silicon controlled switch

A kind of intelligent compound switch using for reactive power compensation of low voltage, using a parallel structure of bidirectional silicon-controlled and magnetic latching relay was introduced.

介绍一种用于低压无功补偿装置中的智能型复合开关，它采用双向晶闸管与磁保持继电器并联的工作结构。

SrTiO_3 varistors have been widely used as transient high-voltage protector and surge arrestor in the field of low voltage, such as restraining the noise of micro direct-current machine or source input, protecting the switch of inductive load or silicon controlled rectifier transwitch, and by-pass capacitors.

SrTiO3压敏电阻广泛用于低压领域作为过压保护和浪涌吸收元件，如用于微直流电机及电源输入端抑制噪声、保护感性负载或可控硅开关、作旁路电容器等。

Three-phase alternating frequency modulation control signal produced by 8051 CPU is magnified to control the switch of the silicon controlled rectifier in inverse main bridge circuit, thereby constant pressure speed-adjusting is realized.

由8051CPU产生三相交流调频控制信号，经放大来控制逆变主桥路中可控硅晶闸管的通断，从而实现恒压调速。