为提高光伏电池的光电转换效率，设计一种基于开路电压法的光伏电池最大功率点跟踪(MPPT)控制芯片。
An analog maximum power point tracking (MPPT) controller integrated circuit (IC) based on open-circuit voltage method was proposed to enhance the photovoltaic conversion efficiency of solar cell.
提高逆变电源容量主要有两个途径，设计大功率的逆变器和采用逆变器并联技术实现电源模块化。
There are two main ways to increase the capacity of inverter, including designing high power inverter and applying parallel technology to achieve power modularization.
为解决这些问题，我们对所使用的功率管进行了一系列试验，已摸索出一些比较简单的提高大功率器件可靠性的老化、筛选措施。
Seeking the solution, we have carried out series of tests on power tubes, and have found out simple ways to improve the great power apparatus reliability of aging, selection.
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