For backup batteries connection,which method is best? series or parallel ?  

Answers were Sorted based on User's Feedback



For backup batteries connection,which method is best? series or parallel ?  ..

Answer / kaushal

For battery backup,it is neccesary to connect battery in series.Because in case of series connection of batteries,
v=v1+v2+.....Vn while in case of parell connection 1/v=1/v1+1/v2+....+1/vn

Is This Answer Correct ?    13 Yes 3 No

For backup batteries connection,which method is best? series or parallel ?  ..

Answer / pundlik wanwe

Series combination is used for the batteries as to get the required voltage. Battery capacity (ampere-hour) shall be of same

Is This Answer Correct ?    5 Yes 2 No

For backup batteries connection,which method is best? series or parallel ?  ..

Answer / zilmil

parallel

Is This Answer Correct ?    1 Yes 6 No

Post New Answer

More Electrical Engineering Interview Questions

Write the formula for Fault MVA, Fault current, Base MVA.

2 Answers  


How many earthings are provided for a 250KVA distribution transformer?

9 Answers  


In a company has been installed an analog amperemeter, this company was suplied by generator X, there is no problem in the ampere meter, rigth now this company's supplied by generator Y then the pointer in amperemeter vibrating. What happened? Why? Thank's

2 Answers  


what happen if generator exitation lost?

7 Answers  


what sq.mm copper pvc wire need for ac load current 25amps for 230v ?

4 Answers   Khadamat, Siemens,






what is cascade speed control device?and how this device control the speed of motors?

0 Answers   ABB,


There are a Transformer and an induction machine. Those two have the same supply. For which device the load current will be maximum? And why?

4 Answers  


how much amps can i connect for 4core 120mm armade cable

2 Answers  


What is the impedence of Transformer?

2 Answers  


How to select the rating of the Transformer?

2 Answers  


i am an maintenance engineer. one distribution board have 5 feeder. recently its ELR trips frequently, but it take some times after trip( 10min,20min..)but 3 feeder no load. two feeder only loaded. i checked one feeder IR value all values are above 50Mohm.but B phase to Earth is only 9Mohm.any problem about low value

0 Answers  


sir i applied for hpcl(electrical).i want to know from which subjects most of the technical que will b asked.and pattern of the written test.pls help me

0 Answers   HPCL,


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)