3 Phase Star Delta Control Circuit Diagram. For three phase motor we use the direct online starter but mostly for small three phase motor. Three phase motor connection star delta y δ reverse and forward with timer power control diagram as we have already shared the starting method of three phase motor by star delta starter with timer circuit power and control circuits.
You can see in the below figure i have shown the star delta starter connection with a three phase motor. For control wiring of three phase star delta starter with timer r y b red yellow blue 3 phase lines c b general circuit breaker. The controller is factory configured to connect to a 3 phase 4 wire star connected system.
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.
Nc normally closed. But high load 3 phase motor we use the star delta starter for motor. You can see in the below figure i have shown the star delta starter connection with a three phase motor. R y b red yellow blue 3 phase lines c b general circuit breakermain mai supplyy starδ deltac1 c2 c3 contatcors power diagram o l over load relayno normally opennc normally closed k1 contactor contactor coil k1 no contactor holding coil normally open k1 k2 k3 contators for control diagram.
