PROJECT TITLE :
Command Generation for Wide-Range Operation of Hysteresis-Controlled Vienna Rectifiers
Hysteresis current controllers inherently gift wide bandwidth and are proposed for application in Vienna rectifiers switching at high frequencies. In such applications, close to zero ac input currents are required at no load. Since the hysteresis band is limited by switching losses and delays, controlling low current amplitudes becomes a difficulty. During this paper, it's described as a appropriate alternative to beat such limitation, satisfying both the control of the ability flow at no load and minimum current amplitude requirements. Test results on a 40-A/380-V Vienna rectifier are presented to support the theoretical analysis.
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