T-Phi Network (Star-Delta) Using Relays and Timer

1. Introduction

Figure 1. Star and Delta Connection Diagram
Figure 2. star Delta Motor Diagram

2. Simulation Design

Figure 3. T (star) Circuit (Left) andPi (Delta) Circuit (Right)
Figure 4. Star-Delta Circuit Simulation (left: star, right: delta)
Figure 5. Ladder diagram of star-delta motor

3. Experiment

Figure 6. Realizing simulation
Figure 7. Time Circuit Diagram
Figure 8. Condition in Star Circuit (dim)
Figure 9. Condition in Delta Circuit (bright)

4. Conclusion

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