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

Answer / pundlik wanwe

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

Answer / zilmil

parallel

Which ciass CT can be use in diff. protection. Can be use 5p20?

5 Answers  

---

What are the types of class b amplifier?

0 Answers  

---

Hi,, Just I want ask, if the power factor decrease what happen in voltage regulation? Thanks..

1 Answers  

---

why humming sound occured in h HT transmission line

3 Answers  

---

i have completed deee and i've (June2012-feb 2015 experience in electrical maintenance in pvt ltd company.company having HT & LT electrical power.how to apply electrical C-license ,NOW I was resigned my job,what are requirements of applying for c-license

0 Answers  

---

Is a d.c.compound motor is use as a booster? how?

0 Answers  

---

How to calculate the NGR value for a 2.7MVA Transfomer, 11KV system where the fault current has to be limited to 50A?

1 Answers   Sterling Wilson,

---

what is the difference between earth and neutral.

9 Answers   DLF,

---

have u any web site who can give all electrical sum's to solve counting easy like how to convert 1kw=?Kva.

1 Answers   Marriott,

---

what is use of starter motor in DG ?

2 Answers  

---

What Is Transformer Impedance ?

6 Answers   Con Edison,

---

what happen if i connect DYn11 and DYn1 vector group transformer in parrallel?other things are same like votage ration,x/r ratiob etc...

4 Answers  

---