Answer / joseph vennel

There is no minimum value for BDV of a transformer oil. BDV of the oil represents the insulation level of the medium, in this case oil. More the BDV value the better. New Transformer oil has a typical BDV of 60 kV/mm.

Answer / arun.r

bdv value depend upon voltage ratting


call 7389944985

Can 33kva/415v transformer be run underground? If the answer is yes why and if the answer is no why?

0 Answers   4T Technologies,

---

Dear all i want to know SEWA Electrical Supervisor Licence test Previous Year Questions ? If any body know please send to me zohairaukllah@yahoo.com

0 Answers  

---

If we have a 2000kva load,How much kvar capacitors we go to add to improve the power factor at 0.9?pls give the calculation and fully theory?

2 Answers   ABB, Unitech,

---

How to size fuse? How to size MCB?

0 Answers  

---

why all selected supply voltages are multiple of 11.i.e440,11 kv,33 kv,66 kv,110 kv etc

6 Answers   Suzlon, TCS,

---

In 3 phase induction motor even with low Voltage it reaches nearly it's rated speed why? (for example instead of 400V it reaches with 250V)

2 Answers  

---

why a tester wont shock while testing the power in house

0 Answers   Tessolve,

---

Do you know how to connect a motor of different H.Ps?

5 Answers  

---

If SFU is Switch Fuse Unit, What is the expansion for FSHF in Electrical Engineering?

0 Answers  

---

How do we calculate tranmission line losses of a 132 KV tranmsission line. Please give some quick tips?

2 Answers  

---

Why in Hv transmission line as we see there are generally 6 or more than 4 conductor wires are used instead of 4 i.e. 3 for phase and 1 for neutral wire?????

2 Answers  

---

Why the ceiling fan has three blades, why not two,four or five?

4 Answers  

---