In this video I hope to explain the circuit diagrams required to run a 3phase motor in star delta mode.
A star delta starter is the most commonly used method for the starting of a 3 phase induction motor. In star delta starting an induction motor is connected in through a star connection throughout the starting period. Then once the motor reaches the required speed, the motor is connected in through a delta connection.
A star delta starter will start a motor with a star connected stator winding. When motor reaches about 80% of its full load speed, it will begin to run in a delta connected stator winding.
This starter is used to reduce the starting current of the Motor without the use of any external device or device.
A balloon timer is used for this. It must be connected to the main contactor.
***Advantages of Star Delta Starter
1.No heat is produced, or tap changing device needs to be used, hence efficiency increases.
2.Starting current reduced to 1/3 of direct online starting current.
3.Produce high torque per ampere of line current.
4.Inexpensive.
***Disadvantages of Star Delta Starter
1. Starting torque is reduced to 1/3 of full load torque.
2. A particular set of motors required.
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Background Music-
Keep on Bringing Me Back by Broke in Summer https://soundcloud.com/brokeinsummer Creative Commons — Attribution 3.0 Unported — CC BY 3.0 Free Download / Stream: https://bit.ly/3oNdzUL Music promoted by Audio Library https://youtu.be/OkVbFx1yCDg
A star delta starter is the most commonly used method for the starting of a 3 phase induction motor. In star delta starting an induction motor is connected in through a star connection throughout the starting period. Then once the motor reaches the required speed, the motor is connected in through a delta connection.
A star delta starter will start a motor with a star connected stator winding. When motor reaches about 80% of its full load speed, it will begin to run in a delta connected stator winding.
This starter is used to reduce the starting current of the Motor without the use of any external device or device.
A balloon timer is used for this. It must be connected to the main contactor.
***Advantages of Star Delta Starter
1.No heat is produced, or tap changing device needs to be used, hence efficiency increases.
2.Starting current reduced to 1/3 of direct online starting current.
3.Produce high torque per ampere of line current.
4.Inexpensive.
***Disadvantages of Star Delta Starter
1. Starting torque is reduced to 1/3 of full load torque.
2. A particular set of motors required.
My other videos:
https://youtu.be/b6dDmr4jSkY
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https://youtu.be/9io2W5aihT8
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Watch out: **electrical wiring is very dangerous**you could be shocked or killed. If you are not trained and familiar with proper, safe electrical wiring practices don't try it.
Background Music-
Keep on Bringing Me Back by Broke in Summer https://soundcloud.com/brokeinsummer Creative Commons — Attribution 3.0 Unported — CC BY 3.0 Free Download / Stream: https://bit.ly/3oNdzUL Music promoted by Audio Library https://youtu.be/OkVbFx1yCDg
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