in india why 50 hz and 220 volt taken as standard rating for
equipments whereas in US 100hz and 110v is consided as
standard rating.is this method save power.

Answer Posted / eduardo

I don´t know, but I think it is because all European
countries use 230 V 50 Hz.
I think India is now 230 V and not 220 V (as in Europe).
And in American continent is 60 Hz not 100Hz

Is This Answer Correct ?    4 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

what is the voltages using in movie theaters??? why ??why not other??

1724


what is the criteria for selection of conductor used for ehv ac electrical dischrge

1605


a battery is having capacity 100AH and 25% charging .if a load taking 10A & connected 6 hour .what is the final condition of the battery.

1194


percetans

1707


what kind of quetions will ask in BHEL in interview? Plz help me?

1574






why we use single core 630mm2 cable for transformer secondary side

481


when we design electrical schemes of 11/.415kv distribution..wen and were should we show the relays??what is the function of it?for example..we place EFR Relay CT between transformer neutral link and transformer earth.Like this what are the other type of relays we should use?why?where?Explain please..Thank you

1376


Why have to use copper cable for local isolator to motor ?

1656


how does an encoder work???

2040


plz send me the syllabus or any sample paper for engineer trainee recruitment if any,on ravinder911@yahoo.com

1692


A 3-phase IM is supplied from 50 Hz system. It runs at speed of 1440 rpm and slip equal to 4 %. Calculate number of pole pairs. A 1 B 6 C 2 D 3

1577


What are the advantages of thermal power plant?

680


Why colled 440V to 3-phase supply.

1677


why r we using shell transformer for low voltage

1539


Why delta star trformers are used for lighting loads?

734