应用CD4098单稳态触发器组成了三相过零触发电路，达到了较为理想的调功效果。
The three-phase zero-detection trigger made up of CD4098 single side stale trigger can produce ideal effect.
考虑到过零型ssr具有TSC投切电容器所具有的过零触发功能，提出将其作为TSC的投切开关，从而简化了TSC电路。
Since the zero -voltage SSR has the zero - voltage triggering function needed by the TSC, it can be used as the switch of the TSC to simplify the TSC circuit.
在可控硅的实际应用中，经常会遇到可控硅过零触发问题，尤其在三相系统中，这种应用更为常见。
Zero-crossing trigger of SCR is a common problem in the practical application of SCR, especially in three-phrase systems.
应用AL808智能仪表，采用先进的专家智能PID自整定技术，自动整定加热系统的PID参数。 模块输出为可控硅过零触发，输人为热电偶信号。
Two AL808 IRs which can automatically tune PID parameters of the system with expert intelligence, thyristors as the output and thermocouples as the input.
提出了一种实用的晶闸管触发方法，这种方法以电流的过零时刻作为触发基准，保证起动过程中电流的关断角稳定。
A new thyristor trigger method is proposed. This method takes the current crossing point as the trigger base and keeps the current hold off Angle stationary.
提出了一种实用的晶闸管触发方法，这种方法以电流的过零时刻作为触发基准，保证起动过程中电流的关断角稳定。
A new thyristor trigger method is proposed. This method takes the current crossing point as the trigger base and keeps the current hold off Angle stationary.
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