Answer / er. ankush miglani 9718151073

IF WE CONNECT THE +VE POLARITY TO THE EARTH AND -VE TO THE
EQUIPMENT THE VOLTGE IS CALLED -VE DC VOLTAGE.
THE POSITIVE POLARITY ACQUIERS THE CORROSION VERY QUICKLY
AND TO MAINTAIN THE VOTAGE OF THE DEVICE UNDER
SPECIFICATIONS IT IS DONE.

Answer / sadat khan

we use -48voltd.c instead 0f +48voltd.c because all
problems like fluctuvation,surges all occur in possitive
wire not in negative wire.

why transmition and distribution and genaration of voltage in multible of 11 means 220v,440v,11kv,22kv,,,...so on

3 Answers  

---

how i chosse capacitor bank if my energy meter is 48 kvr? tell me capacitor bank chossen formula?

1 Answers   ACC, Bhel,

---

Describe: Energy efficient motors

1 Answers   Reliance,

---

what is the meaning of 1250 KVA Trasformer

2 Answers  

---

Which motor is 3.3 or 11kV more reliable, in terms of efficeancy,maintenance, reliability.

0 Answers   Megatron Solutions, TCL,

---

why maintain the Dg PF is 0.8? Explain?

4 Answers  

---

which part of transformer heats up the most and why? windings, core or oil .

3 Answers   Lafarge,

---

What's the difference between non break power supply and non break non short break power supply

0 Answers  

---

Draw the circuit of clapp oscillator?

0 Answers  

---

How can i run three phase bore well motor in 2 phase while i running it by using capacitor its ams increase to 23 ams the distance from motor to stater is 1600 feet

0 Answers   Private,

---

What is the use of IGBT in UPS & its working??????????

5 Answers   Reliance,

---

What is the purpose of reactor.why we used in over head line?

2 Answers  

---