Answer / srinu

automatic rescue device,,it is works with battery ,save the peoples in emargency

How to test and satisfy the conditions of the vector group YNd1 for power transformer?

1 Answers   Areva,

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What is MPCB, MCCB, ELCB, RCCB ? Explain them ?

2 Answers  

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what is the current rating of 2500 KVA,33KV/433v transformer on secondary(LT) side

9 Answers   Reddy Labs, Vitrum Glass,

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How to dimensioning SDCCH, LAPD and CS7 signaling on GSM?

1 Answers  

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Why temperature rise test is conducted in bus bars and Isolators?

5 Answers   Areva,

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difference b/w timer and counter

1 Answers  

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Why Diffrential and Ref relays are used together although Diffrential relay can protect Pri and Sec of Transformer

1 Answers   Qatar Gas,

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my self i am raghu working as tech.. in my college the maximum demand is 211 kva presently we are using 12kva capacitors the target power factor is .95 so what capacity of capacitor banks should i install

2 Answers  

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what is use of reactive power in ac ckt.

2 Answers  

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What is Energy Audit..?

2 Answers  

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working principle of current sensing relay? how its work?

1 Answers  

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In alternator generally we give DC voltage to field of alternator but field (excitor)produce Ac & converts into DC by rotating rectifier(RR ) then fed to rotor .my question is why we cannot give dc voltage directly to rotor instead of Excitor & RR ?

1 Answers  

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