True average current predictive controller for four-wire PWM reversible rectifiers

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True average current predictive controller for four-wire PWM reversible rectifiers

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A proposed predictive controller suitable for four-wire boost rectifiers is described. The predictive controller regulates the rectifier line currents and includes a method of providing true average current mode control. The performance of the rectifier is demonstrated using simulation results for an 80 kVA rated converter switching at 15 kHz. Practical requirements for the controller are discussed.

Inspec keywords: electric current control; predictive control; control system synthesis; voltage control; digital control; rectifying circuits; switching circuits; PWM power convertors

Other keywords: four-wire boost rectifiers; true average current mode control; line currents regulation; four-wire PWM reversible rectifiers; simulation; 15 kHz; 80 kVA; switching; DC bus voltage regulation; average current control; digital controller; true average current predictive controller

Subjects: Voltage control; Control of electric power systems; Control system analysis and synthesis methods; Power convertors and power supplies to apparatus; Current control; Optimal control; Control engineering computing

References

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      • M.E. Fraser , C.D. Manning , B.M. Wells . Transformerless four-wire PWM rectifier and itsapplication in AC-DC-AC converters. IEE Proc. Electr. Power Appl. , 410 - 416
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      • Habetler, T.G.: `A space vector-based rectifier regulator for AC/DC converters', Proceedings of EPE '91, 1991, 2, p. 101–107.
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      • Moynihan, J.F., Bolognani, S., Kavanagh, R.C., Egan, M.G., Murphy, J.M.D.: `Single sensor current control of AC servodrives using digital signalprocessors', Proceedings of EPE '93, 1993, 4, p. 415–421.
    5. 5)
      • Zhang, H., Mulhall, B.E.: `Transputer based current-forced control of a reversible rectifier', Proceedings of EPE '93, 1993, 4, p. 88–92.
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      • W. Forsythe , R.M. Goodall . (1991) Digital control.
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      • Fraser, M.E., Manning, C.D.: `Four-wire power factor corrected boost rectifier', Proceedings of EPE '95, 1995, 3, p. 351–355.
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