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ACB is mainly used at LT sides for the protection of whole distribution system for the desired area supply it trips at the moment of over load or any internal short ckt in the breaker.where as MCCB is advanced version of MCB which is used for particular equipment or some groups of single phase load which trips only due to over load current.

what is p.s impedance measurement test in earthing transformer?

0 Answers   Greenko,

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Hai I have 2500KVA,Transformer,13.8KV/380.DELTA/STAR.How much load that I can take interms of current?How can I calculate also when I have loads in KW?

10 Answers   L&T,

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why we use star and delta connection?why we donot give the supply directly?

12 Answers   Hitech, Siemens, Tata Steel Limited,

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what is gas turbine intercooling ?

0 Answers  

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during positive and negative half cycle of ac supply what happenes in the load?

1 Answers   Siemens, Wipro,

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why most of the modern day type electrical appliance have 2 pins rather than 3 pins?

4 Answers  

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description with working of all parts of a Diesel generator???????

0 Answers   DELL,

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If we connect capacitor in series DC supply so what happened?

4 Answers  

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In order that work may be done:(a) Two wires are necessary(b) The circuit must have a switch(c) Coal must be burnt(d) A supply of energy is required

1 Answers  

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I WANT TO INSTALL LIGHTING ARRESTOR ABOVE 20 FEET HEIGHT INDUSTRIAL BUILDING. NOW IT WAS 15 FEET HEIGHT HOW MUCH DISTANCE IT WILL COVER & HOW TO CALCULAT THE DISTANCE COVER BY THE ARRESTOR

0 Answers  

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how to decide the load on secondary of the tranformer

1 Answers   DLF,

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what is power factor?

7 Answers   CA,

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