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苏联目前在各种自动控制与远程控制电路中广泛应用КДP3-МБ和КДРш3-МБ型磁性存贮继电器。这种继电器的特点:结构相当简单、工作可靠、造价低廉。磁性存贮继电器已用在“Нева”和“Луч”型调度集中、自动闭塞设备和矿山控制信号设备(AYCO-2型)上。这种继电器与普通继电器的区别在于,当继电器励磁(送磁化脉冲)之后,线圈无电流,衔铁长时间保持吸起状态。为了使衔铁复原,必须给它一个小于磁化脉冲的负极性脉冲电流。磁性存贮继电器的这种工作方式可以使一个调度区内节省电流15—20安,并减少电源和充电设备一半左右。十月铁路局列宁格勒一乌什科沃区段的工作证明,在一个调度区内只需要装一个电源和充电架就能顶二个用。每100公里线路(调度区的平均距离)一年内能节省
The Soviet Union now widely uses КДP3-МБ and КДРш3-МБ magnetic storage relays in a variety of automatic control and remote control circuits. The characteristics of this relay: the structure is quite simple, reliable, low cost. Magnetic storage relays have been used in “Нева” and “Луч” type schedulers, automatic blocking equipment and mine control signaling equipment (Type AYCO-2). This relay and ordinary relay difference is that when the relay excitation (send magnetization pulse), the coil current, the armature for a long time to keep the suction state. In order to restore the armature, it must be given a pulse current less than the negative pulse of magnetization. This method of operating the magnetic storage relay can save 15-20 A in a dispatch area and reduce power supply and charging equipment by about half. The work of the October Railway Administration in Leningrad-Ushikovo proved that only two power supplies and charging racks can be installed in one dispatch area. Savings can be saved in one year for every 100 kilometers of lines (average dispatch area distance)