Answer / mubashar ali

total KW * total runing Hours= unit
for example
5 lamp 100 watt each onload for 6 hour
AC 3000W onload for 3 hour
Motor 5HP (5*746=3730W) onload for 2 hour
than

500/1000 * 6= 3
3000/1000 * 3= 9
3730/1000 * 2= 7.46
total unit = 19.46 * Rs.

Answer / ramesh gaur

one unit is equal to one kwh(1000w per hour)

Answer / vinothbabu.k

P=(1.732*VOLTAGE*AMPS)/1000,
FOR UNIT CONSUPTION:

KWATTS*HOURS=UNIT-ITS FOR INDUCTIVE LOAD,
FOR RESISTIVE LOAD THE ABOVE IS CORRECT,LAMP HEATER IS
RESISTIVE LOAD,
IT DEPANDS ON TYPE OF LOAD.
AND FOR CAPACITIVE & INDUCTIVE LOAD NO OF WORKING HOURS
WILL BE VARRY,FOR EXAMPLE TAKE FRIDGE WAS WORKING FOR 2
HOUR IT TAKE 750W MEANS WE SHOULD NOT
CALCULATE .750*2=1.5KWHR/UNIT,FRIDGE IS A CAPACITIVE LOAD
IT WILL ON OPPROXIMATELY 35 MIN FOR EVERY PER HOUR SO WE
SHOULT TAKE FOR 2 HRS IT WILL ON 1.05HRS FOR 2 HRS,
SO 750*1.05=0.787 UNIT

Answer / chandru

power= v*a
unit=kwh

Answer / sivaram senthil.g

p=v*i

Answer / vinothbabu.k

P=(1.732*VOLTAGE*AMPS)/1000

Answer / mad sarfaraj

power(p)=dw/dt(this is the basic formula 4 power)
and it's S.I. unit is joule/second or watt.

Answer / balaji

Power=i^2*R(resistor multiplied with square of current)

Answer / mohanbabublr

Power=(√3xVxIxCosΦ)/1000

What is the meaning of dsl line in eot crane , and why it is Called down shop lead ? Pls tell exact answer.

3 Answers  

purpose of breaker contact multiplication relay?

5 Answers   ABB,

what is stay bow?

2 Answers  

Hi Suppose we have a wye/wye transformer which is grounded at both sides,in this situation, do we have ay ground transformer? in other words, ground transformer can do any thing more (while we have nuetral wire in both sides)? As the last question, what about 3rd harmonic? we have two choices: first using wye/delta transformer + ground transformer and second using wye/wye earthed connection.in the former choice, we dont have 3rd harmoonic at the secondary side but what about Yn/yn conection? do we suffer from 3rd harmonic in the Yn/yn connection?

0 Answers  

How does the humidity affect in breakdown voltage of air?. Is the breakdown voltage increases with the humidity?

2 Answers  

What are the different protection systems takes place on control panel board?

7 Answers   BSNL,

what is the distance maintained between the power and data cables with respect to the KVA .... plss give me the formula

1 Answers  

what is the ATS .And how it works.

0 Answers  

i want to know that what is the eligibility critaria for ongc exam?

0 Answers  

what are the major & minor faults that occur in an inverter and in UPS ? And how to repair and resolve them ?

0 Answers  

If single phase supply is 220v. then why three phase supply is 660?

2 Answers  

what is the other name of dc series motor

2 Answers