PWM series resonant DC link converter with current peak limiting using a saturable core

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PWM series resonant DC link converter with current peak limiting using a saturable core

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Published

A series resonant DC link converter with PWM capability and current peak limiting is proposed. It requires only an additional bidirectional switch to synchronise with external PWM signals and a saturable core to achieve current peak limiting. The clamping level is automatically adjusted by the current load.

Inspec keywords: resonant power convertors; PWM power convertors; current limiting reactors; saturable core reactors

Other keywords: synchronisation; current peak limiting; PWM series resonant DC link converter; clamping level; bidirectional switch; saturable core; automatic adjustment

Subjects: Power convertors and power supplies to apparatus; Protection apparatus

References

    1. 1)
      • Castanheira, R., Cardoso Fo., B.J., Menezes, B.R., Donoso Garcia, P., Moreira, A.F.: `An active current clamping circuit for a series resonant DC link powerconverter', IEEE PESC Conf. Record, 1994, p. 659–663.
    2. 2)
      • Caldeira, P., Lipo, T.A., Murai, Y., Mochizuki, S.: `Design and control of a series resonant dc link power converter drive', IPEC Conf. Record, 1990, p. 397–404.
    3. 3)
      • Murai, Y., Abeyratne, S.G., Lipo, T.A., Caldeira, P.: `Current peak limiting for a PWM series resonant DC link power conversionusing a saturable core', 14th EPE Conf. Record, 1991, 2, p. 8–12.
    4. 4)
      • da Silva, E.R., Cardoso Fo., B.J.: `A current clamping circuit for a PWM series resonant DC link power converter', IEEE IAS Annual Conf. Record, 1995, p. 2393–2400.
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      • Nakamura, H., Murai, Y., Lipo, T.A.: `Quasi resonant current dc link ac/ac converter', IEEE PESC Conf. Record, 1993, p. 279–284.
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      • Murai, Y., Lipo, T.A.: `High frequency series resonant DC link power conversion', IEEE IAS Annual Conf. Record, 1988, p. 772–779.
    7. 7)
      • da Silva, E.R.C., Ledwich, G., Aydemir, M., Lipo, T.A.: `Pulse width modulated series resonant converter', IEEE IAS Conf. Record, 1992, p. 744–749.
    8. 8)
      • da Silva, E.R.: `Notching current source AC/AC converters for soft switched PWM', IEEE IAS Annual Conf. Record, 1994, p. 1001–1007.
    9. 9)
      • Ledwich, G., da Silva, E.R., Lipo, T.A.: `Soft switched notching current source inverters', IEEE PESC Conf. Record, 1992, p. 1092–1097.
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