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Power Transmission and Distribution - Siemens

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High Voltage<br />

<strong>Power</strong> <strong>Transmission</strong> <strong>and</strong> <strong>Distribution</strong><br />

TEN Studies on the dynamic Behavior of the<br />

UCTE Network for Stability Improvement<br />

Loss of Stability <strong>and</strong> Trip of Interconnection Lines<br />

∆f [mHz]<br />

Spain Pol<strong>and</strong><br />

No Damping Measures<br />

20<br />

20<br />

Germany<br />

“selected”<br />

PSS in CENTREL<br />

A<br />

B<br />

20<br />

Optimization in Spain only<br />

C<br />

20<br />

Load outage in Spain (500 MW)<br />

Optimization in CENTREL & Spain<br />

40<br />

…only !<br />

D<br />

t [s]<br />

Source: CIGRE Report 38-113, Paris Session 2000<br />

PTD H 1TM / Re 11-2005 43

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