This circuit was obtained in a 1967 General Electric manual. The circuit applies to other triacs. The other components are common today. The load is inductive.
This detector uses an unusual sensor today. The circuit is from an 80s documentation. Its...
This circuit was found in the December 1976 issue of Radio Electronics magazine. The circuit...
For inductive loads we have the configuration shown in the figure. Note that the opto-coupler...