Dr. Winter
Dr. Winter
Dr. Winter
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Frequency stabilitySystem voltage waveshape during and after system faultsU N [pu]1,11,00,90,80,70,60,51.25 1.50 1.75 2.00 2.25 2.50 2.75 3.00 3.25 3.50 3.75t/sSystem voltage at the connecting point (110 kV)System voltage on the main bus bar in the wind farm (20 kV)System voltage at the wind generator (0.7 kV)System voltage at the wind generator (0.7 kV), voltage controlETG Conference Reliability of Power Supply 5 February 2003 Page 11<strong>Dr</strong>. <strong>Winter</strong> – Grid Planning