Answer / raghu

Very difficult to generate HVDC due to commutation probs..
cannot vary voltage levels easily.. most of the loads are
ac loads like induction motors.. transmission has to be
point to point and difficult to tap power.. cost of using
rectifiers and inverters is too high..etc..

Answer / mohd. gulsher

Transmission of DC Power at High voltage is very coslty. it
is not easy to step up & Down to DC power & mostly
electricals equipment e.g. alternator, transformer are work
at ac.

Answer / joy banerjee

Because INDIA is a very big country. There is long distance
gap between the genaration point and the load point.
Transmission of DC at different voltage levels is not
economical.(Now a days HVDC lines are there for
transmission of High Voltage DC but stepping it down for
different voltage levels is not economical). Hence DC is
not preffered.

AC Load is not the factor. (as earlier only Petrol/Disseal
vechiles were found on the road, but after the economically
availability of CNG/LPG people are shifting to the new
feul).
joysbag@gmail.com

Answer / ravikumar

transmission cost is very high, and application of hvdc is very low...

Answer / ashok

becas our home appliances are only in a.c

Either It Possible a dc Motor to Run On Ac Drive [ Ex : ACS 800 , Yaskawa F7 ] If it is Possible How Pls Inform Me dinesh_elect_eng@yahoo.com

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Questions :- HR- Q.1 about yourself & family background ? Q.2 Why u choose Power sector as ur carrier starting not any other sector ?? Q. 3 What think abt NTPC ? Techincal Questions:- Q.1 about Vocational Training……What u did , see the main equipments….etc Q.2 Why a transformer Noise during its running condition ? Q.3 about transformer oil material & Test name for the measurement of its dielectric strength & wht will u do if its dielectric strength goes low ? ……..some discussion type ? Q.4 What is relation between transmission lines & Communication lines ? Q.5 Which Machine u will prefer to use at a place where flammable gases are coming out & why ? Q.6 how fault in an electric system is detected & hw protection of equipments is done ? Q.7 Why we didn’t feel electric shock in an electric train ?? Q.8 Anything u want to ask from us ??

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