how we can select MCB ratings according to Voltages, Curves.

2 Answers  

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why two fuses are used in battery charging room?one in positive line and the other in negative line?do any DC system require two fuses?

1 Answers   HPCL,

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How do i carry out or know the vector group of a Dyn1 and Dyn5 transformer

0 Answers  

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I've descovered that when the earth wire in a domestic electrical installation is not connected back to the board (ground) a voltage of between 9-24v is is found to be present in the earth wire. When connected at the board there is no voltage - is this normal and why does it happen?

3 Answers  

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When MICC cables used ?

0 Answers   Clinga,

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and gate circuit diagram,amplifier circuit diagram

0 Answers   NHPC,

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what is the minimum pay scale for electrical engineer (building construction)in kuwait? plz revert back with yrs of experience & pay scale respectively.

0 Answers  

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what is the ideal earth resistance

11 Answers   Amit Enterprises, Enercon,

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In legging current reactive power is arise but in leading current which power will be arise ? and in this case, is active power more than rated ?

3 Answers  

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Upload data by LSMW via BAPI in SAP system.

1 Answers  

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We have a bank capacitor rating of 60 KVAR for a overall load of 160 KVA and we have connected three loads of 50KVA each. We would like to auto matically correct PF using APFC. How do we design it?

2 Answers  

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What is the range of efficiency of thermal or steam power plants? Why it is so low?

2 Answers  

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