3 Phase Motor Star Delta Control 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 forward with timer power control diagram starting stopping of 3 phase motor from more than one place power control diagrams control 3 phase motor from more than two buttons power control diagrams.
First a main switch or mcb or mccb is connected to give the power supply to the circuit. Star delta starter without timer for 3 phase induction motor. Power control wiring diagram of star delta starter.
In the case of a normal three phase connection we would need more wire and that s why we use this type of connection.
Three phase motor connection star delta y δ reverse forward with timer power control diagram starting stopping of 3 phase motor from more than one place power control diagrams control 3 phase motor from more than two buttons power control diagrams. In a three phase motor the delta and star connection is the way in which the coils are connected. Three phase motor connection star delta y δ reverse forward with timer power control diagram starting stopping of 3 phase motor from more than one place power control diagrams control 3 phase motor from more than two buttons power control diagrams. 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.
