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GRID
Michel SerraSVP - Products Business, Alstom Grid
22 September 2010
Gas-insulated SubstationsAix-les-Bains Site
2 ALSTOM © 2010 Confidential
GIS Product Line in December 2009
> 640 M€Turnover
2009
2,000Employees
6 Factories
Over 40 years field-proven experienceMore than 2,000 substationsOver 15,000 bays in service worldwide
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Alstom Grid’s GIS industrial footprint
Aix-les-Bains (France)245kV to 800kV
800 people
Oberentfelden (Switzerland)72,5 kV to 170 kV
630 people
Yangzhou (China)Assembly of Gas Insulated Lines
90 peopleWuxi (China)
Aluminium casting190 people
Chennai (India)145 kV to 420 kV
80 people Suzhou (China)245 kV to 550 kV
200 people
Villeurbanne (France)High Voltage R&D Centre
140 people Shanghai (China)China Technology Centre
110 people
6 Factories2 R&D centers
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AIS
GIS
Gas-insulated Substation (GIS) vs Air-insulated Substation (AIS)
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Gas-insulated Substation (GIS) vs Air-insulated Substation (AIS)
420kV GIS – Shuqaiq – SEC-SRB-Saudi Arabia
765kV SIPAT substation –Powergrid - India
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Comparison of characteristics and benefits
AIS GISBusbarinsulation
AIR SF6
Circuit Breaker insulation
SF6 SF6
Disconnect insulation
AIR SF6
Reliability - +++Size / Foot print / volume
-
open space, wide
+++
much lower space
Maintenance cost
- +++
Cost +++ +
420 kV level
0,0
0,5
2,5
6,0
Height (m)
AIS GIS
ConductorInsulationEarthed
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Alstom Grid GIS: A very complete and compact range
Fully eco-designed productsConnectivity for Smart Grid with integration of automation and monitoring systemsFirst class spring-mechanisms
420 kV 800 kV
31.5 kA
40 kA
50 kA
63 kA
GIL
F35
B65
B105
T155
72.5 kV 145 kV 170 kV 245 kV 300 kV 362 kV 550 kV
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Example of our 245 kV bay
S105 ~ 1970’s T105 ~ 1980’s B105 ~ 2000’s
Eco-designed products for reduction of SF6 use
Careful control of SF6 at assembly, testing and handling on site.Use of gas mixtures 20% SF6 / 80% N2 for busbarinsulations.
255kg SF6 per circuit breaker 66kg SF6 per circuit breaker 54kg SF6 per circuit breaker
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Alstom Grid’s Aix-les-Bains site
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Aix-les-Bains, France
Activity 2009:Turnover: 400 M€Employees: 80044,000 m²Certified: - ISO 9001- ISO 14001- OHSAS 18001
ActivitiesGas-insulated substations (GIS)from 220kV up to 550kV
DesignManufactureInstallationCommissioningMaintenanceRetrofit workAfter-sales serviceTraining
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A history of GIS in Aix-les-Bains, France
1986 Transfer of Power transformers to Le Havre. Arrival of Gas-Insulated Substations (GIS) at Aix-les-Bains
2008 Extension of the workshops
1923 “La Savoisienne” joins the CGE Group
1964 CGE and ALSTOM create a common subsidiary ALSTOM-SAVOISIENNE
2010 Integration of AREVA T&D in Alstom Grid
1920 Creation of the factory (Société Savoisienne de Constructions Electriques) Manufacturing of Power Transformers
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Assembly Line B
(170 to 300kV)
StorageAnd
Loading
Storage area
XXXXX
Reception Welcome
SafetyArea
Paintingx
Silver coating
Storagearea
GoodsreceptionW
aste areax
Assembly Line T
(>300kV)
Packaging area
Conductors
Enclosures
Training Area
Testingarea
Packaging area
Finishing area
Resin
Finishingarea
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Site Visit
6 groups: A, B, C, D, E, FTiming of the visit: 1h15 Main points of interest− 245kV assembly line− Manufacturing workshops:
painting, silver-coating, welding and machining to manufacture conductors and enclosures
− New product: B105-6− 550kV assembly line
21
3
7 6 45
119
10
Fab
8
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Safety instructions
At each workshop entrance, boards inform you of dangers as well as obligations and general forbidding which must be applied.
Safety shoes are mandatory during workshops’ visits.
The anti-collision cap is mandatory within the buildings (except offices).
Other PPE (glasses, ears’ caps…) are mandatory according to the visited zones.
GRID
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