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To suppress the common mode current flowing into the grid effectively, this paper presents a novel active clamping inverter topology with non-isolated single-phase photovoltaic grid inverters. This topology can provide freewheeling path and separate solar panels from the grid at the freewheeling stage. In addition, a series resistor in the clamping channel of the new structure is added, which can...
This paper presents a systematic approach for optimizing commercial rooftop PV system installations, estimating energy yields using more realistic angle-and-wavelength-resolved clear sky solar irradiance data and quantifying the economic benefits. In this paper's case study of Berkeley, the proposed semiannually-fixed tilt configuration of solar panels is found to increase the energy yield by 5.8%...
In the existing photovoltaic power generating system, life-span of the storage battery cannot be attained very well, which is a constraint on further development of photovoltaic industry. Aiming at the characteristics of the battery and photovoltaic module in charging system, one type of intelligent photovoltaic charging control strategy and system based on the chip of PIC16F877A is presented and...
The principle of photovoltaic grid-connected generation system is analyzed, and the research on PWM control strategy is done based on the power output side of photovoltaic grid-connected generation system. The direct current control strategy of photovoltaic grid-connected inverter is presented. The control fashion of applying fixed switch frequency and the feedforward compensation control of utility...
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