Answer / mrudang

when current flows any equipment , after flowing the
current , because of electromagnetic effect there is some
small current will be there , its called residual current

why name plate detail HP/KW rating of a motor is different from measured value HP/KW using formula?

1 Answers   MAHINDRA,

---

Why DC Currents are not used in transformer?

4 Answers  

---

HOW TO DRAW THE VECTOR DIAGRAMS OF A Dyn 11,YdN 1 transformers?

0 Answers  

---

difference between the earthing,grounding and neutral

1 Answers   DLF, L&T,

---

What is Gnat,Ant,Rabbit &Dog overhead conductor? Please explain.

1 Answers  

---

what is the different between second harmonics and third harmonics ?

1 Answers  

---

what will happen if i connect or change line with phase terminal

1 Answers  

---

what is mean by transition resistance of transformer?

0 Answers  

---

Why is shaft current insulation required on large motors & when should it be checked i.e. before or after assembly?

2 Answers   Aramco,

---

What is multiplying factor of meter if the meter ctr and ptr is open type?

1 Answers  

---

WHTA IS LIMT OF LEAKGE CURRENT OF 11 KV 1 CORE 1000SQ.MM. XLPE CABLE.LOAD ON CABLE IS AROUND 600AMP .LENGTH 500 MTRS.

0 Answers   L&T,

---

what is the formula for backup time of online ups?

1 Answers  

---