This circuit is suggested by General Electric in 1966 documentation. The Triac must match the engine. The resistors depend on the triac's sensitivity to firing.
This circuit was found in the July 1969 issue of Radio Electronics magazine. It also appeared in...
This circuit can function as a high-power shield completely isolated from the power grid. We found...
This circuit has as a critical component the transformer that has low voltage windings for the...