Interested to Buy Any Domain ? << Click Here >> for more details...
What is the difference between AC Drives and DC Drives?
- 14 Answers
- 95919 Views
- College School Exams Tests, La-Gajjar Machineries, LG, Schneider, SMEL, I also Faced
- E-Mail Answers
Answer Posted / abhas patel
drives are used only for motion control so if you are
talking about ac or dc drives then both are only used for
motor speed control by controlling ac or dc output voltage
DC drives are used for DC motors speed control whereas ac
drives are used for AC motors . Moreover DC drives have
only converter whereas ac drives have both converter and
inverter . in DC drives , thyristors are normally used for
converter whereas in Ac drives , thyristors/IGBT/ IGCT are
used dependong on the applications
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 ? | 66 Yes | 19 No |
Post New Answer View All Answers
which stabilizer is better ? AVR, Servo Stabilizer, Static stabilizer etc & why explain it
i installed 100kva ups. what KVA genset they should provid in input side? plz any update formula or ans with reason.
xfhnchncv?
how to copy from plc ge fanuc versamax series,all input and output, adress, and printout.
What is the role of Dedicated earthing in UPS System?
What are the advantages and disadvantages of short-pitched winding?
how to calculate current and voltage in a same circuit?
How do we find the rating of a transformer, if it got burnt badly.
The electromagnetic torque developed is proportional to what in a D.C series motor?
what are pilot cells
Why 9KV surge arrester having 7.65KV of MCOV?
acb(AIR CIRCUIT BREAKER)NOT CHARGING AUTO
I am going to appear RRB Sr. Section Engineer Exam, Electrical. Can you send me previous year questions of RRB Electrical engineer. specially Section Engineer questions. my email id is likerahulworld@gmail.com
please send the last 5 years {{{JUNIOR ENGINEER - ELECTICAL, ELECTRONICS RRB CHENNAI and secundrabad}}} TECHNICAL question papers TO MY EMAIL ID dinesh100701@gmail.com
Is better to supply the voltage for static exciter from the auxiliary power source or from the SG terminals? And why?
