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Photovoltaic (PV) powered electric water pumps are becoming popular in remote rural locations due to the non-availability of grid connectivity. A typical PV based drive scheme consists of a PV array, DC-DC converter, inverter-fed induction motor and a water pump. Induction motors are rugged in construction and offer low maintenance but their efficiency is poor at low power levels. Therefore, permanent...
This paper proposes a concept of fictitious “Electrical Gear” to analyze the flux pattern in the three-phase flux-reversal machine (FRM). The rotating-flux pattern of FRM has either two or four poles depending on the number of stator poles. FRM can be analyzed on similar lines as permanent magnet synchronous machine with the concept of this gear. The flux-density distribution in FRM is analyzed with...
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