Dc ac converters inverters
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DC-AC Converters (inverters) - PowerPoint PPT Presentation


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DC-AC Converters (inverters). The function is to convert a DC fixed voltage into a symmetric AC output of fixed or variable frequency and amplitude Applications: variable speed AC drives Uninterruptable AC power supplies Single phase and 3 phase applications.

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DC-AC Converters (inverters)

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DC-AC Converters (inverters)

  • The function is to convert a DC fixed voltage into a symmetric AC output of fixed or variable frequency and amplitude

  • Applications:

    • variable speed AC drives

    • Uninterruptable AC power supplies

    • Single phase and 3 phase applications.


Principle of operation (half-bridge inverter)

Output voltage is v0=vA-vO


Single phase bridge inverter


3phase DC-AC converters (inverters)


The state of switches

6 1 2 3 4 5 | 6 1 2 3 4 etc.


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