Which is remain unchanged in transformer action?

6 Answers   NTPC,

---

220/33kv voltage level having 60MVA rating , which transformer is preferred two winding or auto transformer. why, kindly provide your strong technical valuable views.

1 Answers  

---

what is residual current....

1 Answers  

---

What is the formula to calculate the rating of power cable for three phase current.

0 Answers  

---

ther is any difference if we use 240 V A.C,50 Hz,1 Ph. in place of 230 V A.C,50 Hz,1 Ph.

4 Answers  

---

I am getting above 60 V as open delta voltage against single phase unit ICT at tertiary delta formed and ICT getting trippped on NDR. ICT tested and found in order. PTs provided on tertiary are tested and in order. what may be the reason?

0 Answers  

---

what is function of pump in DG?

6 Answers   HP,

---

10 Mtr Hight of Lighting Arrestar how much area coverd??

0 Answers   OmniActive,

---

Can you used moeller lzm1 mccb in a dc system with 125vdc and 20ka short circuit current , beside is it have 24 or 48 volt shunt ? Beside how long current can through from An MCB shunt contacts? (like Z7-AS 24 V)?

0 Answers  

---

How many points can we have in AC Circuit? Show by giving suitable example?

3 Answers  

---

What are the application of filter?

0 Answers  

---

What is UJT PNP, NPN transistor & working principles?

1 Answers   TATA,

---