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Low-harmonic three-phase inverters with nonpulsating terminal currents

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2 Author(s)
Khan, I.A. ; Delphi Energy & Engine Manage. Syst., Gen. Motors Corp., Anderson, IN, USA ; Erickson, R.W.

A basic class of three-phase inverters with nonpulsating terminal currents, namely, the four-topology four-inductor four-capacitor class is derived and studied. The expressions of duty-ratios required for low-harmonic dc-to-three-phase-ac conversion, ranges of output voltage variation, and component stresses for given specifications of inverters are derived. The characteristics of inverters include low-harmonic power conversion, low component stresses, variable-frequency variable-amplitude output voltages of values both below and above the dc input value, and the use of minimum number of inductors to achieve nonpulsating terminal currents.<>

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Aerospace and Electronic Systems, IEEE Transactions on  (Volume:31 ,  Issue: 2 )