Mei Qiang

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DC injection suppression is crucial for the transformerless PV systems. IEEE Std.929-2000 specifies that the PV systems shall not inject the dc current greater than 0.5% of the full rated output current. DC injection measurement is not only useful for evaluating whether a transformerless PV system meets IEEE standards, but also for the effective dc(More)
Recently, small and medium-sized manufacturing enterprises(SMME) have become key growth pole in Chinese economy. In the process of resolving the financing problems of SMME, how to estimate the competitive capacity of these enterprises is very important in practice. Aiming at lack of the model with quantitative analysis and qualitative analysis for SMME in(More)
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