zero passage

zero-passage switch used in breaking control of electromechanical equipment

过零开关在机电设备断电控制中的应用

To introduce the controlling temperature principle of the power regulator, the type selecting of the temperature show controlling instrument and the zero passage trigger periodic wave control mode for power regulator.

介绍调功器的控温原理，温度显示控制仪的选型，调功器选用过零触发周波控制方式。

the method of quantitative defect assessment was studied. the length and width of the defects were evaluated quantitatively according to the change of 3d scanning peak voltage, and the defect depth was evaluated with the zero passage time of the 3d differential signal.

研究了缺陷定量估计的方法：根据三维峰值扫描电压变化定量估计缺陷长度和宽度，以三维分量差分信号的过零时间估计缺陷深度。

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。

wave distortion with zero passage in asymmetry sine wave inverter

不对称正弦波逆变电源的过零失真现象

application of silicon control zero passage trigger circuit to furnace temperature control

可控硅过零触发电路在炉温控制中的应用