why the making current is more than then the breaking current and if its true then its about a controling circuit or breaker power contact points

0 Answers  

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why do we earth the tandelta point of a power transformer bushing?

1 Answers  

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How to select the cable size for the given load ?Pls explain the Formulae

3 Answers  

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What is the difference between KW & KVA ?

10 Answers  

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If Earthing is poor in a DB of of Residential Building, will residents feel a leakage voltage in a Electrical Ssytem? is this statement true?

1 Answers   Dolphin International,

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What is making & breaking current ???

0 Answers   JLL,

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why we use mostly 3-phase but not 4-phase and 5-phase what is the difference between them

1 Answers  

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what happens to the supply voltage if there is any change in frequency?

1 Answers   Gridco,

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In VVVF drive voltage is varying in accordance with frequency.My question here is How much will be the voltage in the inverter side if the frquency is set for 10Hz ?

1 Answers  

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what is meant by switch fuse unit ?

3 Answers   Thermal Powertech Corporation India Ltd TPCIL,

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describe the phenomena of vacuum interruption in C.B

0 Answers  

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Mention how NPN and PNP transistor works?

0 Answers  

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