what is the difference betn earthed and unearthed cables which is commanly used why?

2 Answers   Bhel, Power Grid,

---

what are the different types of bus bar used at electrical work at shelter

3 Answers   Aster Teleservices, Costco,

---

why we step up voltage for reducing the loss, even if voltage and current are proportional anr resistance remains same

12 Answers   Sarhad University,

---

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

4 Answers  

---

how and where does star and delta connection is used ?

2 Answers  

---

What is instrumental error?

0 Answers  

---

why reactive power control is required

5 Answers  

---

how DC motor operating in detail .pls any one guide me .iam not clear idea about that .thank u

2 Answers  

---

On PVC conduit the class "A" "B" or "C" is marked what does it shows. Either its thickness or its composition?

2 Answers  

---

what is REF relay?

1 Answers  

---

What is VVVF Drive ?

3 Answers  

---

I want to know that a 160kva diesel generator contains capacity of 160kva on each phase like R=160 Y=160 B=160 total RYB=480kva or it is total capacity of all there phases like RYB=160kva ... thanks in advance ...

2 Answers   jlpl, JP Saraswat Engineers,

---