Golgappa.net | Golgappa.org | BagIndia.net | BodyIndia.Com | CabIndia.net | CarsBikes.net | CarsBikes.org | CashIndia.net | ConsumerIndia.net | CookingIndia.net | DataIndia.net | DealIndia.net | EmailIndia.net | FirstTablet.com | FirstTourist.com | ForsaleIndia.net | IndiaBody.Com | IndiaCab.net | IndiaCash.net | IndiaModel.net | KidForum.net | OfficeIndia.net | PaysIndia.com | RestaurantIndia.net | RestaurantsIndia.net | SaleForum.net | SellForum.net | SoldIndia.com | StarIndia.net | TomatoCab.com | TomatoCabs.com | TownIndia.com
Interested to Buy Any Domain ? << Click Here >> for more details...

what is the VVVFD and?

Answer Posted / shashi bhushan

generaly AC drive supplied with AC voltage , but where we
need variable source , there we use VVVFD(variable voltage
variable frequency drive).
raquirement for VVVFD.......
1.ac source
2.rectfier circuit.
3.filter circuit.
4.inverter circuit
5.IGBT

Is This Answer Correct ?    2 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What will be the current if the resistance total in a series circuit doubles?

1211


How do you select the pickup value of the relay?

1334


Explain dc generator with its types?

1128


What is the reason that the humming sound is coming from the induction furnace panel?

2603


i have interview in Pepsi company what type of question will ask please send the question and answeer

3476


how many joints are allowed in underground HT cable of 1 KM

1878


What is the Diff. btw Manule Pull Station & Manule Abort Station Switches used in FM200 System??

1861


write circuit diagram for a motor rotate in forward direction once it started and when pressed the same button it should rotate in anticlockwise.

2564


wow to calculate the transformer rating(KVA)

2271


HOW WE KNOW IN PHYSICALLY THE CONTACT SURFACE OF A VACUUM INTERRUPTER IS GOOD OR GOING TO DAMAGE IN A VCB AFTER ABOVE 500 TIMES OPERATED.

2055


how braking & making capacity of circuit breaker is calculated?

2005


it is possible to rotate the DG engine dc starter with wrong polarity connections? why?

2256


What is capacitance?

1234


What is the minimum distance to be maintained in between HT panel and LT panel and Instrument panel as per IEC and NEC standards?

1731


What is knee point voltage?

1147