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Blackout in Italy 2003-09-2 8

Blackout in Italy 2003-09-2 8. Sture Lindahl 2003-1 0 - 10 Industrial Electrical Engineering and Automation sture.lindahl@iea.lth.se. Introduction. Blackout on 2003-09-28 at 03:28 Affected all Italy except New world record 58 million persons

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Blackout in Italy 2003-09-2 8

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  1. Blackout in Italy2003-09-28 Sture Lindahl 2003-10-10 Industrial Electrical Engineering and Automation sture.lindahl@iea.lth.se

  2. Introduction • Blackout on 2003-09-28 at 03:28 • Affected all Italy except • New world record 58 million persons • No expansion of nuclear power according to referendum • Yearly electric energy import: 17% • Power import: 6 400 MW Sture Lindahl, LTH/IEA

  3. Background • Italy lost all transmission lines from France, Switzerland, Austria and Slovenia • The blame game started • RTE has requested UCTE to carry out a disturbance investigation • UCTE will report on 2003-10-20 Sture Lindahl, LTH/IEA

  4. First Event • At 03:01, sustained outage of the 400 kV Metten – Lavorgo (in Switzerland) • At 03:15, ETRANS called GRTN and requested a reduction of the physical power flow to Italy • The import was reduced by 200 MW down to the agreed 6 400 MW Sture Lindahl, LTH/IEA

  5. Fax Information from Switzerland Sture Lindahl, LTH/IEA

  6. Second Event • At 03:25 the 400 kV Sils-Soasa (in Switzerland) tripped and the reason has not been published Sture Lindahl, LTH/IEA

  7. Fax Information from Switzerland Sture Lindahl, LTH/IEA

  8. Affected Region Sture Lindahl, LTH/IEA

  9. Restoration • At 03:45, restoration co-operation started • At 13:00, the transmission lines to Italy were restored • At that time Italy imported about 85% of the value planned before the blackout • At 15:45, significant parts of Italy was not supplied • At 20:00 most of the load was restored Sture Lindahl, LTH/IEA

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