Interested to Buy Any Domain ? << Click Here >> for more details...
A motor works on 30 killo watts.how much ampers will be
required if it works on 440volts?
- 5 Answers
- 7640 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 does ELR works? explain
show the single line diagram of star delta starter with single phase preventer
please tell me when we start motor without load in star or delta connection whose current above condition,pl write formula
1. What is differential relay? How it operates? 2.How to calculate the Short Circuit Impedance in Transformer? 3.What is the alternate solution for testing of polarity by using polarity tester while its milli ammeter does not works? 4. While testing the 33KV Busbar by using Hipot kit, what should be the test voltage we have to apply? 5. What is the procedure/activities to be taken to inject the current more than 2000A by using 2000A Loading Transformer? 6. Explain how you can give the overload setting to any Motor Protection Relay for a HT motors with formula and example? 7. Why restricted earth fault protection is needed? Why can’t differential Protection is sufficient? 8. What should be the minimum and maximum ohmic value for earthing? 9. Why DC Currents are not used in transformer? 10. What is the Frequency while we step up the voltage from 220V to 11KV? Is it possible? Explain it?
Where should the lighting arrestor be placed in distribution lines?
Is it required to lay GI wires along with GI/MS conduits from one point to another point though separate earthing cable is conncted from DB to Socket?
How to use computer cpu ups use for home inverter circuit board
who can measure the size of power cable?
placing earthing pit in pathway is correct or wrong??. placing earthing wireGI1/18 inside walls is correct or wrong?. explain!!!
i need list of swg(standard wire guage) or area of conductor v/s current carrying capacity of conductor copper & alluminium...
what is rating boiler
Dear Sir I am living in Jaipur Rajasthan now I did complete my b tech degree in electrical engineering in 2012 Sir how I gate certificate of competency for electrical supervisor
I want the details about BHEL company examination.Can anyone able to help me please.
What will be result if we connect LT votage to the terminal of HT motor?
What is Auto Mains Failure Panel & Auto Synchronizing Panel
