Answer / omar aziz

Resistive or high impedance earthing is classified as IT
system in IEC standards. It is employed where there is a
need to limit the earth fault current to minimium levels.

Primary this id the grounding techinique used in coal
minning where high earth fault currents can lead to
catastrophic fires.
I hope this helps. If yourequire further info there is a
good technical paper on schnider website,

sir iam a 3rd yr eee student.no core company comes for recruitment to our college.my aim is to be placed in l and t.tell me the procedures.

0 Answers  

---

How to check it good or bad capacitor

4 Answers   IMD, ST,

---

what difference between thermal and bi-metal over load relay?

2 Answers  

---

how we can do the insulation on secondary of ct explain and so that tan delta will within limit

0 Answers  

---

can any one help me for my ups inter view , list out few basic technical ups question with answer.

1 Answers  

---

---

What is Procedure the procedure to select CT's & PT's in 66kV and above substation?

3 Answers   Infotech, Vijai Electricals,

---

How to select the cable size for the given load ?Pls explain the Formulae

3 Answers  

---

Why there is a current in neutral line

3 Answers   Honeywell,

---

How to calculate capacitor bank size at a load 800kVA.

0 Answers  

---

What is PEC??Applications........

0 Answers   Emerson,

---

what would happen nif we increase or decrease the capacitor of a flood light.

1 Answers  

---

HOW GENERATING END VOLTAGE LEVEL (6.6 KV/ 10.5 KV/ 11 KV/ 13.5 KV) DECIDED IN POWER PLANT. ON WHAT FACTORS THE GENERATING END VOLTAGE DECIDED, & WHAT IS THE CALCULATION USED FOR THIS.

3 Answers   Areva, Cognizant,

---