if you short the any 2phase(R,Y,B),why fuse get blown?

Answer Posted / shakir

when we short two phases the resistance between them is 0 and
current goes to infinity (I=V/R). such an infinite current
when pass through a fuse,the fuse gets blown.

Is This Answer Correct ?    7 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

can we use ZNyn11 transformer instead of Dyn11 transformer in distribution for effectively eliminating harmonics from the industrial loads.

4476


what is the minimum requirement gigaohms for the insulation test using 5kv in 300mm xlpe cable

1537


Sir, plz tell me how droop setting is done in parellel operation od DG set ? please give practical example ?

1692


What is A check, B check, C Check & D check for a diesel Generat

1588


in a simple IDMT relay we use neutral point of ct for earth fault then what is the requirement of neutral ct and cbct?

1688






Why the efficiency of a three-phase induction is the motor is less than that of a three-phase transformer?

728


Difference between a pilot wire and a normal conductor?

1593


it is possible to rotate the DG engine dc starter with wrong polarity connections? why?

1750


how to select the double earth conductor if 21A full load?

1576


Testing report of Earthing of 3.15 MVa PTR.

2141


how to calculate fault level?

1680


WHAT IS MEANT BY OVER EXCITATION IN GENERATOR TRANSFORMERS? DESCRIBE IT.

2182


What are the functions of temperature scanner in power transformer?

1642


how to calculate fuse rating for a motor

4901


how can service sitting be setted for MCCB?Example for sittings IR (CURRENT RATING),IS(CURRENT STARTING)IO (current operating

1932