need to make a report. Need to choose a 3phase induction motor. Load conditions motor will operate in : Maximum Load: 30 Kw Speed: 2950 rpm Ambient temp: 20 cent Supply voltage: 440V Frequency: 50Hz need to look for the safety factor when choosing the motor, went through catalouge found a few, but dont know how to choose the safety factor allowing an extra load something above 30 KW to avoid any harm.

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Explain The Application Of Storage Batteries?

0 Answers   ABB,

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Hai, 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 yuva_polisetti@yahoo.co.in

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how single phase preventer works ?

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Is single load(eg: three phase motor) having all the components like positive,negative,zero sequence components during fault condition?

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I need a formula to calculate the size of cable as per load but in the terms of length. Please Reply me as i search lot of sites but i did not get the answer.

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Why earthing done?

1 Answers   CBRE,

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what effect on electrical equipment if PF is gone over 0.996 in leading when provider say that its keep in minimum 0.996lagging

3 Answers   ABB,

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what do you mean by synchronous speed of a three phase induction motor?

5 Answers   FlexPoint,

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When the load on the system is zero and Capacitor bank is on condition, is capacitor bank takes any load?

2 Answers  

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diffance between eletrical and eletronics?

3 Answers  

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In an ideal transformer no load primary current I0 A lags behind V1 by 90 degree B is in the phase with V1 C leads V1 by 90 degree D lags V1 by 45 degree

1 Answers  

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