逆变指标

This paper presents a feed forward and double-loop control technology of inverter,its double-loop control including a capacitor current inner loop control and instantaneous voltage outer loop control.

高质量的输出有两方面的指标要求：稳态精度高和动态响应快，即要求逆变器的控制系统具有很好的静态和动态特性。

According to the summation Fourier series of three kinds of methods, the relationships among the harmonic performance, vertical offsets and modulation index are obtained in the paper.

根据线电压的谐波分量理论表达式，获得了载波之间竖直方向的交叠量、幅值调制度和多电平逆变器谐波性能指标之间的规律。

Firstly, this paper make a completely research on inverters in theory and the system model is established.

论文首先介绍了逆变电源的基础理论，建立了系统模型，得到了系统性能指标。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。