why cable i burning without tripping. how can protect led street lights

0 Answers   Cosma,

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what are the uses and applications of rectifiers?

3 Answers  

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What is DTR erection?

0 Answers  

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Are generator action and motor action relates to a particular machine only?

2 Answers  

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what is the difference between thyristor & IGBT?

2 Answers  

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What Should be the value of Vector Surge angle at Tripping and how to calculate it?

0 Answers  

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If we feed 230V ac supply to a full wave rectifare, what & how much will be the out put voltage?

3 Answers  

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how do you measure earth leakages in 3phase wires?

2 Answers  

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how air lock will be removed from generators, how it happens?

1 Answers   ABC Engineering,

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1.what is the difference between transformer differential and busbar differential.2)why we are using 2 slope for trafo diif and 1 slope for busbar diff.3)what is the purpose of metrosil and stabilizing resistor in high impedance relay circuit.4)how metrosil reduce the peak volage.5)what is the funtion of stabilizing resistor

0 Answers  

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what is ignition?

1 Answers  

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why are we adopting 132kv,220kv for transmission rather than using 440kv at all transmission lines as it gives lower losses?

2 Answers   APGenco,

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