一种提高继电器返回系数K_f的有效方法

An Effective Method of Increasing the Return Coefficient K_f of Relay

介绍利用晶体管开关特性提高直流电磁式继电器返回系数K_f的方法,同时导出K_f与电路有关参数的关系式。

This is a method of using the switch characteristic of the transistor to increase the return coefficient Kf of the DC electromagnetic relay. Kf which is a function of some parameters of the circuit is given.