HVAC Systems online learning channel. (Heating, Ventilation n Air-conditioning)

HVAC for HVDC (High Voltage Direct Current)

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HVAC approach for HVDC application.

A high-voltage, direct current (HVDC) electric power transmission system uses direct current (DC) for the bulk transmission of electrical power

  • HVDC (high voltage DC supply) is mainly used for long distances to minimise power loss.
  • The converter/rectifier hall is 1 big faradays cage designed hall with no entry to personnel during normal operations.
  • All indoor M&E equipment must be grounded.
  • Only ventilation is required except for high temp regions like the gulf.
  • N+2 configuration for redundancy.
  • AHU sections. Heating coil, humidifier, pre-filter + bag filter.
  • 100 % fresh air with 30 Pascals pressurisation and with gravity release dampers at upper levels of the converter hall.
  • Interior design Maximum 48 C minimum 5 C, maximum supply temp. 40c and minimum at 10c, maximum Relative humidity 60% and minimum 30%
  • Heat losses on Average 300 KW, including Process piping.
  • 500 Lux uniform Lighting.
  • For security, entrance doors are interlocked for power shutdown in case of fire.
  • Fire fighting, manual extinguishers at entry and automatic interior extinguishing on the interior for the controls room.
  • BMS, all sensors High Temp & Low temp, high & low humidity etc... to connect to Controls room.
  • I can be consulted on this and help you achieve your goals Remotely.
    • ...more
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    HVAC Systems online learning channel. (Heating, Ventilation n Air-conditioning)By Charles Nehme

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