why different series of vfds (like allenbradley)are used in industry ?

0 Answers  

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what is the differance between normal bybass & maintenance bybass in UPS?

1 Answers  

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What is Grounding? any difference b\w earthing? if yes plz explan??

3 Answers   ABB,

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why we are testing cables with DC supply not with AC supply?

9 Answers   Aurobindo, DEWA, L&T,

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In ACS 1000 drive we are using 12 pulse converter,why don't use 3 pulse converter.

0 Answers  

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in star connected 4wired transmission system ,what happen if the neutral is grounded . or not grounded. which is significant and y

2 Answers  

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in flemings lefthand rule thumb indicate for....

2 Answers   APPSC,

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why do we use 3 single phase instead of one 3 phase?? though vee connection is its advantage but what is the hidden reason behind it??

2 Answers  

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which supply is used in traction system

3 Answers  

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we can use airconditioner for cooling the winding of transformer ,if not why?

3 Answers  

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What happen if two protection core (3p) of VT in LAVT are 11kv/root3, 110v/root3 and one protection core (3p) is 11kv/root3, 110v/3

1 Answers  

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why a tester wont shock while testing the power in house

0 Answers   Tessolve,

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