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A star-delta wiring diagram is used to connect three-phase induction motors to reduce the starting current and torque. In the star configuration, the motor windings are connected in a "Y" shape, allowing for a lower voltage during startup. Once the motor reaches a certain speed, a switch transitions the connection to the delta configuration, enabling full voltage and higher torque for normal operation. This method is commonly implemented in industrial applications to protect equipment and reduce electrical stress during startup.

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Star delta control circuit diagram?

The Star-Delta control circuit diagram shows the delta contact and the main contact.


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