What is the difference between AC Drives and DC Drives?
Answer Posted / rvg.msceb
DC drives performing the following functions:
1.speed control of DC motors
2.Breaking by applying resistance at rotor.
3.uses converter and chopper.
AC drives performing the following functions:
1.speed control of AC motors
2.Breaking/accelerating by changing the frequency of the
supply.
3.uses converter and inverter.
| Is This Answer Correct ? | 53 Yes | 19 No |
Post New Answer View All Answers
Define non-touching loop.
Mention the methods for starting an induction motor?
raleigh method
oil cooled transformer
can anybody send me syllabus of rrb section engg (electrical). and also send previous question pepar...
what is die electric strnth of transformer ?
An ELHNC 80amp 240v 30mA RCD is tripping periodically, every 30 - 180 seconds is it safe to disconnect the protection circuit?
write a program that prints prime numbers from 1-20 in digonal form
why you don not show protection and type of isolation in key single line diagram?
what is the function of anti pumping relays? what is KVAR? How it is generated in alternator? What is 3rd Harmonics? What is IDMT relay?
Discribe type of fault in DOL and stardelta startor.
What are the Return ( Monthly / quarterly/ Annual submitted to Electical Inspector for an establishment (Factory in Maharashtra-- Small scale category having seperate HT line of 22KV ) as per Maharashtra Electricity Act
How to operate a ac chilar plant?
what is upper impedance and lower impedance of a distance relay
What is lc oscillator?