Star Delta Starter Wiring Diagram. Here the circuit diagram of Star Delta Starter explained in detail. In control wiring diagram all magnetic contactors coils are rated 220 vac.
Figure 31-Wiring and control circuit diagram of Automatic Star Delta Starter L1 L2 L3 - Lines S Star Contacts Cs Operating coil for star contacts D Delta contacts Cd Operating coil for delta contacts M Line contacts Cm Operating coil for main contacts TR Pneumatic Timer TO Time Opening Contact TC Time. 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. The power circuit uses to create contact between the motor and three-phase power supply.
R Y B Red Yellow Blue 3 Phase LinesCB General Circuit BreakerMain Mai SupplyY StarD DeltaC1 C2 C3 Contatcors Power DiagramOL Over Load RelayNO Normally OpenNC Normally Closed K1 Contactor Contactor coil K1NO Contactor Holding Coil Normally OpenK1 K2 K3 Contators For Control Diagram.
A 8 pin timer is used. So this time i want share my simple star delta circuit diagram completed with power and control line circuiti hope it can be as basic reference for all electrician about. In control wiring diagram all magnetic contactors coils are rated 220 vac. In this tutorial we will show the Star-Delta Y-D 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.