Answer / s m

By making grid of individual pits all the Individual pits
are connected parallel to each other . This reduces the
Equivalent Resistance to less than 1 . Generally in 0.1 ohm
or 0.2 Ohm range only. So this is done to improve the
effectiveness of the Earthing system.

Answer / prasad

simple answer machine safety as well as man human safety....

Answer / deepak24

Grid earthing is the interconnection of all the equipments or machines in industry and earth wells by earth wires which protect the all system by any leakage of current. Also it protects from humen danger.

Answer / antarjyami behera

For protect switch gear equipment of grid .

how to calculate the neautral earthing conductor size for a 500kva dg set.

2 Answers  

---

Is there any design in the world a 220 KV transformer without breather …??????

2 Answers  

---

What is meant by operating sequence of VCB : 0–0.3sec.–CO– 3min.-CO

2 Answers  

---

What is the similarity and what is the difference between relays and PLC?

3 Answers   NTPC,

---

Why armour HT XLPE power cable required to Earth?

1 Answers  

---

---

how we select ac fuse rating of an power inverter???

0 Answers   Simco,

---

Comparing to AC transmission, corona & R in DC transmission is……. a) lower b) higher c) same

3 Answers  

---

how to measure winding resistance of single phase motor?

1 Answers   Adani, Dodsal,

---

when generator of a power plant is not connected to grid , by increasing the mechanical torque speed of rotor increases but when it's connected to load instead of increase in speed current increases , why?

1 Answers  

---

difference between the earthing,grounding and neutral

1 Answers   DLF, L&T,

---

how one can check the Current of a DC 12 V battery ? Procedure. I told that take a thick wire (having more wires in it) and then join the + and - terminals of battery with the help of two ends of a thick wire .... is this correct or wrong .....

1 Answers  

---

why transformer rating in KVA ?

8 Answers   Bhel, TATA, Voltage,

---