THE term ‘mixed frequency generation’ is of American origin and refers to an electrical generating system for an aircraft where the main generators are directly coupled to the engines and deliver a variable frequency over the engine speed range. A part of the generator output is used directly for such loads as de-icing and galley loads which are not at all frequency sensitive. Other loads which require a constant frequency of supply (generally 400 Hz.) are supplied by rotary or solid state inverters (called ‘converters’ in the U.S.A.). Direct current loads (generally 28 V.) are obtained from transformer rectifier units.


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    Titel :

    Variable Frequency Electrical Generating Systems for Aircraft


    Untertitel :

    A discussion of the advantages and disadvantages of variable frequency main generators for aircraft and possible research areas


    Beteiligte:
    Burns, D.O. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    1970-11-01


    Format / Umfang :

    5 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



    Aircraft Electrical Generating Systems

    Simms, T.E. | Emerald Group Publishing | 1961


    Variable Speed Constant Frequency (VSCF) Aircraft Electrical Power

    Canfield, E. B. / Summerford, J. W. | SAE Technical Papers | 1977


    Electrical generating equipment for aircraft

    Engineering Index Backfile | 1957



    Developments in variable frequency electrical systems

    Miller, P. / society of British Aerospace Companies / Royal Aeronautical Society; IMechE | British Library Conference Proceedings | 1998