What are the advantages of star-delta starter with induction motor?

What are the advantages of star-delta starter with induction motor?
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1 Answer

Answer :

The main advantage of using the star delta starter is reduction of current during the starting of the motor. Starting current is reduced to
3-4 times of current of Direct online starting Hence the starting current is reduced , the voltage drops during the starting of motor in systems
are reduced
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Why Delta Star transformer Are Used For Lighting Loads?

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Description : State the voltage and current relation in star and delta connection. 

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What are the value of voltage and current in star connection and in delta connection?

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Why Delta Star Transformers are used for Lighting Loads?

Description : Why Delta Star Transformers are used for Lighting Loads?

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Description : In a three phase transformer, if the primary side is connected in star and secondary side is connected in delta, what is the angle difference between phase voltage in the two cases. (A) delta side lags by -30°. (B) star side lags by -30°. (C) delta side leads by 30°. (D) star side leads by -30°.

Last Answer : Ans: C This is vector group and has +30° displacement. Therefore, delta side leads by +30°.

What is the impedance per phase of delta connected motor?

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Last Answer : 1.5 times the total impedance.

What will happen if induction motor is in star-star connected?

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What are the advantages of open end winding induction motor over conventional induction motor?

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List any four advantages and two disadvantages of 3 phase induction motor.

Description : List any four advantages and two disadvantages of 3 phase induction motor.

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State any four advantages of three phase induction motor.

Description : State any four advantages of three phase induction motor. 

Last Answer : Advantages of three phase induction motor https://youtu.be/27OIOCKN05U

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Description : What are the advantages and disadvantages of Induction Motors?

Last Answer : Advantages: It is simple and rugged in construction It is relatively cheap Induction motors require less maintenance Induction motor has high efficiency and reasonably good power factor 3-phase induction ... and its speed cannot be changed easily Its starting torque is inferior to dc shunt motor