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Two-phase residential installations have become very common in Ecuador since different policies prompt the users to replace gas stoves and water heaters by electric appliances. The addition of a second phase to the originally installed single-phase wiring is required to obtain 220Vrms. This fact carries an intrinsic unbalance since single- and two-phase loads coexist. In this paper a topology for...
Transformerless PV inverters are known to generate undesirable ground leakage currents due to the lack of galvanic isolation between the PV array and the electric grid. This paper initially discusses the different types of transformerless PV inverter topologies that have been proposed to overcome this problem. It then proposes a new topology, which extends the commercially successful HERIC inverter...
Outstanding efficiencies can be achieved by the utilization of the latest technology of low voltage, SMD-packaged Si- or GaN-based semiconductors. These devices allow a heatsink- and fan-less converter design, thus lightweight and high power density converters are typically derived. This paper investigates the advantages of using these relatively low cost SMD-packaged devices in medium power industrial...
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