when we given 3 phase supply to ups system, but out put
comes with 3 phase + neutral how it possible? pls explain.

Answers were Sorted based on User's Feedback



when we given 3 phase supply to ups system, but out put comes with 3 phase + neutral how it possib..

Answer / vinaysuper2000

UPS Incoming supply Delta connection & Out put supply star
connection.

Is This Answer Correct ?    9 Yes 1 No

when we given 3 phase supply to ups system, but out put comes with 3 phase + neutral how it possib..

Answer / logesh kumar.a

the input given system has star connection .so it has 3
phase & a neutral

Is This Answer Correct ?    10 Yes 5 No

when we given 3 phase supply to ups system, but out put comes with 3 phase + neutral how it possib..

Answer / anusree

ups system is a delta star connection , secondary side
grounded in order to allow the flow of zero sequence
currents

Is This Answer Correct ?    6 Yes 1 No

Post New Answer

More Electrical Engineering Interview Questions

I have a transformer whose primary operates at 230V, 50Hz for which the secondary voltage will be 12V, 50Hz. What will be the secondary voltage if the primary is fed with 400V, 8KHZ Signal?

6 Answers   ABB,


As we know multiplicity factor derivation equation is as below MF = main c t ratio / main p t ratio * meter c t ratio / meter p t ratio * meter dial constant Where in digital meters for HT kwh import export now a days meter constant are calibrated already which is 1 So my question is For HT 11kv 110 v line values are as below Main c t and p t ratio are 11000 v and 110 v and 20/5 means 20 amp and 5 amp Now meter values are 11000/√3/110√3 and primary and secondary amp are displayed as -/5 amp on kwh meter so what will be the MF for this meter ?

1 Answers   NEPC,


a governer in an Ic engine controls the

0 Answers   Caterpillar,


In winter we seem lightly an electric shock when we touch to doors(sometime)

13 Answers   Infosys, REL,


Advantages of using bundled conductors ?

3 Answers  






Difference between KW & kVA

7 Answers  


What is the fuction of UV & how it works in circut breakers? is it one type of relay?

4 Answers  


29 Which of the following breaking method save energy? A regenerative breaking B plugging C dynamic breaking D none of above

1 Answers  


How can I calculate the require lumen of a room. If I use Tube Light (40 W), Or 100 W incandescent lamp. Please give detail answer.

1 Answers  


why is a power transformer used only occasionally?it is used to step up at generating stations?and that needs to be done all day long !!!!!!!

0 Answers  


1.wat is the advantage of induction motor? 2.wat is diffrence between 1-phase and 3-phase induction motor?

2 Answers  


What is NGR . What is the purpose of 10 sec ,60 sec rating of NGR.

0 Answers   KOTC,


Categories
  • Civil Engineering Interview Questions Civil Engineering (5085)
  • Mechanical Engineering Interview Questions Mechanical Engineering (4451)
  • Electrical Engineering Interview Questions Electrical Engineering (16632)
  • Electronics Communications Interview Questions Electronics Communications (3918)
  • Chemical Engineering Interview Questions Chemical Engineering (1095)
  • Aeronautical Engineering Interview Questions Aeronautical Engineering (239)
  • Bio Engineering Interview Questions Bio Engineering (96)
  • Metallurgy Interview Questions Metallurgy (361)
  • Industrial Engineering Interview Questions Industrial Engineering (259)
  • Instrumentation Interview Questions Instrumentation (3014)
  • Automobile Engineering Interview Questions Automobile Engineering (332)
  • Mechatronics Engineering Interview Questions Mechatronics Engineering (97)
  • Marine Engineering Interview Questions Marine Engineering (124)
  • Power Plant Engineering Interview Questions Power Plant Engineering (172)
  • Textile Engineering Interview Questions Textile Engineering (575)
  • Production Engineering Interview Questions Production Engineering (25)
  • Satellite Systems Engineering Interview Questions Satellite Systems Engineering (106)
  • Engineering AllOther Interview Questions Engineering AllOther (1379)