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Electricity

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Substation Facilities
Emerhency Generating Set
UPS
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Specifications
  • Input power capacity: 14,000kW(22.9kV 3P 4W)
  • Transformer List
4th supercomputer 5th supercomputer Infrastructure Office facilities Reserve Total
2,500kVA × 2EA 3,000kVA × 2EA 1,250kVA
1,000kVA		 750kVA 3,000kVA 17,000kVA
Purpose
  • Facility that transforms the high voltage (22.9kV) received from KEPCO to the available low-voltage (380V-220V) and supplies it to the Supercomputer
Features
  • Supplies stable electric power via dual line system (Main line/ Sub line)
  • Protective relaying system that rapidly controls breakdown
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Specifications
  • Capacity : Total 6,750kW(2,250kW X 3Set)
  • Fuel/Capacity : Diesel/86,000 ℓ (Outdoor 82,000 ℓ, Indoor 4,000 ℓ)
Purpose
  • It can produces emergency power by self-generating in case of line problems or power failure
Features
  • Automatic operation through ATS (Automatic Transfer Switch) in case of power outages
  • Operating hours : Outdoor tank 48h, indoor tank 4h
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Specifications
  • UPS
Supercomputer Infrastructure Office facilities Total
3,600kVA × 2Sets
1,200kVA × 4Sets		 200kVA × 3Sets
600kVA × 1Set		 150kVA × 2Sets 13,500kVA
  • Battery
Supercomputer Infrastructure Office facilities
Lithium battery 51.25V 64Ah 600module 51.25V 128Ah 42module 2V 400Ah 360cell
lead–acid battery 2V 1,200Ah 1,200cell 2V 1,200Ah 300cell
Purpose
  • Electrical apparatus that provides emergency power to a load when the input power source, typically mains power, fails.
Features
  • On-battery runtime: 15~20 minutes
  • Supplies high quality power of constant voltage and frequency