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

How can we convert dc to equivalent ac??

4 Answers  

Hi, My question is our total motor load is 55 kw.so what cable size required for main supply. Please reply

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DEAR ALL I have motors ( 10 units )each one is 90kw 380V 50 HZ 1000rpm but new local pwer is 220v 60 hz requierd rpm should be 1000 pleas what the beast solution is used frequncy converter or rewinding all motos or chang all motors thanks

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