why should be the frequency is 50 hz only why not others
like 45, 95 56 or anything ,
why should we maintain the frequency constant
if so why it is only 50
Answer Posted / kalidhas
50 Hz frequency is the indian standard maintained in power
sysytem so that all electrical eqquipments are designed in
at this Frequency.Otherwise not other reasons..
Is This Answer Correct ? | 2 Yes | 1 No |
Post New Answer View All Answers
What is the effect of positive feedback on stability of the system?
1)what is the function of a frequency inverter? 2)If a few frequency inverter are connected onto a device network,what are the two setting that will ensure the frequency inverter work properly on the network. 3)whats is the name of the input sensor for weigher? 4)How to confirm that the load cellis faulty? 5)Describe briefly the steps to validate that the weigher is working properly? 6)Describe the procedure to validate the flowmeter accuracy? 7)Describe briefly the steps to validate that the tempreture sensor/transformer is working properly. 8)what is the adjustment that need to be done when you are calibrating the temperature transmitter ? 9)what are the safety measures to be taken before disconnecting motor for rewinding. 10)whats is the synchronous speed in rpm of typical 4pole 50hz motor? 11)whats is the formula for kw, ohm's law 12)if a 3phase motor is rated 3kw,415vac,what is it's rated ampere?
In a large office how do we calculate required number of light fittings, assuming fittings are 4x18W or 2x36W fluorescent fitting ?
why ht cable end termination don't have a gland?
How does PLC work for sychronising of Two or more DG sets?
HOE WE CAN IMPROOVE BY USE OF CAPACITOR
What is the difference IN MCCB's between thermal magnetic and electronic tripping system ?
how to estimate wiring ins roughing ins. and boxes
how can maintaince the acb contactor moveing and fixing kit
What is Percentage impedence of a transformer? why it is expressed at a percentage? what is the importance of percentage impedence in case of a transformer?
why we use Test Terminal Block in 11 KV and 33 KV electrical panels.
hi frnds...pls send me aptransco previous papers .....pls..pls,,,(madhar.rocking@gmail.com)and suggest me some websites
Define Electrical Insulation and examples of Solid,Liquid and Gaseous insulating materials?
what is the prinsiple of dc motor and construction and working ,application of dc motor.
please send 5yearje solved papers on my email himmatsinghnathawat@gmail.com