What is “pu” in ee?

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why we are using earth pit in sub stations.?

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The power supplied to a 50mH inductor from a 120V, 60Hz source will be

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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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In secondary transmission i.e., in distribution side, supply for homes are connected through different phases in order to balance the 3 phase load. But in practical we saw nearby house doesn't have power due to single phasing. But other two phases give supply. How it's possible? it doesn't make "single phasing"?

1 Answers  

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i want to know about for what reason we are using star delta starter? how it works? what are the advantages?

4 Answers  

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how to calculate the power loss of cable?

1 Answers  

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What are HT & LT Cables? What are their values?

3 Answers   IOCL,

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Ferranti Effect says that voltage at the receiving end is higher than that at the sending end. How is it possible?

4 Answers  

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whydoes the p.f of diesel generator always be 0.8 explain how will you determine the shortcircuit capacity of network

1 Answers   Dalkia,

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What will be electrical cost per sqft for IT building (basebuild and fitout)and for residential township?

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How Can we calculate the rating of a cable?Show the formula?

2 Answers   Jindal,

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