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TOP >> Products >> Star-delta Starting Circuit Training Apparatus >> Starter Principle

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Circuit Necessity
Starter Principle
Application Example
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Starter Principle

When connected to the equivalent three phase power source, the voltage and current computation for each of star and delta connections are shown here. In comparison of the line currents to conclude, the line current of the star connection is one third of that of the delta connection. ( Phase current = 1/(√3) )

Star Connection

Delta Connection

Conclusion

The comparison result of the line currents between the star and delta connections is shown here.

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