can we use ps class in combination with protection class in differential protection and over current protection.

1 Answers  

---

Is it possible to import & export power through the same power transformer? what will be the vector group normally for both different or same?

1 Answers  

---

Now I inject 1kv DC supply r&y=??? R&Y=?? Y&B=?? B&R=???? RYB&N=??? RYBN&E=????? Minimum value====???????

1 Answers   Integra,

---

what is the difference between E.L.C.B & R.C.C.B?

2 Answers  

---

using n1*n2 which type transformer is made; where n1 is primary turn and n2 is secondery turn

1 Answers   JSW,

---

---

What is the formulae of Megger value for a A.C.Motor

0 Answers  

---

What is a pulse transformer?? Can it be called as a dc transformer??

1 Answers  

---

What is the value of nuetral current in star connected load when DC is supplied to it???

1 Answers  

---

For a spring controlled governer the relation F = ar+b (F is the controlling force, r is the radius of rotation a and b are constants), indicates that the governer is

0 Answers   Caterpillar,

---

What is differance between Slip ring motor and Squirrel cage Motor ?

2 Answers  

---

what is advantage in open delta connection?

20 Answers  

---

WHAT DO YOU MEAN THE DIFFERENT TYPE OF CURVES OF RELAY LIKE STANDARD INVERSE, VARY INVERSE, NORMAL INVERSE, LONG INVERSE ETC....

0 Answers  

---