This SCR phase control ... The circuit makes up a two terminal power device that is simply inserted between the AC power source and load. Besides controlling the intensity of incandescent lighting, it ...

Single-phase and 3-phase AC squirrel cage induction motors need some type of control circuit to initiate a start or stop function. The two types of ladder control circuits commonly used are the 2-wire ...

The Pacesetter models 2994 and 2998 three-phase ac-motor speed controls ... short circuit, and ac inrush at startup, plus integrated sensors shut down the control if the ac-line input voltage ...

Permanent magnet dc motors ... circuit. I am not sure of the real power supply rail voltages yet, but they must be at lease −10V for the 741 op-amp to work (relative to the +240V rail as the whole ...