why the air gap is necessary in the transformer core

1 Answers   Eskom,

---

at which voltage level arcing ground is occurs ??????????

0 Answers   TATA,

---

1.What is the proper definition of power system stability? 2.some times a blue spark is visible in the secondary side of a distribution transformer at the contact position of bushings and fuse wire,why?

1 Answers  

---

DGs fuel and lube oil filters are not equal to one another.Why it is so.For example one MTU enginee fuel filter is one and lube oil filter-02nos other DGs are more.Please explain

1 Answers  

---

Why the capcitor to be discharged after put in to operation & why not inductor though the both elements stores energy?

3 Answers  

---

---

what is the major difference between LIBBP & HIBBP.. which one is most preferable..

0 Answers   ABB,

---

How to differentiate 220 Kv & 132 Kv line transmission tower if there are no specifications given on towers?

3 Answers   Karam, Power Grid,

---

what are the dimensions for 200 kva transformer plinth (plateform),in which pcc m20 is used..

1 Answers   UPPCL,

---

WHAT IS THE SPECIFICATIONS CONSIDERED DURING DESIGN FOR THE OVER CURRENT RELAY?

3 Answers  

---

in Megger what type of voltage(AC or DC) are produce.how they work.

1 Answers  

---

what is wave trap? And how it works?

3 Answers  

---

what are the protection components on HT Side and LT side?

2 Answers  

---