1) zero-cross-over triggering circuit
过零触发电路
1.
In view of the problem with underground selective leakage protection,the paper focuses on the principle of zero-sequence power direction,and presents a scheme of phase comparison between zero sequence voltage and current based on DSP TMS320LF2407A,which can achieve the selectivity of leakage protection by zero-cross-over triggering circuit.
这一方案是通过过零触发电路捕捉零序电压、电流的过零点,然后在软件上来比较零序电压、电流之间的相位关系,根据漏电故障支路与非故障支路中零序电压、电流之间相位的不同,从而实现漏电保护的选择性。
2) cosine crossing firing circuits
余弦过零触发电路
3) Voltage zero-crossing triggering
电压过零触发
4) zero crossing triggering
过零触发
1.
The AVR singlechip is used for the core of controller,the automatic compensation optimum control method is established based on reactive power compensation principle,the problem of thyristor switched wrong trigger is solved by the technology of zero crossing triggering,switched vibration i.
采用AVR单片机系统作为控制器的核心,从无功补偿原理出发,建立了自动补偿最优控制方法,采用过零触发技术解决了晶闸管投切误触发的问题,减少了投切振荡,动态响应速度快。
2.
In this article,the authors discuss how to implement the full automatic real time compensation of reactive power using several methods:a)applying "Power Trac" module,b)acguiring the system parameters,c)connecting/disconnecting the capacitors block based on the reactive power of the system by means of zero crossing triggering of SCR components.
应用 Power Trac模块 ,采集系统参数 ,根据系统的无功电流 ,通过可控硅元件过零触发技术 ,投入 /切除电容器组 ,以达到无功功率的全自动实时补
5) zero passage trigger
过零触发
1.
The system uses SPCE061A microprocessor to achieve temperature control,and it uses MOC3021 to achieve zero passage trigger.
由于该系统分别采用了SPCE061A微处理器实现温度控制和可控硅驱动器MOC3021实现过零触发,使得该系统具有较高的可靠性和自动化程度。
2.
The system use SOC microprocessor to actualize multi-channel temperature control,and it use DS1820 and MOC3041 to actualize temperature collection and synchronous zero passage trigger.
该系统采用了SOC微处理器实现多路相互独立的温度控制,采用数字式温度传感器DS1820和可控硅驱动器MOC3041实现温度采集和同步过零触发。
6) zero-cross-over triggering
过零触发
1.
This article analyzed the principle of zero-cross-over triggering and introduced how to realize the software and hardware in the electric upsetting.
分析了过零触发电路的工作原理,介绍了过零触发电路在电镦机中加热电流的软硬件实现方法,并利用Labview进行了频谱分析。
补充资料：触发
1.触动引发。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条