Answer / santhosh s

Assistant Engineer- safety

if a motor has 1500rpm then what will its HP?

3 Answers   Willdale,

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Give some differences between open loop and closed loop?

0 Answers   Ericsson,

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if 2 coil of 1000W connect in series and 200 v is applied across it . then what is the total power of coil when coil have only resistive load .

1 Answers   BSNL,

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what is meant by motor protection relay & its working principle ?k

1 Answers   Pricol,

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In Megger which types of test we can do ? and How it works? How to use?

3 Answers   Power Grid,

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How we can change the direction of rotation of Induction motor? Prove it using graphical methods.

2 Answers  

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single phase for 230 then why three phase are 440 volt

4 Answers   ACIL,

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how circuit breaker work.. what is the operations taking place inside a circuit breaker when an overcurrent occurs... is it similar to fuse?

0 Answers   LTT,

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( Re: WHAT SHOULD BE THE RATING OF MCCB FOR 415V,3Ph,50KVAR CAPACITOR BANK Answer # 1 The capacitor current would be kvar x 1000 / (415 x sqrt3). This would be 70a approx. The MCCB selected should have *atleast 1.4 times this current i.e. 1.4 x 70= 98. So you should choose at least 100 A mccb.) regarding to this answer,i would like to know why the current have to times 1.4 to get the right amphere for the mccb.hows the formula to get the 1.4??tq

2 Answers  

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What are the protections required in the main lt panel which is connected to the transformer.

1 Answers   Ispat,

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Is a 300w induction motor used in a food processor as powerful as a 1000w DC motor.

0 Answers  

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What is the relation between frequency and motor rpm?

0 Answers  

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