essential. Using such a model, an adaptiveâ€¦ (More)

- N K Johansson, Lars Angquist, H.-P. Nee
- 2007 IEEE Lausanne Power Tech
- 2007

This paper describes the design and verification of a time-discrete adaptive controller for damping of inter-area power oscillations, power flow control, and transient stability improvement. Onlyâ€¦ (More)