The Paris area EHV grid Return to Session JICABLE 2007 2 EHV - PowerPoint PPT Presentation

Return to Session The Paris area EHV grid

Return to Session JICABLE 2007 2 EHV underground network in France � The UGC network (> 50 kV) represents 3260 km � RTE EHV grid : 3 rd in the world and 1 st in Europe with 906 km � All big cities are supplied with 225 kV 1 000 Length of underground lines 800 > 220 kV (km) 600 400 200 0 Denmark France Germany Italy Netherlands Spain United Kingdom Source CIGRE WG B1.07

Return to Session JICABLE 2007 3 Evolution of RTE’s UGC length 3 500 3 000 2 500 Lenght (km) 2 000 HV 1 500 1 000 500 EHV 0 1965 1970 1975 1980 1985 1990 1995 2000 2005 YEAR EHV (km) HV (km) TOTAL (km) 1969 233 910 1 143 1979 380 937 1 317 1995 661 1 549 2 210 2007 906 2 354 3 260

Return to Session JICABLE 2007 4 Paris area grid in 2007 Terrier Plessis-Gassot Cergy Sausset St Ouen Novion Fallou Ampère Courneuve Argenteuil Cormeilles Villevaudé Avenir Mézerolles Perret Romainvile Nanterre Puteaux Plaisance Alouettes Malassis Menus Colonie Sonnettes Charenton St Maur Harcourt Cretaine Morbras Moulineaux Arrighi Chevilly 400/225 kV substation Villejust 225 kV transit substation Le Chesnoy 225 kV UGC Cirolliers 400 kV OHL ring

Return to Session JICABLE 2007 5 Paris area Data 1920 1950 1980 2000 1920 1936 1957 1962 1969 1989 2000 2002 Impregnated Oil filled HPOF Polymeric PE Polymeric PE Polymeric XLPE paper HV EHV THT HV EHV HV Polymeric XLPE - EHV Now : Polymeric XLPE - Al sheath Now : Polymeric XLPE - sheath Al HV et EHV HV - EHV - Oil filled cables Synthetic cables Total 225 kV UGC 195,8 442,2 638 length (km) � First 225 kV cable in 1936, and some parts still in use � Average age of the grid : 20 years

Return to Session JICABLE 2007 6 Paris area grid in 1969 Plessis-Gassot Cergy St Ouen Novion Fallou Ampère Villevaudé Cormeilles Mézerolles Romainvile Puteaux Plaisance Charenton St Maur Harcourt Arrighi Chevilly 400/225 kV substation Villejust 225 kV transit substation Le Chesnoy 225 kV UGC 400 kV OHL ring

Return to Session JICABLE 2007 7 Paris area grid in 1979 Plessis-Gassot Cergy St Ouen Novion Fallou Ampère Villevaudé Mézerolles Cormeilles Perret Romainvile Nanterre Puteaux Plaisance Charenton St Maur Harcourt Cretaine Arrighi Chevilly 400/225 kV substation Villejust 225 kV transit substation Le Chesnoy 225 kV UGC 400 kV OHL ring

Return to Session JICABLE 2007 8 Paris area grid in 1995 Terrier Plessis-Gassot Cergy St Ouen Novion Fallou Ampère Villevaudé Courneuve Cormeilles Mézerolles Perret Romainvile Nanterre Puteaux Plaisance Malassis Sonnettes Charenton St Maur Harcourt Cretaine Morbras Moulineaux Arrighi Chevilly 400/225 kV substation Villejust 225 kV transit substation Le Chesnoy 225 kV UGC Cirolliers 400 kV OHL ring

Return to Session JICABLE 2007 9 Paris area grid in 2007 Terrier Plessis-Gassot Cergy Sausset St Ouen Novion Fallou Ampère Courneuve Argenteuil Cormeilles Villevaudé Avenir Mézerolles Perret Romainvile Nanterre Puteaux Plaisance Alouettes Malassis Menus Colonie Sonnettes Charenton St Maur Harcourt Cretaine Morbras Moulineaux Arrighi Chevilly 400/225 kV substation Villejust 225 kV transit substation Le Chesnoy 225 kV UGC Cirolliers 400 kV OHL ring

Return to Session JICABLE 2007 10 AVENIR – SAUSSET 225 kV Terrier Plessis-Gassot Cergy Sausset St Ouen Novion Fallou Ampère Courneuve Argenteuil Cormeilles Villevaudé Avenir Mézerolles Perret Romainvile Nanterre Puteaux Plaisance Alouettes Malassis Menus Colonie Sonnettes Charenton St Maur Harcourt Cretaine Morbras Moulineaux Arrighi Chevilly Villejust Le Chesnoy Cirolliers

Return to Session JICABLE 2007 11 Characteristics of one recent line Avenir – Sausset 225 kV � 18 km � 1 200 mm² Cu, XLPE � Commissioning in august 2002 � Laying techniques : PVC ducts in concrete � 3 great depth drilling installations � 2 steered drillings 75 and 85 m � 1 micro-tunnel 135 m � Cost : 22 M€

Return to Session JICABLE 2007 12 AVENIR – SAUSSET 225 kV

Return to Session JICABLE 2007 13 Perspectives of development � Operating policy � R&D actions : transition joints, optimisation of laying methods, lifespan of cables on the network � Grid modifications for new clients connections and consumption increase