Title :
Impact of long-distance power transits on the dynamic security of large interconnected power systems
Author :
Fischer, A. ; Erlich, I.
Author_Institution :
Dept. of Electr. Power Syst., Duisburg Univ., Germany
Abstract :
In this paper, results of several case studies applying small signal stability analysis to the European UCTE/CENTREL interconnected power system and two test networks are presented. It is shown, that the impact of long-distance power transits on the damping of interarea modes depends on the orientation of the power transits to the nodes and antinodes in the corresponding rotor mode shapes. Transits from generators located in antinode areas to nodes may improve the damping. Transits from node to antinode may worsen the damping. The described rules can be used for prediction of the qualitative impact of power transits on the damping within online oscillatory stability assessment
Keywords :
damping; oscillations; power system interconnection; power system stability; power transmission; European UCTE/CENTREL interconnected power system; antinode areas; dynamic security; interarea modes damping; large interconnected power systems; long-distance power transits; modal analysis; online oscillatory stability assessment; oscillatory stability; power transits; rotor mode shapes; small-signal security assessment; Damping; Power system analysis computing; Power system dynamics; Power system interconnection; Power system security; Power system stability; Rotors; Shape; Stability analysis; System testing;
Conference_Titel :
Power Tech Proceedings, 2001 IEEE Porto
Conference_Location :
Porto
Print_ISBN :
0-7803-7139-9
DOI :
10.1109/PTC.2001.964718
