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 difference between AC VVVF drive & Dc VVVF drive
explain their working principle?

Answer Posted / tapiwanashe vhurumuku

vvvf stands for variable voltage variable frequency .this can only be used when first changing direct current into alternating current

Is This Answer Correct ?    0 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

How to select transmission line type (i.e. 11kv or 33kv) for new established industries

2037


by using pump duty, how we will can calculate the motor duty(KW)? is there any standard or formula.

1983


two phases with neutral supply can be taken in 3C X 10 sq.mm cable .

1433


What is boucholz relay and the significance of it in to the trformer?

1155


What are the components of feedback control system?

1096


I am getting above 60 V as open delta voltage against single phase unit ICT at tertiary delta formed and ICT getting trippped on NDR. ICT tested and found in order. PTs provided on tertiary are tested and in order. what may be the reason?

2126


why we are not giving the zone 1 trip command to the master trip relay

1737


What are the difference between normal application Transformer and Solar application Transformer?

1665


how could we calculate the no of outgoings from a 800 watt distribution board

1833


Hi all I had applied for the RRB test in the ELECRICAL category. I would be pleased if any of you can sent me previous year question papers. Please forward the question papers to varshashahi@yahoo.com Thanks and regards Varsha

2188


how does ELR works? explain

2697


whats the application of voltage regulation? and whats the voltage regulation's device?

1899


What is the transfer function?

1097


can u describe the method used for protection of transmission line.

2227


What is the count of hvdc transmission lines in india?

1101