Answer / ali akbar

Inverter is elecronics device, which is converted dc power
in to ac power .

Answer / ram

An inverter is an electronic device which invert A.C to D.C
to charge the battery while the mains is ON,while mains is
not available the inverter convert the D.C to A.C which
stored in battery.

In power generator sets, when they are coverted from 50hz to 60hz, the kva rating after conversion increases. For example, the manufacturer of a perkins 200kva @ 50Hz generator set has mentioned it to become 220kva after converstion to 60hz. What is the relation between the frequency & the KVA rating. Any formula please.

3 Answers  

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what is earth pit , how we can measured it, what earth rods reference

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Why grables are put in substation?

1 Answers  

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When charging a 20 MVA , 33kV/6.6kV transformer through regulated (0-6.6 kV or 0-33 kV) source on no load , what will be the maximum current drawn by transformer from source and what sould be the source capacity.

5 Answers   TATA,

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what is the current density of copper & alluminium.

0 Answers  

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what is the carona effects meaning in HT line transmmission system

0 Answers  

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what is mean by current

17 Answers   Wipro,

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what the reson to use phase shift( angle) like (dyn11,Dd5 or Dy0)are usedin power and transsmison line

1 Answers  

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What is the suitable rating of MCB for 1.5 Ton A.C and why? 1Ton= how many amperes?

5 Answers   BARC,

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Keywords: Die, Card, Coin, B/N 2 To 12

0 Answers   TCS,

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why so maney smaller size capacitor use instead of single Big size capacitor in apfc panel

1 Answers  

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What is the power ratio between power in Star and Delta circuit?

11 Answers   ST Micro,

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