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
How to select the earthing transformer,for DELTA TO DELTA TRANSFORMER OR ALTERNATOR SIDE.Pls post your answers and calculation.
if we install two earth pits with a clear space of 5m without any interconnection,by checking the digital multimeter will it show continuity between earth pits? If so what would be the approx. value
In 11/0.414 KV Parralel supply network with Bus tie closed what will be the fault level is it doubled or halved??
what is the requirement regarding earthing of Single conductor with AWA
Why slip ring ind. motor power consumption is low compare to induction motor .same 90 kw motor used same load output
Why control of DC motor is simpler?
show the single line diagram of star delta starter with single phase preventer
what is inter connected dc generator?
What is measurement?
1.dg on load alarm/stop alarm... 2.dg on load. piu alarm alarm kaise chek krte hai
H.t motor 6600 volt to same motor lt supply 440volt supply applyed to h.t motor to effect....
What is the simplest formula to calculate the rotor diameter of a synchronous generator?
What Normal(Tangent) towers and Tension(Cut-point) Towers?
What is the difference between type1 and type2 relay protection co-ordination for motor feeders
What is the difference between AC and DC injection methods for rotor earth fault protection