A Treatise on the Modern Motor Controller with Typical Applications to the Industries Henry Duvall James. Fig. 7-16. Magnetic-drive wiring diagram. The output ... P against a portion of the fixed reference voltage from a 12-volt battery B . Thus a certain voltage is impressed on the grid of VT-1, resulting in a definite fan speed.
|Title||:||Controllers for Electric Motors|
|Author||:||Henry Duvall James|