Control Diagram Of Star Delta Starter. Power control wiring diagram of star delta starter. Next the circuit goes through the nc terminals of the thermal over load relay.
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. Scheme control circuit of star delta starter open transition the on push button starts the circuit by initially energizing star contactor coil km1 of star circuit and timer coil kt circuit. 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 wiring diagram.
When star contactor coil km1 energized star main and auxiliary contactor change its position from no to nc. Control wiring of star delta starter with diagram wiring diagram is a simplified adequate pictorial representation of an electrical circuit it shows the components of the circuit as simplified shapes and the capability and signal connections amongst the devices. Star delta motor starter the following figure shows the winding connections in star and delta configuration one by one. When star contactor coil km1 energized star main and auxiliary contactor change its position from no to nc.
