ELECTRIC DRIVES AND CONTROL(131305) ANNA UNIVERSITY QUESTION BANK DOWNLOAD

ELECTRIC DRIVES AND CONTROL(131305) ANNA UNIVERSITY QUESTION BANK DOWNLOAD

1. What is meant by electrical drive?


2. Draw the block diagram of an electrical drive system.


3. Draw the mechanical characteristics of DC series motor.


4. Define plugging in three phase induction motor.


5. Why a starter is necessary for a DC motor?


6. Name the various types of starters commonly used for starting an induction motor.


7. What is static Ward-Leonard drive?


8. State the advantages of DC chopper drives.


9. Mention some of the merits and demerits of AC drives.


10. What is meant by v/f control?


11. Explain about OLR coil


12. Mention different types of three phase motor starters.




















13. Mention the factors affecting the speed of a DC motor.


14. State the advantages of flux control method.


15. List the various advantages of DC Chopper.


16. Bring out the starting current equation and explain how it
Reaches the very high value.


17. What is the need of NVC in starter?


18. Draw the general block diagram of starter circuit.


19. List the various methods of controlling speed of DC shunt
Motor.


20. What do you mean by controlled rectifier?

 

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