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  1. wingtip

    270 VDC power in aircraft

    Hi, This is on a similar subject to my other post today. Some aircraft under development ,e.g. The JSF, are developing a 270V DC power system rather than 115V 400Hz used on previous aircraft. Does anyone have an explanation for this change in power system design...what are the advantages? Could...
  2. wingtip

    Variable Frequency Power

    Hi, I am a systems engineer in the defence industry who does not get particularly involved in power systems and distribution. Can anyone enlighten me as to the reasons for the move towards variable frequency power in aircraft ( say up to 700Hz). I would have guessed that this introduces...

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