substation installation
DESCRIPTION
Substation InstallationTRANSCRIPT
Harmonization of Power Distribution System in ASEAN Countries
Dr. Asawin RajakromConstruction Department
Metropolitan Electricity Authority Email: [email protected]
Design of Distribution Substation:Substation Installation
Discussion Topics
• Planning
• Transportation
• Installation
• Testing & Commissioning
2
Installation Planning Equipment Acceptance
Approve Approve
Installation Start
Installation of Equipment Power/Control CablingGrounding
Test/Commissioning
ResultsOK?
Substation Energization
ResultsOK?
Project Start
Project End
Work Flowchart
3
Planning• Activities• Duration• Relation• Resources, e.g. man power, material, vehicle, lifting
facilities etc.• Concurrence to other related works, e.g. cable coming in
and going out substation, SCADA etc.
45
1
Installation Planning Equipment Acceptance
Approve Approve
Installation Start
Installation of Equipment Power/Control CablingGrounding
Test/Commissioning
ResultsOK?
Substation Energization
ResultsOK?
Project Start
Project End
Work Flowchart
32
53
Equipment acceptance
• Transportation• Checking• Storage• Stocktaking• Checklist of each activities
6
Transportation
7
Transportation
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Transportation
9
4
Transportation
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Installation of Equipment
• Circuit breaker• Disconnecting and earthing switch• Instrument transformer• Lightning arrester• Gas insulated switchgear (GIS)• Power transformer• Capacitor• Cable and accessories• Station supply
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Installation of Equipment
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Installation of Equipment
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5
Installation of Equipment
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Installation of Equipment
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Installation of Equipment
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Installation of Equipment
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6
Installation of Equipment
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Installation of Equipment
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Installation of Equipment
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Installation of Equipment
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7
Installation of Equipment
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Installation of Equipment
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Test and commissioning• Insulation test• SF6 gas, insulating oil and vacuum test• Contact resistance• Operating sequences• Operational control• Interlock• Monitoring• Metering• Protection• Individual test• Combined test
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Test and commissioning
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Test and commissioning
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Test and commissioning
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Test and commissioning
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Test and commissioning
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9
Test and commissioning
2910
Test and commissioning
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Energization/Operation
• Voltage Withstand and Phase Sequences• Protection and Metering Confirmation• Operation/Maintenance Tools• Documentation
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