1) gero-current trigger

零电流触发
1.
With regard to gero-current trigger in numeric control alternating current stabiliging-Valt-age mains,this paper introduces its qorwacd phose position, the width of the pulse,the relation-ship between the cussent passing through the bidirectional crystal gastriode and the wilth of gero-current pulse and the best phase position for the valtage control signals.
本文介绍了数控交流稳压电源中零电流触发脉冲的前沿相位和脉冲宽度。
2) zero-voltage triggering

零电压触发
3) trigger current

触发电流
1.
This article suggests that testing the volt-ampere property and trigger currentof small-sized SCR by mean of a oscilloscope is still convenient and practical,in case there lacks specialized testing instru-ments.
在缺乏专门测试设备的条件下 ,利用示波器对小型可控硅的伏安特性及触发电流进行测试仍然是一种方便实用的方法 。
2.
The trigger current could be enlarged and uninterrupted by the discharge of capacitor in continuous-flow current circuit.
研究表明,真空开关的触发时延主要由导通时延决定,增加触发电流的幅值和陡度(di/dt)可减小TVS的导通时延及其分散性。
4) 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。
5) Voltage zero-crossing triggering

电压过零触发
6) gate trigger current

栅触发电流
补充资料:零阻电流法测电偶电流
分子式:
CAS号:
性质:测定电偶对之间电阻为零的条件下所流过的电偶电流的方法。最先进的是自动零电阻电流计法,其原理是用一个运算放大器的同相和反相输入端分别接电偶对的两个金属,放大器输出端通过已知阻值的电阻反馈至反相输入端。运算放大器会自动调节两个金属之间电位差为零。流经反馈电阻上的电流即电偶电流,可通过反馈电阻上的电压降(即运算放大器的输出电压)来测定。该法灵敏、快速。
CAS号:
性质:测定电偶对之间电阻为零的条件下所流过的电偶电流的方法。最先进的是自动零电阻电流计法,其原理是用一个运算放大器的同相和反相输入端分别接电偶对的两个金属,放大器输出端通过已知阻值的电阻反馈至反相输入端。运算放大器会自动调节两个金属之间电位差为零。流经反馈电阻上的电流即电偶电流,可通过反馈电阻上的电压降(即运算放大器的输出电压)来测定。该法灵敏、快速。
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参考词条