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Circuit topologies of single-stage, single-stage combined, single-stage paralled uninterruptible AC-DC converters with high power factor are proposed based on presenting research present states of the single-stage uninterruptible AC-DC converters. This kind of AC-DC converters, which is constituted of full-bridge rectifier and multifunctional integrated flyback converter, can realize uninterruptible...
A control technique is developed for parallel operating inverters with no control interconnections in microgrid. This technique uses only locally measurable feedback signals to allow some independent inverters to share the active power for loads, while the others to provide reactive power compensation for loads, both in proportional to their capacities. Simulation results prove the validity of this...
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