A motor works on 30 killo watts.how much ampers will be
required if it works on 440volts?
Answer Posted / irfan ahmad
V=440 V
P=30 Kw = 30000 w
we know that ,
P=1.732VI*(power factor)
I=30000/(1.732*440*0.9)
I=43.7 amps [power factor in application is 0.9]
Is This Answer Correct ? | 4 Yes | 1 No |
Post New Answer View All Answers
what is the chemical name and formula of refrigarent R-134a.
What Is Sampling?
what is the difference between skin effect
how to build a network which step down 415v to 1v rms
Brushes are placed at magnetically neutral axis,when brushes reach that point,the armature conductor gets shorted,but it can be seen that the dc supply is also shorted,wont that get damage? help me plz
what could be the RMS value and average value of a 4 phase sine wave?
How to measure current and voltage in an ELV circuit
What is stepper motor. What is its uses?
According to IEC60034-14, When the vibration monitoring system required for motor Bearing. above which KW, it is required? and for what type of bearing the vibration probe is provided.
Is there any rule to select the voltage of motor based on KW rating? What is the rating above which lt motor becomes the HT motor?.
sir, I am from EEE branch.On feb 17 iam going to write an Exam for hindustan petrolium corporation Ltd.So plz send me the written exam pattern/Q's/interview questions.please mail to eee_dharmendra@yahoo.com
How to improve fuel cell in a distribution system?
Is neutral transformer can be called as control transformer?
what is the working principle of a DG Set, Alternator, & exiter
Dear all, how we select the cable size according to current with or without including different correction factor , is there any direct method for sizing of cable...