Substation Committee K2 TF1 of the GIS Subcommittee...
Transcript of Substation Committee K2 TF1 of the GIS Subcommittee...
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IEEE/PES Substation Committee - GIS Subcommittee
GIS
IEEE/PES Substation Committee - GIS Subcommittee
IEEE
Substation Committee
K2 TF1 of the GIS Subcommittee
GIS/GIL/SF6-Tutorials
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IEEE/PES Substation Committee - GIS Subcommittee
GIS
IEEE/PES Substation Committee - GIS Subcommittee
IEEE
Gas Insulated Switchgear (GIS)
Design and Development
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IEEE/PES Substation Committee - GIS Subcommittee
GIS
IEEE/PES Substation Committee - GIS Subcommittee
Introduction to GISTypical Air Insulated Substation 345/230/115kV
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IEEE/PES Substation Committee - GIS Subcommittee
GIS
IEEE/PES Substation Committee - GIS Subcommittee
Introduction to GISTypical Gas Insulated Substation 345/115kV
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IEEE/PES Substation Committee - GIS Subcommittee
GIS
IEEE/PES Substation Committee - GIS Subcommittee
Introduction to GISCable Feeder Unit
Mechanism Housing
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IEEE/PES Substation Committee - GIS Subcommittee
GIS
IEEE/PES Substation Committee - GIS Subcommittee
Introduction to GISDimension ComparisonGIS Technology
SF6 used as the Insulating Media
Reduced Clearances- 345 kV AIS 4.6 m (15 feet)- 345 kV GIS 380 mm (15 inches)
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IEEE/PES Substation Committee - GIS Subcommittee
GIS
IEEE/PES Substation Committee - GIS Subcommittee
Introduction to GISView into Bus Bar: Conductor/Enclosure Dimension
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IEEE/PES Substation Committee - GIS Subcommittee
GIS
IEEE/PES Substation Committee - GIS Subcommittee
Introduction to GISClassic Single Phase Enclosure of GIS
CableConnection
DisconnectorCurrent TransformerCircuit Breaker
Busbar DisconnectorCurrent TransformerCircuit Breaker
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IEEE/PES Substation Committee - GIS Subcommittee
GIS
IEEE/PES Substation Committee - GIS Subcommittee
Introduction to GISMidway Sunset Sunoco Cogen 242 kV GIS
4
242 kV
2000 A
40 kA
No. of breakers
Rated voltage
Rated current
Rated short-circuit current
1988Supply year
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IEEE/PES Substation Committee - GIS Subcommittee
GIS
IEEE/PES Substation Committee - GIS Subcommittee
Introduction to GISAdvanced Three Phase GIS 72.5 to 145 kV
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IEEE/PES Substation Committee - GIS Subcommittee
GIS
IEEE/PES Substation Committee - GIS Subcommittee
Design Features
GIS technology: compact, low-life cycle cost andmodular for indoor and outdoor applications
Modular Design,Factory pre-assembled and tested units
Space requirement less than 20 % of comparable AIS
Safety (enclosed energized components)
Continous Monitoring of SF6 Densitity
Sealed for Operating Life > 50 years
Major inspection: not before 25 years 1)
1) Is influenced by the operation duties
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IEEE/PES Substation Committee - GIS Subcommittee
GIS
IEEE/PES Substation Committee - GIS Subcommittee
Design Features
GIS technology: compact, low-life cycle cost andmodular for indoor and outdoor applications
Corrosion-resistant
Low fault-probability / high availability
Protected against aggressive environmental conditions
Seismic resistant
Low EMF and susceptibility to EMC
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IEEE/PES Substation Committee - GIS Subcommittee
GIS
IEEE/PES Substation Committee - GIS Subcommittee
Design FeaturesSpace Savings
Space Reductionappr. 70 %
Previous
Afterwards
Retrofit of an existing AIS
Substation byCompact
Substation
145 kV/31,5 kA, 4000 A
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IEEE/PES Substation Committee - GIS Subcommittee
GIS
IEEE/PES Substation Committee - GIS Subcommittee
Design FeaturesModular Structure
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IEEE/PES Substation Committee - GIS Subcommittee
GIS
IEEE/PES Substation Committee - GIS Subcommittee
IEEE
Gas Insulated Switchgear (GIS)
History
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IEEE/PES Substation Committee - GIS Subcommittee
GIS
IEEE/PES Substation Committee - GIS Subcommittee
Steps of DevelopmentMore than 40 Years of Experience
• 1960 : Start of fundamental studies in research and development of SF6-technology
• 1968 : Delivery of first GIS
• 1974 : Delivery of first 420 kV GIL Gas-Insulated Busbar (GIL)
• 1976 : Delivery of first 550 kV GIS
• 1979 : Delivery of first 800 kV GIS
• 1995 : First 420 kV circuit-breaker with only one interruptingchamber per pole
more than 200.000 bay-years of operation
more than 20.000 bays in over 2.000 substations installed world-wide
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IEEE/PES Substation Committee - GIS Subcommittee
GIS
IEEE/PES Substation Committee - GIS Subcommittee
Steps of DevelopmentEvolution of GIS Design
550 kV from1983345 kV from 1970
230 kV from 1995
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IEEE/PES Substation Committee - GIS Subcommittee
GIS
IEEE/PES Substation Committee - GIS Subcommittee
Steps of DevelopmentProgress of GIS Development (145 kV)
0
10
20
30
40
50
60
70
80
90
100
110
68 70 72 74 76 78 80 82 84 86 88 90 92 94 96 98Year
[%]
Size of buildingSpace requirementShipping volume
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IEEE/PES Substation Committee - GIS Subcommittee
GIS
IEEE/PES Substation Committee - GIS Subcommittee
IEEE
Gas Insulated Switchgear (GIS)
Manufacturing
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IEEE/PES Substation Committee - GIS Subcommittee
GIS
IEEE/PES Substation Committee - GIS Subcommittee
Manufacturing ProcessGIS Factory
Production of maincomponents:
Insulating Parts/Vessels/ Drive
Components
• Assembly(Clean area)
• Test Lab• Training Center
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IEEE/PES Substation Committee - GIS Subcommittee
GIS
IEEE/PES Substation Committee - GIS Subcommittee
Manufacturing ProcessInsulating Parts: Cast Resin
preparationof electrodes
vacuumcasting
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IEEE/PES Substation Committee - GIS Subcommittee
GIS
IEEE/PES Substation Committee - GIS Subcommittee
Manufacturing ProcessPrefabrication – Housings/Components (2)
TestingPressure and Gas Tightness
Routine Test with Helium
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IEEE/PES Substation Committee - GIS Subcommittee
GIS
IEEE/PES Substation Committee - GIS Subcommittee
Manufacturing ProcessGIS Hydro Static Factory Testing
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IEEE/PES Substation Committee - GIS Subcommittee
GIS
IEEE/PES Substation Committee - GIS Subcommittee
Manufacturing ProcessPreassembly – Interrupter Units
PreassemblyExample:
GIS-interrupter unit 420 kV
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IEEE/PES Substation Committee - GIS Subcommittee
GIS
IEEE/PES Substation Committee - GIS Subcommittee
Manufacturing ProcessPreassembly – Hydraulic Drive Unit
Preassemblypreassembled and
pretested components
Example:• hydraulic drive for
GIS 420 kV
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IEEE/PES Substation Committee - GIS Subcommittee
GIS
IEEE/PES Substation Committee - GIS Subcommittee
Manufacturing ProcessAssembly – Main Assembly Hall
Main Assemblycircuit-breakerand switchgear
assembly„clean room“
Example:• GIS Bays 245 kV
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IEEE/PES Substation Committee - GIS Subcommittee
GIS
IEEE/PES Substation Committee - GIS Subcommittee
Thank you for your attention!
Any Questions?