DC damping circuit

With the calculating the damping circuit parameter of traction coil on SS4G type electric locomotive,the reasons of the frequently burning down is analyzed,and the method of calculating damping circuit parameter is concluded.

通过对SS4G型电力机车牵引绕组阻尼电路参数的计算,分析了阻尼电路频繁损坏的可能原因,并归纳了阻尼电路参数的计算方法,最后提出了阻尼电路参数的改进建议。

The characteristics of coil damping circuit is studied,the current of damping capacitance and the calculation of resistor power consumption are also proposed by commutating current theory of rectifier.

根据整流桥换流工作原理,研究了绕组阻尼电路的工作特点,给出阻尼电容电流及电阻功耗的计算方法,通过计算分析找出阻尼器件大量损坏的原因;分析了阻尼电容放电电流对晶闸管的危害性;进一步探讨机车操作过电压特点,推荐能兼顾操作过电压、满足阻尼器件和整流装置安全工作的阻尼电路参数。

This article introduced driving circuit and damping circuit of the printing driver of the feedback printing system of the XD 106 1 channel electrocardiograph.

本文叙述了对ＸＤ－１０６单导心电图机中的速度反馈式直线描记系统的表头板驱动电路及阻尼电路的成功设计。