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- W2049456419 abstract "Abstract The paper proposes the application of PV system for uninterruptible power supply (UPS). The PV system is composed of a novel single-phase PWM voltage source inverter (VSI). Composite PWM method is achieved by a circuit configuration consisting of the normal single-phase bridge circuit and an additional arm, which contributes to reduce the ripple in the AC output current. The VSI has a LC series-resonance circuit tuned to twice the utility frequency connected in parallel with the smoothing capacitor. The series-resonance circuit absorbs the double-frequency AC components included in the DC pulsated current. Hence, the smoothing capacitor is drastically reduced. A storage battery is added on the DC side in order to stabilize DC voltage. The VSI is easily changed from inverter action to rectifier action by changing the firing angle α from plus to minus. When α is minus, the VSI acts as a battery charger." @default.
- W2049456419 created "2016-06-24" @default.
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- W2049456419 date "1997-10-01" @default.
- W2049456419 modified "2023-09-23" @default.
- W2049456419 title "Application of utility interactive photovoltaic power generation system for UPS" @default.
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- W2049456419 doi "https://doi.org/10.1016/s0927-0248(97)00049-4" @default.
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