why the indian frequency is 50 hz & U.S.Frequency of 60 hz

3 Answers  

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how can we understand that where we have to use ac or dc coil for solenoid valve and why?what is the different between coil of ac and dc explain please.

0 Answers   TK Group,

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I AM FROM ELECTRICAL ENGINEERING ? I AM ASPIRING FOR "BHEL".HOW I HAVE TO PREPARE .ON WHICH TOPICS TO BE CONCENTRATE MORE.PLEASE GIVE FULL DETAILS OF WRITTEN EXAM.

0 Answers   Bhel,

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WHAT IS THE DIFFERENCE BETWEEN GENERAL INVERTER AND SOLOR INVERTER TELL ME PLZ

0 Answers   Epcon,

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why ac can not be stored?

5 Answers  

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Sir 33kva 2 transformer load 900 amp calc 1800 amp mana jayega

0 Answers   Classic Infotech,

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When in a large power system if the demand of power is larger than the generated power the frequency of the power system drops.(assume the rated frequency is 50Hz and now it is 49Hz) So does this mean the demand is totally supplied with a lower value of generated power in a lower frequency?

1 Answers  

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IF WE SELECT THE 60H FREQUENCY IN INDIA WHAT WILL THE GOOD AND BAD EFFECT ?

3 Answers  

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how to find insulation resistance of a motor(415v) by theoretical formula??

2 Answers  

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if transmission voltage expressed as the multipple of form factor(1.11)........11,33,66,220 etc......then why madakkathara substation(kerala) voltage is 400kv..not 440.....?

2 Answers   KSEB,

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Why -48V dc power supply using in telecom field?

7 Answers   APC, Cisco,

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why ups rated in kva

1 Answers   MRF,

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