Answer / ashish gupta

All dielectric are insulators.But all insulators are not dielctric.Becoz dielectric material is used to store electrical energy where as insulators can't.

Answer / mostafaghodrat

As insulation between the energized equipment
Is isolated and not connected to any equipment live even
with insulation

What it the purpose of parallel phasing transfomers??

4 Answers   ABB, Reliance,

---

1. What is maximum permissible distance between smoke detectors ? 2. How do we decide number of smoke detectors required in a large office, warehouse, hall etc ? 3. What should be maximum height of smoke detectors ? 4. Where do we use heat detector, optical smoke detector, temperature sensitive detector ?

0 Answers  

---

why transformer comes only in standard rating like 11kv,33kv,66kv....and not like 33.33kv and so on?

3 Answers  

---

How can we reduce the reactive power consumption of your 12.5 MVA power transformer.

4 Answers  

---

What is the difference between circuit breaker and isolator

0 Answers  

---

How to find earthfault location in long cable layed underground or outside.

3 Answers  

---

In separately excited m/c,we excite the field by a dc source,what not with ac source?

1 Answers  

---

in which material resister are made?

1 Answers  

---

List examples of current sources?

0 Answers  

---

Is there any rule to select the voltage of motor based on KW rating? What is the rating above which lt motor becomes the HT motor?.

0 Answers   DAE,

---

why did the BDV test in transformer?

2 Answers   Jindal Steel and Power,

---

What is the relationship between voltage,current & frequency?

0 Answers  

---