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Power


Aluminium is a power intensive industry. The electrolysis process used to produce Aluminium requires large quantities of electrical power, cost of which is almost one-third of the total cost involved in production of Aluminium. The Direct Current (DC) required depends on the total number of cells or pots installed and the potline current involved. For meeting this huge power requirement most Aluminium smelters are equipped with their own Captive Power Plants.

BALCO's existing potline works on prebaked technology with a rated potline current of 320 kA which is presently being ramped to 330 kA. Attempts are on to gradually increase this to 340 kA and subsequently to 400 kA.

Captive Power Plant I


  • Capacity: 270 MW
  • Location: Jamnipali, Korba, 9 kms from Balconagar
  • Source of Coal: Gevra & Kusmunda mines of South Eastern Coalfields Ltd. (SECL) in Korba area
  • Source of Water: Hasdeo River
  • Operation & Maintenance: BALCO’s own operation from 01.07.02 onwards

Salient Features


  • Type of Boiler (GEC) - Single Drum, Natural Circulation, Balanced Draft, Outdoor
  • Primary Fuel - Thermal Coal
  • Start-up Fuel - HFO
  • Water Source - DM water
  • Coal Pulverising System - Ball & Race Type Mills


Captive Power Plant II


  • Capacity: 540 MW (4 X 135 MW )
  • Location: BALCO Plant, Korba
  • Source of Coal: Gevra & Kusmunda mines of   South Eastern Coalfields Ltd (SECL) in Korba.
  • Source of Water: Hasdeo River
  • Operation & Maintenance: BALCO’s own operation

Salient Features


  • Primary Fuel - Thermal Coal
  • Start-up Fuel - LDO / HFO
  • Pulverising System - Primary Air System with Vertical Roller Mills.
  • Steam Turbine - Double cylinder, Impulse, Condensing and Nozzle & Throttle-governed turbine
  • Turbo Generator - Air Cooled, Direct Coupled Generator, Static Excitation
 
 
 
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