Answer / k.p.sharma

The Earthing Value as per the standard for Raw
power and UPS Pit SHOULD BE LESS THAN 2 OHM and in
panel /DB N-E value SHOULD NOT BE MORE THAN 5 VOLT.

Answer / rathod manhar

For raw power and UPS pit the earth resistance value is
around 1 ohms and N-E value is 1-0.5 ohmsfor good earthing.

which element is neglected during fault calculation? a)resistance b)inductance c)capacitance d)reactance

4 Answers  

---

Why does the adjacent zone of protection overlap?

0 Answers  

---

How does HT work & Voltage required?

0 Answers   Adhunik,

---

why inductivedrop in dc motor neglected

2 Answers  

---

The power consumption, in case of centrifugal loads (like pump, fan, blower etc.), proportional to ____.

2 Answers   BSNL, NTPC,

---

We all have seen transmission and Distribution lines In transmission lines the voltage is high and current is low(to reduce I^2r loss) and in distribution lines voltage is low but current is high however the size of transmission wires is bigger than that of distribution wires even though the amount of current carried by the distribution lines is more than that of transmission lines why?

4 Answers  

---

why odd hormonics only will effect the power system.why not even hormonics

1 Answers  

---

why low pressure side of the turbine is connected to the alternator and not the high pressure side??

1 Answers  

---

Why the resistance grounding (NGR) is better than Solid grounding?

5 Answers  

---

nwhat are the main Components of servo motor?

0 Answers   BARC,

---

Why we should not parallel the with EB

1 Answers  

---

brief notes on ammeters

0 Answers  

---