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Power Transmission and Distribution - Siemens

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

High Voltage<br />

Italy Blackout: Transient Recordings from WAMS<br />

f, U, Q Uchtelfangen (D) <strong>and</strong> Heviz (HU)<br />

20 s<br />

Frequency in UCTE<br />

2 min<br />

f max<br />

≅ + 240 mHz<br />

Sources: UCTE Interim Report 10-27-2003 &<br />

VDN/ETG Fachtagung 10-11 Feb. 2004 Jena, Germany<br />

1 h<br />

PTD H 1TM / Re 11-2005 57

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