Star delta connection duration. Next the circuit goes through the nc terminals of the thermal over load relay.
Automatic Star Delta Motor Starter Electrical Technology
Star delta starter control circuit diagram explanation. The control circuit uses to control the starter circuit such as on off and tripping operations. Star delta connection circuit diagram. In star delta starting an induction motor is connected in through a star connection throughout the starting period. Refer to the below star delta circuit. Star delta starter control circuit diagram. Ryb electrical 597548 views.
A star delta starter is the most commonly used method for the starting of a 3 phase induction motor. In this tutorial we will show the star delta y δ 3 phase induction ac motor starting method by automatic star delta starter with timer with schematic power control and wiring diagram as well as how star delta starter works and their applications with advantages and disadvantages. Star delta starters consist of a power circuit and control circuit. There is minor correction is require to change printed in boxes sequence of 3 phase wires from w2 v2 u2 to w2 u2 v2 to get delta connection properly. Understanding star delta starter. In the diagram of power circuit of star delta starter u2 and v2 of 3 phase motor should be connect to 4 and 6 respectively instead of u2 and v2 are connected to 6 and 4 of delta contector km2.
The power circuit uses to create contact between the motor and three phase power supply. When the fault occurs the thermal overload relay will trip the circuit. As you see in the above star delta starter diagram first an nc push button switch is connected to stop the operation. Then once the motor reaches the required speed the motor is connected in through a delta connection.
Gallery of Star Delta Starter Control Circuit Diagram Explanation
