You might have seen that in order to start a high power rating induction motor, a starting technique called star-delta is used. In this video, we will understand why a star-delta starter is needed, and how it is accomplished practically with help of animation.
An asynchronous motor has a high torque and can absorb 4 to 8 times its nominal current on start-up, which risks causing disturbances on the electrical network, voltage drop, tripping of protection. To reduce this current draw, a simple and financially attractive process is used, star/delta starting, because 3 power contactors and a simple remote control are enough to operate.
You might have seen that in order to start a high power rating induction motor, a starting technique called star-delta is used. In this video, we will understand why a star-delta starter is needed, and how it is accomplished practically with help of animation.
An asynchronous motor has a high torque and can absorb 4 to 8 times its nominal current on start-up, which risks causing disturbances on the electrical network, voltage drop, tripping of protection. To reduce this current draw, a simple and financially attractive process is used, star/delta starting, because 3 power contactors and a simple remote control are enough to operate.
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