Answer / vishal ingle

lighteining protection can be achieved by using lightening
arrestors at the highest points in an industry if its area
is less. but for larger area to be covered, several
lightening areestors are to be used. or
in the EHV substations, continuous earth wire mesh is
formed covering entire area.

Answer / prakash soni

1)Several lightining arrester is used at the top of towers
lightning mast ,& buildings.
2)shild or ground wires are used above transmission line.
Gound wires are also used above & throughout the sub
station .
3)40mm or 32mm Ms rod are placed to entire area of plant
with wealding joints.
All lighting arresters and ground wires are connected
through the MS gried.

why surge protectetor work explain with the help of circut diagram?

0 Answers  

---

What is the function of the exiter in DG.

3 Answers  

---

Hot Water System (HWS). Will a 30ma elcb have more nuisance tripping than 100ma elcb

1 Answers   CIMC,

---

Percentage losses in power generation?

0 Answers   Nespak, Trimax,

---

which frequency is to be selected for measuring earth resistivity

1 Answers   MSETCL Maharashtra State Electricity Transmission Co Ltd,

---

what is maxemo work permit procedure

0 Answers  

---

If 440 V supply has given at the secondary winding of transformer at that time if we apply 11 KV at primery then what will happen???????

4 Answers  

---

what is phase to phase fault? what is line to line fault?

2 Answers   Phoenix Technologies,

---

Good morning: I'm looking for some informations about the OLTC or the LTC: I wont to know what the function of the tie-resistor in during the operation of reversing/coarse operation Cordially

0 Answers   CMERI,

---

why connecting surge unit in contactor coil

0 Answers  

---

how do we connect mcb in our home?and how does it work?

3 Answers   IOCL,

---

what is an impedance & inductance ?

4 Answers  

---