Single-phase motors tend to be more complicated, and often need connection changes within the motor itself. For this ... Only one set of overload relays is used, however, since both forward and reverse control circuits are interconnected. ... Figure 20-30 shows a schematic diagram of the control circuit for this type of unit.
|Title||:||Applied electrical systems for construction|
|Author||:||Robert K. Clidero, Kenneth H. Sharpe|
|Publisher||:||Van Nostrand Reinhold Company - 1982-01|