switching characteristic

The control characteristic of the Simadynd controller is that it adopts the controlling methods of proportional bypass and switching control mode via minimal selection.

控制特点是采用了比例旁路、通过小选器切换控制模式等控制方法。

Theoretical analysis and experimental results show that both the two methods can measure the switching characteristic parameter effectively, while the latter can achieve higher accuracy than the former one with relatively higher cost.

理论分析及实验验证表明，这两种方法均能有效地测量PTC元件的动作时间参数，其中第（2）种方法的测量精度较高，但同时测试费用也较高。

On the other hand, the mixed modulation algorithm uses the five-segment modulation algorithm and the characteristic quadrangle to approximate the reference vector which can reduce the switching frequency. Finally, a three-cell seven-level inverters experiment platform is set up.

另一方面，混合调制算法利用特征四边形法和五段算法逼近参考矢量减少了开关切换频率。

Low-power switching power characteristic of Low Loss high rate of conversion small size and light weight.

针对体积小,可靠性高,待机功耗低的小功率开关电源.分析了国内外开关电源的发展和现状.

PFW was added based on PWM, and switching circuit between PWM, PFW and control circuit of external characteristic were designed, the control system fulfilled the higher request, and have double excellence of PWM and PFM.

在PWM控制的基础上引入PFM控制，并设计出PFM与PWM的切换电路及外特性控制电路，实现了设计的控制要求，使整个控制系统具有PWM和PFM的双重优点。