针对三电平逆变器固有的中点电位平衡问题，本文提出并分析了两种能控制中点电位平衡的控制策略。
Two methods to control the neutral point potential are proposed in this thesis which can solve the neutral point potential problem owned by three-level inverter.
通过对三条曲线的综合分析，得出控制电位为0。50v时传感器的电流响应线性度好，灵敏度高。
By integrated analysis of curves, when controlled potential is selected at 0.50v, the current responding of the sensor has a better linearity and higher sensitiveness.
通过对数字电位器的结构及性能分析，发现它能够实现风速控制系统中电流环功能。
This article analyzed digital potentiometer structure and its performance and found it could be used to form the current loop in the wind speed control system.
通过对数字电位器的结构及性能分析，发现它能够实现风速控制系统中电流环功能。
This article analyzed digital potentiometer structure and its performance and found it could be used to form the current loop in the wind speed control system.
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