Input-admittance calculation and shaping for controlled voltage-source converters
Journal article, 2007

A controlled power electronic converter can cause local instabilities when interacting with other dynamic subsystems in a power system. Oscillations at a certain frequency cannot, however, build up if the converter differential input admittance has a positive conductance (real part) at that frequency, since power is then dissipated. In this paper, input-admittance expressions for a voltage-source converter are derived. It is seen how the admittance can be shaped in order to get a positive real part in the desired frequency regions by adjusting the controller parameters.

grid interaction

TORSIONAL INTERACTION

stability

DISSIPATIVE DYNAMICAL-SYSTEMS

oscillations

converter control

passivity

dissipativeness

Author

Lennart Harnefors

Chalmers, Energy and Environment, Electric Power Engineering

Massimo Bongiorno

Chalmers, Energy and Environment, Electric Power Engineering

Stefan Lundberg

Chalmers, Energy and Environment, Electric Power Engineering

IEEE Transactions on Industrial Electronics

0278-0046 (ISSN)

Vol. 54 6 3323-3334

Subject Categories

Electrical Engineering, Electronic Engineering, Information Engineering

DOI

10.1109/tie.2007.904022

More information

Created

10/6/2017