Title :
Stability Approach for Vehicles DC Power Network: Application to Aircraft On-board System
Author :
Barruel, F. ; Retière, N. ; Schanen, J.L. ; Caisley, A.
Author_Institution :
Laboratoire d´´Electrotechnique de Grenoble, St. Martin d´´Heres
Abstract :
Vehicles of the future stores, transports and use large amounts of electrical energy. The main components of DC networks are power electronic converters. Combinations of such converters are known to be unstable in certain situations. By investigating the causes of instability and comparing current methods, a state space representation is chosen for converter modelling. The concepts of sensitivity and participation factors applied to network models are proposed to address the requirement for algorithms aimed at optimisation. Conclusions are drawn for converters under development for aircraft systems. It is possible to identify parameters responsible for instability, sensitivity to network parameters at different operating points and the safety margins available. Thanks to this method, passive elements are optimised by reducing their global weight and volume
Keywords :
aircraft power systems; electrical safety; power convertors; stability; aircraft onboard system; converter modelling; electrical energy; network parameter sensitivity; passive elements; power electronic converters; safety margins; stability approach; state space representation; vehicle DC power networks; Aircraft; Automobiles; Circuit testing; Optimization methods; Power electronics; Power system modeling; Safety; Stability analysis; State-space methods; Vehicles;
Conference_Titel :
Power Electronics Specialists Conference, 2005. PESC '05. IEEE 36th
Conference_Location :
Recife
Print_ISBN :
0-7803-9033-4
DOI :
10.1109/PESC.2005.1581776