Simulation and experimental results show that the proposed converter has sine wave input current and output voltage, low harmonic content, adjustable power factor, and zero voltage commutation.
仿真和实验结果表明：所提出的变换器输入电流和输出电压为正弦，谐波小且输入功率因数可控，并可实现零电压换流。
While mining companies' optimism about the strength of metals prices is one factor, there are other, arguably more pressing reasons for the current wave of consolidation.
矿业企业对金属价格走强的乐观情绪，是解释当前整合浪潮的一个原因，此外还存在其它方面可以说更为紧迫的原因。
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