A new cost-effective multi-drive solution based on a two-stage direct power electronic conversion topology
作者： C. Klumpner , F. Blaabjerg
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摘要: The matrix converter is a single stage AC/AC converter, which able to provide sinusoidal PWM output voltages and input currents, inherent bi-directional power flow with no need of bulky DC-capacitors large line inductors. However, the increased number active switches (18) protection circuit involving twelve diodes full voltage/current ratings used only during faulty situations, makes this topology not so attractive. Lately, two direct electronic conversion (DPEC) topologies have been proposed, providing similar functionality as but allowing for reduction devices. In paper, new DPEC suited multi-drive application having an port three-phase supply several ports connect loads, are independently controlled. cost rectification therefore shared by many making more effective. proposed two-stage validated experiments on realistic laboratory prototype.
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