any body know about lighting arrestor. how to determine the height of lighting rod from top of bulding and how many area it cover.

1 Answers  

---

one KVAR takes how much amps, and how to add power capacitors to electrical panels, for example if one of the MCC drawn 800amps means how much KVAR required

1 Answers  

---

As per standard, transformer body earthing and other Equipment earthing (Equipment earthing) did not connect. but in LT side termination we are doing metal glanding in both side Transformer to PCC Panel through armoured cable, now X'mer body earthing and PCC Pane earthing (Equipment earthing) both are connect.is this safe for X'mer or other equipment?

0 Answers  

---

Why AC loads wont used in DC input supply? and Why DC loads wont used in AC input supply?

3 Answers   Bhel,

---

What is George phenomena to start the synchronus machine?

0 Answers  

---

What is the function of an exciter in a generator?

3 Answers  

---

What is the power rate of power transformer?

1 Answers  

---

In the magnetic fluxes, what is the role of armature reaction?

0 Answers  

---

why dc is used in control circuit for mv & hv switchgear instead of ac

0 Answers  

---

When both contractor star & delta is hold in star delta motor ?? So what happen in this case ??

1 Answers  

---

I want to know that a 160kva diesel generator contains capacity of 160kva on each phase like R=160 Y=160 B=160 total RYB=480kva or it is total capacity of all there phases like RYB=160kva ... thanks in advance ...

2 Answers   jlpl, JP Saraswat Engineers,

---

WHAT IS THE DIFFERENCE BETWEEN RESISANTANCE AND IMPEDANCE IF IMPEDANCE IS MORE THAN RESISTANCE AT SAME VOLTAGE CAN WE HAVE RELATION DERIEVED BETWEEN THEM

4 Answers  

---