what is VFD and where is use of it

Answer Posted / ahmed qasem

VFD is Variable Frequency Drive and it is also called VSD where S means Speed. It is used to control the speed of the motor wherever applicable.

Is This Answer Correct ?    2 Yes 1 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

my name is venkat .i have good percentage in my academics(ssc 86, intermediate 83 b.tech 73) my question 1..after completion of my ssc i joined in bpc but i didnt got rank in emcet so i completed MPC in one year compartmentally ..so here what am expect question from this background?

1459


How may I enrol or get admission to your program?

1469


what is the string efficiency

4474


why the protection turbo generators is most complex?

1509


What are the types of class b amplifier?

601






Who are the manufacturer for Nitrogen based Fire Protectio/explosion prevention for Oil Filled Transformers? India and international both?

1420


I am having a 1500 KVA transformer whose secondary current is 2086A and my connected load is 1000 KVA, I am having 400 KVAR APFCR for PF improvement what ratio of CT should i install in LT EB Bus to get optimum PF improvement?

1314


what is the significance of tan&delta and how it performed in power transformer

1426


How the PF control while running DG set with load

1622


What is the difference between UPS & inverter ? which UPS is better and whos got the edge ? what is the difference between & inverter ? which UPS is better and whos got the edge 12 V , 24 V , 36 V etc what are the advantages of 12 V, 24 V , 36 V etc and what are the disadvantages of 12 V, 24 V, 36 V etc thanks

1479


What is the safety of UPS?

1279


WHAT IS IM (INDEX OF MOUNTING )IN MOTORS

1559


ROC converges if poles and zeros lie inside a. Origion b. Z=1

1783


Electronic circuit

602


Why does increasing the magnetic flux in the main field of a d.c motor cause the armature current to reduce??

1517