Control Wiring Diagram For Star Delta. Hence the motor is subjected to the full voltage of the power supply. I already explain how to connect power supply for star delta motorplease refer the wiring diagram at the bottom post.
A Dual starter connects the motor terminals directly to the power supply. The on delay timer diagram is also shown in the diagram. The star-delta wye-delta starting method controls whether the lead connections from the motor are configured in a star or delta electrical connection.
Here you can see the Control Circuit Diagram of Automatic Star Delta Starter.
In star delta starting an induction motor is connected i. K1 Contactor Contactor coil. NO Normally Open. STAR DELTA connection Diagram and Working principle.
