A motor works on 30 killo watts.how much ampers will be
required if it works on 440volts?
- 5 Answers
- 6059 Views
- I also Faced
- E-Mail Answers
Answer Posted / gaurang
We Know the Power Equation
P=1.732*V*I*Cosphi
So As per Details
P=30 KW
V=440 Volts
Then,
I=30 KW/1.732*440*0.8
Wher Cos phi=0.8
I=49 A
| Is This Answer Correct ? | 5 Yes | 2 No |
Post New Answer View All Answers
how many joints are allowed in underground HT cable of 1 KM
how can service sitting be setted for MCCB?Example for sittings IR (CURRENT RATING),IS(CURRENT STARTING)IO (current operating)?
What is knee point voltage?
what is the function of anti pumping relays? what is KVAR? How it is generated in alternator? What is 3rd Harmonics? What is IDMT relay?
how are reversing the direction of rotation of dc motor
Why r u using pf panel. what the uses
What is the physical significance of phase.. i.e. what is exactly the meaning in layman's language.. 1 phase, 3 phase etc ???
whate is the meaning of balance/unbalance,in stabilizers type
What is the type of earth fault protection used in battery? explain.
Is there a standard depth of gravel fill in Substation Switchyard? Please give a design/drawing. Thank you.
What is the source of dependent source ?
for opening electrical shop, tips needed.
Explain the terms real power, apparent power and reactive power for ac circuits and also the units used.
How to calculate or formula to calculate rhe power in 2 phase system ??
Can the output voltage of a rectifier be greater than the input AC voltage without the use of any voltage multiplier in the circuit??please provide the explanation too..
