Draw a Block diagram of TWO UPS systems connected in Parallel in Paralled mode?

0 Answers   HSL,

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What are the types of relay ?

3 Answers  

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why vacuume circuit breaker is not used for EHV

3 Answers   College School Exams Tests, Crompton Greaves,

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what is IP55,IP65

2 Answers  

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We have .ht motor which is 60Hz.we run on 50Hz.so that it's speed reduce but we had one prob.that motor winding temp increase up to 135 deg.we want reduce this temp.what to do?we arrange ext.cooling fan but not much effect.we want reduce this temp. Inhouse without affecting much.cost. also don't want reWINDING OF MOTOR?

3 Answers  

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My meter ratio is -/5 and ct ratio is 100/5 now what will be the multiplying factor and how ?

1 Answers  

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what is meaning of sympathetic tripping with respect to relays and give the values for current carrying capacities for copper and aluminium cables from 16sq mm to 500sq mm

1 Answers  

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why the indian frequency is 50 hz & U.S.Frequency of 60 hz

3 Answers  

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WHAT IS THE DIFFERENCE BETWEEN AN ACB & mccb 7 WHAT IS THE CRITERIA WHEN TO USE WHICH OF THE TWO

0 Answers   Jk Tyres,

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how can we measure rotor current of a 3phase wound rotor induction motor connected to liquid resistance starter

1 Answers  

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1. what is the meaning of bus? 2. what is the dc transformer? How it work 3.what is the function of the serge absorber? 4.How the CT and PT rating calculate/

1 Answers  

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working principle of generators?

4 Answers   Adani, MahaGenco,

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