Star delta starter wiring diagram this post is about the main wiring connection of three phase motor with star delta starter and control wiring diagram of star delta starter. 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.
Star Delta Starter Control Wiring Diagram By Yk Electrical Facebook
Star delta starter wiring diagram. Power control wiring diagram of star delta starter. But high load 3 phase motor we use the star delta starter for motor. Wiring diagram star delta connection in 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 starter without timer for 3 phase induction motor. 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.
Star delta connection circuit diagram. For three phase motor we use the direct online starter but mostly for small three phase motor. Star delta starters consist of a power circuit and control circuit. Refer to the below star delta circuit. R y b red yellow blue 3 phase linescb general circuit breakermain mai supplyy starδ deltac1 c2 c3 contatcors power diagramol over load relayno normally opennc normally closed k1 contactor contactor coil k1no contactor holding coil. The power circuit uses to create contact between the motor and three phase power supply.
The control circuit uses to control the starter circuit such as on off and tripping operations. Of control star delta or wye delta suitable for applications requiring a lower starting current than when using dol starter.
Gallery of Star Delta Starter Wiring Diagram
