Three Phase Circuit

Cards (17)

  • principles of three phase circuits: 1. Current is the same in all phases 2. Current is the same in all phases 3. Current is the same in all phases
  • What is Vl
    Line Voltage
  • What is Vp
    Phase Voltage
  • What is Il
    Line Current
  • What is Ip
    Phase Current
  • What is the formula for Delta/Star Connection System
    • IP = IL / √3
    • IL = IP x √3
    • VL = VP
  • What is a Three Phase Supply
    A neutral function of the generation process
  • What frequency does the conductors carry
    It carries Three alternating currents of same frequency
  • What is the formula for Delta/Delta Connected System
    • Vp = VL / √3
    • VL = Vp x √3
    • IL = IP
  • What is not needed for a linear load
    A neutral conductor
  • What is required for high voltage transmission?
    The transformer configuration is Delta delta no neutral or earth is required
  • How is the Secondary distribution done
    The neutral & earth are picked up from the star point of secondary winding
  • What is the potential(voltage) of earth
    0V
  • Why are Three phases generated
    To allow industries to reduce the size of the machines that it uses.
  • Why use Three phase
    It cheaper and more efficient to do this way
  • What does a rectifier do
    Change AC to DC
  • What does RMSstand for
    Root Mean Square