Follow Our FB Page << CircleMedia.in >> for Daily Laughter. We Post Funny, Viral, Comedy Videos, Memes, Vines...


Pls explain about vfd control?Where it is used, Give some
example?

Answers were Sorted based on User's Feedback



Pls explain about vfd control?Where it is used, Give some example?..

Answer / tanmay maheshwari

Variable frequency Drives(vfd) are used for controlling the
speed of AC motors by changing the frequency of power
supply. the advantage of using them is they can be used for
multiple machines having various ratings. The
cycloconverters are used for the conversion purpose.
they are used for ventellating purpose, in pumps etc.

Is This Answer Correct ?    11 Yes 0 No

Pls explain about vfd control?Where it is used, Give some example?..

Answer / anil

Variable frequency Drives(vfd) are used for controlling the
speed of AC motors by changing the frequency of power
supply. the advantage of using them is fast and accurate
and more controlled and relaible device they can be used
for where speed is very important such as CNC ,machin
tools , special purpose conveyer m/c etc.

Is This Answer Correct ?    3 Yes 1 No

Pls explain about vfd control?Where it is used, Give some example?..

Answer / sakkaravarthi soganur arakonam

VFD variable frequency drives and also known as vvvf
variable voltage variable frequency and also konws vsd
variable speed drives,vfd works on v/f ratio means if
frequency increase voltage will increase at rated voltage
if frequency will increases voltage ramainig constant

its used conveyors ,cranes,higer LT motor,

Is This Answer Correct ?    3 Yes 3 No

Post New Answer



More Electrical Engineering Interview Questions

What are the basic properties of signal flow graph?

0 Answers  


List of equipments required foe industrial repair lab.

0 Answers  


How to calculate u.p.s load parsentage plz give me formula

1 Answers  


why the secondary current transformer cannot left open

1 Answers  


what parameters should we check to reduce the power bill

0 Answers  






how is find out kwh step by step

0 Answers   Voith,


how to select the cable size? any formula to calculate cable size?

4 Answers  


how can i improve the power factor in domestic (230v)

0 Answers   Epcos,


What is the advisble power factor to be maintained in grid connecting power generation plnats without any effecting the generator.

1 Answers  


Difference between RCCB, RCBO and ELMCB.

0 Answers   Megatron Solutions,


during positive and negative half cycle of ac supply what happenes in the load?

1 Answers   Siemens, Wipro,


what is the difference between brushed alternator ,brushless alternator & permanent alternator ?

1 Answers  






Categories
  • Civil Engineering Interview Questions Civil Engineering (5074)
  • Mechanical Engineering Interview Questions Mechanical Engineering (4444)
  • Electrical Engineering Interview Questions Electrical Engineering (16594)
  • Electronics Communications Interview Questions Electronics Communications (3915)
  • Chemical Engineering Interview Questions Chemical Engineering (1092)
  • Aeronautical Engineering Interview Questions Aeronautical Engineering (214)
  • Bio Engineering Interview Questions Bio Engineering (96)
  • Metallurgy Interview Questions Metallurgy (361)
  • Industrial Engineering Interview Questions Industrial Engineering (258)
  • Instrumentation Interview Questions Instrumentation (2986)
  • Automobile Engineering Interview Questions Automobile Engineering (332)
  • Mechatronics Engineering Interview Questions Mechatronics Engineering (97)
  • Marine Engineering Interview Questions Marine Engineering (123)
  • Power Plant Engineering Interview Questions Power Plant Engineering (170)
  • Textile Engineering Interview Questions Textile Engineering (575)
  • Production Engineering Interview Questions Production Engineering (0)
  • Satellite Systems Engineering Interview Questions Satellite Systems Engineering (106)
  • Engineering AllOther Interview Questions Engineering AllOther (1377)