Answer Posted / vijay
vvvfd means varieable voltage variable freqwency drive.
| Is This Answer Correct ? | 6 Yes | 0 No |
Post New Answer View All Answers
how to calculate transformer turn primary & secondary side 11kv to 420v
What type of fittings and electrical accessories can be install in radiation area ?
How should i design a 1ph & 3 ph transformer. Kindly let meknow all steps and formulaes related to design from scratch.
If a rotary UPS is in line through grid power; What would be the impact on Power Factor if the load through rotary ups is 25% , 50% , 75% & 100%. Will the power factor reduce with less load?
what transformer we used normally and upto which kva?
how to calculate the battery AH
What size cable (based on voltage drop) is required to supply a 40 A three phase boiler if the wiring system is 75V single insulated cables installed in non-metallic rigid conduit 56m from the main switchboard? Voltage drop in the consumer's mains is 8V.
What is the difference between single point and double point bonding. please kindly detail about bonding of cables.
Please brief me about number of pole in alternator.In single phase alternator coils are connected in star or series. How to calculate frequency for the same.
where are the circulat the diesel in DG parts name with pictue
Can we transmit digital signal to long distance ?
While testing a ZCT what parameters have to check or measure?
how to avoid Saturation in C.T?
how is find out kwh step by step
Show Details FROM:Muhammed Ikram TO:qa@allinterview.com Message flagged Saturday, June 4, 2011 10:07 PMMessage bodyHello all, i want to ask a question to all of you that what is VMM (voltage monitoring module )? how it work,s? i heard somewhere that it compare 1 phase voltage to other phase voltage. but there is also some setting on it. how to set it,s setting. please tell me briefly. Thank,s and Regard,s. Muhammed Ikram.